Smart Energy Sept 2016

SmartEnergy Sept 2016

Volume III, Issue V

Pages 72

`200

ISSN 2348-5027

Complete Renewable Energy Intelligence

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STALWARTS OF THE INDIAN SOLAR SECTOR AN INSIGHT ON THE 5 COMPANIES CONTRIBUTING TO THE GROWTH OF SOLAR SECTOR IN INDIA

Optimize Output and Profitability of a Solar Plant p64

Solar Energy Measurement and Management Techniques p34 Microcell Carbon Foam Batteries for PV Applications p36

PRODUCT UPDATES GERBER, SMA, TELAWNE, ELECTROTHERM, SOLAYTEC

Effective use of SCADA System in Solar Plants p60

unik power LIGHT YOUR LIFE

SmartEnergy Complete Renewable Energy Intelligence

Editor Santosh Khadtare santosh@supersmartenergy.com

Associate Editor Anisha Ganguli EDITORIAL ADVISER Pragya Sharma Editorial Co-ordinator Varsha

Graphic Designer D. Vaidya Advertising & Marketing Head- Marketing & Business Development Sapna K sapna.smartenergy@gmail.com

Chief Executive Officer Rahul Raj Chandra Support Team Sunil Pawar Bharti Shetty

Disclaimer All efforts have been made to ensure the accuracy and information in this magazine, opinions expressed are those of the authors and do not neccessarily reflect the vies of the owner/ publisher and the editorial team. Genesis Info-Media shall not be liable for any consequences in the event such claims are found- not to be true

Editor's Note Dear Readers, I am pleased to introduce to you the new issue of Smart Energy Magazine (Vol III/ Issue V). We have been bringing to you topics covering different aspects of the solar and wind industry in India, enriching your knowledge and giving you fresh perspectives on policies, technology developments, new applications, and national and international scenarios.

The 10th edition of the flagship events of the renewable energy industry, the Renewable Energy India Expo (REI) is going to take place from 7th to 9th Sept 2016 at the India Expo Centre, G. Noida.

REI has emerged as a global platform where India's green economy community including overseas participants congregates to discuss industry trends, challenges and market insights including the Indian regulatory framework. On this special affair we bring to you a special feature on the 5 renewable energy companies that are contributing to the growth of the solar sector in India. These visionary companies have set on a path and have achieved success. These are the great stories waiting to be told. They will definitely inspire others who are considering, or are already on, a similar journey.

In addition, this issue of Smart Energy has some interesting articles, case studies, interviews of the key industry leaders and updates from the industry. I am sure you will find this issue interesting, relevant, and informative as always. I also look forward to your valuable contribution in the magazine - in the form of comments, suggestions, and articles, which will help us improve the quality of the magazine even further.

Don’t forget to visit us at L24, Hall No 11 at Renewable Energy Expo. If you are not able to make it to the expo don’t worry we will be bringing to you to the highlights of this mega event in the next issue of Smarty Energy Magazine.

Santosh K Editor Santosh@supersmartenergy.com

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Printed, published and edited by Santosh Khadtare on behalf of Genesis Info-Media, published at 509, pushp plaza, above snehanjali shworoom, manvelpada road, Virar Dist Thane and printed at M B Graphics, B 28, 3rd Floor Shri Ram Industrial Estate,Wadala West, Mumbai.

4 SmartEnergy Sept 2016

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Content

SmartEnergy 42

30 INTERVIEW Sanjay Deshmukh CEO, Pearl Energy Solutions (India) Pvt Ltd

STALWARTS OF THE INDIAN SOLAR SECTOR AN INSIGHT ON THE 5 COMPANIES CONTRIBUTING TO THE GROWTH OF SOLAR SECTOR IN INDIA

58 INTERVIEW Siva Rama Chandra

Cover Story Stalwarts of the Indian Solar Sector: An Insight on the 5 companies contributing to the growth of solar sector in India

26 VIEW POINT Solar Rooftop: A 40GW Challenge

Chairman, Vajra Power Conversions Limited

54 IN FOCUS Get More from Your Wind Turbines: Wind turbine retrofit solutions by DEIF

Authored By: KRYFS

34 TECHNOLOGY UPDATE Solar Energy Measurement and Management Techniques Authored By: Prashant Thakkar

36 ENERGY STORAGE Microcell Carbon Foam Batteries for PV Applications

40 ENERGY STORAGE Kempegowda International Airport, First Airport in Karnataka to go solar

60 SPOT LIGHT Effective use of SCADA System in Solar Plants Authored By: Milind Upadhye

64 Solar pv Optimize Output and Profitability of a Solar Plant

REGULARS 08. News Updates 20. Product Updates 67. Tenders 68. Events Watch 70. Advertisers Index

Case Discussed by Cleanmax Solar

6 SmartEnergy Sept 2016

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News Updates Tata Power Solar commissions India’s largest solar project under DCR for NTPC Tata Power Solar, India’s largest integrated solar company, has successfully commissioned a 100 MW solar project for NTPC in Anantapur, Andhra Pradesh.

Aligning with the Government’s ‘Make in India’ mission, this is the biggest solar project commissioned using domestically manufactured solar cells and modules.

The plant is expected to generate nearly 160 million units (kWh) of energy per year and help offset

approximately 110,000 tonnes of CO2 in the first year.

Tata Power Solar delivered the project in record 80% of stipulated timelines, and nearly 3 months ahead of the stringent schedule. Key highlights of the project were the innovative design of Balance-of-System (BoS) and cabling, along with optimized selection of evacuation systems. Built over a 500 acre site, the land contained

natural streams and hillocks which were untouched by the plant to maintain the natural ecosystem. World-class safety being the company’s strength, Tata Power Solar delivered the plant with a robust safety management system and 1.3 million safe man hours put in. Apart from a highly experienced team at Tata Power Solar, more than 50 local people were provided employment at the site ■

Speaking on the project, Ashish Khanna, ED & CEO, Tata Power Solar, said “Today, pace of delivery and quality have become crucial benchmarks in the industry and we are especially proud to have delivered a project of this scale in record time. By bringing together our core strengths in domestic manufacturing and EPC services over the last 25 years, this 100 MW plant is the largest project commissioned by us to date. We hope to continue to build on our capabilities and deliver over expectations to proficient customers like NTPC.”

SunLink and Ganges Internationale Targets 1.4GW of solar in next five years in India SunLink Corporation and Ganges Internationale Private Limited have entered into a joint venture to accelerate solar deployment in the rapidly growing Indian market. As part of a SunLink White House commitment announced last month to deploy 1.4GW of solar in India over the next five years, SunLink has partnered with Ganges Internationale to support the country’s 175GW renewable energy goal.

Under the agreement, Ganges Internationale will manufacture, install and provide O&M support for SunLink TechTrack singleaxis trackers in India. SunLink will provide not only its proven technology but also PowerCare engineering services and VERTEX software platform to Ganges and its customers.

“India Prime Minister Modi’s

8 SmartEnergy Sept 2016

goal of 175GW by 2022 is ambitious and requires a fast-track for successful implementation,” explains SunLink CEO Michael Maulick. “As I shared with Mr. Modi when he visited the U.S. in June, we believe that the combination of local, respected experts like Ganges Internationale with SunLink’s internationally deployable tracker technology and engineering excellence provides precisely the formula for success he is seeking. Our technology is proven, Ganges ability to implement is proven, and with our combined forces, we’re tackling projects at an accelerating rate.”

“Ganges has demonstrated a commitment to solar energy by diversifying our business to become a major provider of fixed tilt systems in India,” said Vinay Goyal, CEO of Ganges Internationale. “Integrating SunLink’s tracker technology with our wellestablished manufacturing capabilities promises to bring not only more local jobs but increased solar capacity to help meet our country’s clean energy goals.”■  www.supersmartenergy.com

News Updates Sungrow to supply solar central Inverters to Mytrah Energy Sungrow, the world’s leading PV inverter manufacturer, has been awarded a contract to supply solar central inverters for around 150MW of solar projects

by Mytrah Energy (India) Private Limited.

Sungrow will help with the design, engineering, manufacture and assembly of central inverters for Mytrah’s Solar projects in the states of Telangana and Punjab in India. Sungrow’s SG2500 Turnkey Solution employed in this project features high yields with its maximum system efficiency reaching up to 99%. The 10 feet

projects as well.”commented Mr. Girish Gelli, Director, Mytrah Energy (India) Private Limited. container design enables the SG2500 to be easy for deployment, saving time of installation.

“High efficiency, ease of installation & maintenance design of Sungrow central inverters, in addition to their local technical support and global acceptance were some of the important aspects of why Sungrow was selected as the inverter supplier.

We would be happy to be associated with Sungrow for our future

Chandigarh Airport set to go Solar with ReNew Power ReNew Power Ventures Private Limited, India's leading renewable energy company, recently signed a Power Purchase Agreement (PPA) with the Chandigarh International Airport (CHIAL) for solar installations.

The agreement duration for the project is 25 years and was signed after a competitive bidding process in February 2016, for 5MW installation at the airport. Once completed, the project will help CHIAL generate 8.4 million units of power annually and offset over 8,000 tonnes of carbon emissions annually. The power generated by the installation will be utilized for captive consumption of the airport and will reduce the cost of energy by 20%.

CHIAL is a subsidiary of Airports Authority of India (AAI) and this was one of the first bids under RESCO (Renewable Energy Service Company) model conducted by the AAI. As an innovation-driven enterprise which is committed to deliver value to

10 SmartEnergy Sept 2016

stakeholders, ReNew Power will introduce a tracker facility for this project. The 5MW PV plant will use a single axis tracker technology that will maximize the output from the plant. The horizontal single axis tracker with tilted module is a unique approach that leads to the increase in yields from the plant.

Commenting upon the business association, Mr. Sumant Sinha, Chairman and CEO, ReNew Power said, "At ReNew Power, we are firm believers that institutions such as the AAI have to lead and show the way to individuals on reducing greenhouse gas emissions. We are therefore delighted to be selected as a partner in the Chandigarh International Airport Limited's attempts to reduce their carbon footprint. As their technology and innovation partners, ReNew will bring best-in-class expertise in project management and execution besides introducing the tracker technology to help CHIAL maximize its yield." ■

“Sungrow is very pleased to be a part of Mytrah for supplying inverters to their esteemed projects. We are delighted and overwhelmed to receive this contract from Mytrah and it leverages the intellectual capital in the design and supply of inverters for large scale energy generation assets. This contract gives us enormous momentum for solar inverter business in India,” said Prof. Renxian Cao, President of Sungrow ■

First Solar commissions 130 MW of solar power plants in AP, Telangana First Solar Power India, has announced the commercial operation of 80 MW and 50 MW solar power plants in Andhra Pradesh and Telangana. The projects are part of the 260 MW project portfolio owned by First Solar in India. These two plants will collectively produce enough energy to power approximately 2,27,500 average homes in India and will displace 204 tonnes of carbon dioxide annually. The electricity generated by the two projects will be purchased by the Southern Power Distribution Company of Andhra Pradesh and the Telangana State Southern Power Distribution Company under 25-year power purchase agreements. The project will be powered by more than 1.4 million First Solar modules offering predictable energy in all climates and applications ■

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News Updates Mr. Hitesh Doshi, Chairman & Managing Director, Waaree Energies, said, We at Waaree Energies are delighted to establish tie up with the renowned The Wadhwa Group. It has been our endeavour to promote the benefits of solar power utilization across the board and with this tie up; we would go a long way in further populating the use of solar power for building a sustainable tomorrow ■



Wadhwa Group ties up with Waree Energies to promote green energy

Rays Power plans to set up its own projects Rays Power Infra, a leading EPC player in the grid-connected solar photo-voltaic sector, has sewn up plans to becoming an independent power producer in the solar energy space by setting up its own projects, apart from handling EPC contracts and offering rooftop project services.

90 days on a turnkey basis right from land acquisition. The park is part of the 25 mw park of Rays Power and third such solar PV parks to be commissioned in Telangana.

The company, which has a strong EPC order book of over 110 mw to be executed during the current financial year, is aiming at raising funds for IPP business.

“The power generated from the park will be sold to a US based pharma multinational company. Earlier, we had commissioned a 10 mw solar PV unit for Haldirams which has a power purchase agreement with State utilities,” he said.

“Already couple of potential investors have approached us and are keen to invest in the company. We have partnered with Hilliard for a development of 150 mw. We are also in talks with some pension and sovereign funds to raise money to expand business,” Sanjay Gupta, Executive Director of Rays Power Infra, said.

The company had closed last financial year with a turnover of Rs. 330 crore and now has an order book of over Rs. 650 crore and expects to complete the orders before the current fiscal end. It would have been about Rs. 850 crore, but for one of the orders changing hands due to their prior commitments, Gupta said.

Announcing the commissioning of a 25 mw solar PV park in Telangana, Sanjay Gupta said this is part of the first solar projects set up in Telangana. The project execution work started in the first week of March 2016 and has been commissioned within

The company has begun to offer solar rooftop solutions through Solar Cart on a pilot basis in Rajasthan and Delhi and is looking to offer them across various other States ■

12 SmartEnergy Sept 2016

BHEL bags Rs 169 cr order for solar PV power plant A statement released announced that BHEL has secured an order to set up solar photovoltaic (SPV) plants, estimated to cost Rs 169 crore. According to the statement the EPC order has been placed by West Bengal State Electricity Distribution Corporation Ltd (WBSEDCL). Three SPV plants of 10 MW each are to be set up at Mejia (Bankura), Santaldih (Purulia) and Chharrah (Purulia) in West Bengal, it added.

Earlier this year, BHEL had bagged Engineering, Procurement and Construction (EPC) orders from Neyveli Lignite Corporation and Bharat Electronics Ltd for setting up of a 65 MW SPV Power plant at Neyveli (Tamil Nadu) and a 15 MW SPV Power Plant at Ordinance Factory Premises, Medak (Telangana) which are being implemented.

In 2015 as well it bagged EPC orders from NTPC for 50 MW solar power plants each at AP and MP. While the AP project has been commissioned, the MP is currently under execution ■

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News Updates Govt plans 160.64 MW renewable energy projects at major ports by 2017 The Ministry of Shipping is keen to promote the use of renewable sources of energy and aims to set up 90.64 MW of solar energy capacity at 12 major ports and 70 MW of wind energy capacity at four major ports by 2017.

According to reports, the Ministry is in the process of installing solar and wind-based power systems at all the major ports across the country. These major ports have started the process of setting-up the renewable energy projects from their profit earnings. The total financial implications of the solar projects would be Rs 407.7 crore. The wind energy projects would be executed in three major ports namely Kandla, V O Chidambaranar Port and Kamarajar Port. The total MW capacity of the wind energy projects is estimated to be 70 MW. A total of 6.94 MW of solar projects

had already been commissioned with Vishakhapatnam Port leading the way with 6.25 MW, the other ports in which solar projects have been commissioned were Kolkata Port, New Manglore Port, V O Chidambaranar Port and Mumbai Port.

The remaining solar power projects would be commissioned phase wise and was expected to be completed by 2017. These projects were a part of the Green Port Initiative launched by the Ministry of Shipping and these renewable energy projects would help in the reduction of carbon emission and lead to improvement of the environment around the ports. Besides, it would also help to reduce cost of power purchased by utilization of renewable energy for power generations ■

Government propels Solar Rooftop Power with a giant 1000 MW Tender The Indian government is pressing hard on growing solar rooftop capacity, which remains a huge laggard as compared to the utility scale solar segment. The government has recently come up with a huge 500 MW tender, which saw decent though not enthusiastic participation from a number of solar developers.

Now it is coming out with another huger tender of 1000 MW to install solar rooftop panels on government buildings, both on a capex and a PPA model.

This tender will be divided into 3 parts: Part A: 400 MW of capex for greater than 25 kw rooftop solar systems size Part B: 400 MW of PPA for greater

14 SmartEnergy Sept 2016

than 25 kw rooftop solar systems size Part C: 200 MW of capex for lower than 25 kw rooftop solar systems size The Indian government is using the tender and reverse auction route to increase penetration of rooftop solar energy in the country. India has managed a lot of success in the grid space using this method and now it wants to replicate it in the rooftop solar space. Though the government has introduced a number of incentives and subsidies, it has failed to grow the rooftop solar capacity. There are number of “on the ground hurdles”, which has led to the failure of growth in the solar rooftop capacity ■

Ujaas Energy gets SP-1A Solar Energy Grading from CARE

Ujaas Energy Limited has received “SP-1A” grading for system Integrated (PV) of the organization under the Ministry of New and Renewal Energy Scheme for accreditation of channel partners.

“SP-1A” grading stands for the “Highest performance” and “Highest financial strength” Ujaas Energy Limited, which is a leading Solar EPC company based out of Indore and operating pan India. The company has not only installed more than 150 MWp of solar PV power plants but also have executed several grid connected rooftop solar PV power plants in various parts of the country with the facility of Bi-Directional / Net- Metering for leading Public and private sector companies.

Speaking on this occasion JMD, Ujaas Energy Ltd Mr Vikalp / Anurag Mundra said “We are delighted to get accredited at highest grade by CARE, we are now more excited to participate in Hon PM Mr Narendra Modi Ji’s India solar mission of 100 GW , at the same time we are committed to provide quality and timely service to our customers. “ Over the years, UJAAS Energy Limited has made strong relations with its stakeholders in all three segments of their services viz EPC , Parks & rooftop projects ■

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News Updates Inox Wind Bags Senvion Buys Wind Turbine Repeat Order from Maker Kenersys Surya Vidyut Limited Senvion GmbH bought Indian wind turbine maker Kenersys India Private Ltd. for an undisclosed sum, stepping up for 50 MW the German company’s effort to broaden its international Inox Wind Limited, further strengthening its position as the country’s top wind energy solutions provider, has bagged a repeat order from Surya Vidyut Limited (SVL) for a 50 MW wind power project at Rojmal, in the state of Gujarat. SVL is a wholly owned subsidiary of CESC Limited.

CESC Limited is India’s first fully integrated power utility engaged in the generation and distribution of electricity. The order which will be executed on turnkey basis is scheduled to be commissioned by December 2016. Inox Wind’s Rojmal site is one of the largest wind farms in the state of Gujarat with a capacity of 400 MW. The common power evacuation infrastructure facilities at the site have already been commissioned." As part of the turnkey project, Inox Wind will provide end to end solutions from development and construction to commissioning ■

reach.

Hamburg-based Senvion said in a statement released that the deal includes Kenersys’s 250-megawatt production site in Baramati, Maharashtra state, and its wind farm operations with an aggregate capacity of 220 megawatts. Senvion also gained the right to sell Kenersys’ core product series of 2-megawatt and 2.6-megawatt turbines worldwide.

By buying Kenersys, Senvion seeks to expand its foothold in India, said Chief Executive Officer Juergen Geissinger in the statement released. The statement further added Geissinger as saying that Kenersys will shorten Senvion’s “time-to-market” for sales, and will complement Senvion’s product range.

Senvion was previously owned by Suzlon Energy Ltd., another Indian wind and solar company, which held the German company from 2007 through 2015. Suzlon sold to the U.S. private equity fund Centerbridge Capital Partners.

Earlier this year, Senvion sought additional funding to expand through a private placement of shares and listing on the Frankfurt stock exchange ■

Swedish firm express interest in setting offshore wind turbine in Gujarat and TN Swedish company Flowocean AB has expressed interest in setting up floating offshore wind turbines in Gujarat and Tamil Nadu, subject to the approval of State governments.

It is also open to exploring possibilities of making components for turbines in the two States under the Make in India initiative, according to a press release from Flowocean. The company is talk-

ing to industries in Gujarat and is interested in doing the same in Tamil Nadu. It is also working on concrete proposals for investments in India.

According to Jagat Shah, representative of Flowocean in India, with India having a coastline of 7,600 km, the potential for offshore wind turbines is high. Solar power systems and onshore wind power require vast

areas, which is not the case for offshore wind power. However, offshore wind energy systems are expensive.

Flowocean has introduced a floating wind power solution that costs just half of the current offshore wind power systems.

Though offshore wind systems are expensive, turbines are ecofriendly and do not need much space ■

GE to invest $31 mn in Mytrah wind energy project GE Energy Financial Services has agreed to invest $31 million in Mytrah Vayu (Tungabhadra) Private Limited (MVTPL) to support development of 200 MW wind energy project in Andhra Pradesh.

16 SmartEnergy Sept 2016

MVTPL, which is a 99.99 per cent subsidiary of Mytrah Energy (India) Private Limited (MEIPL), has entered into a definitive agreement with Guayama P.R. Holdings B.V., an investment vehicle of GE Energy Financial Services.

"Attracting investment from GE is a huge endorsement of Mytrah's operations and its growing position in India's power market, and we are delighted to have successfully completed this fund raising," said Ravi Kailas, Chairman and CEO, Mytrah Energy Ltd ■

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Inshorts NATIONAL India mulling Generation Based Incentive for 5 GW of future solar tenders India is working on some new rules for 5 GW of solar projects to be tendered over three years, including bidding for a Generation Based Incentive (GBI).

NTPC Ltd will be the off-taker for the 5 GW. It is expected to set the solar power purchase rate at INR 4.5 per kWh and urge developers to bid for additional compensation per kWh of produced power via the GBI model.

India Takes Steps to Restrict Solar Power Curtailment The Ministry of New & Renewable Energy has issued an advisory asking central as well as state regulatory body to ensure that solar power project developers do not suffer due to absence of transmission capacity.

The Ministry advisory states that solar power projects have a ‘must run’ status and if there is lack of transmission capacity the thermal power projects should be asked to reduce generation which will, in turn, lead to low consumption of coal. The Ministry has asked the regulators to ensure that solar power project developers are paid even if they are advised to reduce power generation.

scale solar PV capacity by 2020, up from 20 GW, as the country explores all avenues on the path towards its wider 100 GW of solar by 2022 goal.

to spread solar and wind power from states rich in renewable resources to areas of high electricity demand and to reduce the risk of curtailment.

Wind energy generation in TN reaches record high

Statkraft is the first supplier of I-RECs in India

Wind power consumption in Tamil Nadu has reached a record high.

Since May 15, when the wind power season started, the state has consumed 6,087 lakh million units, which is several times more than the wind power consumption in 2014 and 2015. On an average, about 22% of the power requirement in the state over the past three months has been met by wind energy.

Statkraft, Europe’s largest generator of renewable energy, is the first company to offer renewable power tracked by the International Renewable Energy Certificate Standard in India. The certificates are generated in cooperation with its Indian hydropower partner Malana Power Company Limited.

Madhya Pradesh to provide state guarantee for Rewa ultra mega solar project To ensure viability of its ultra mega solar Energy Park at Rewa, the Madhya Pradesh government will extend a state guarantee to the flagship project. Billed as the world’s largest contiguous solar park, the project entails an investment of Rs 7,500 crore.

The guarantee would ensure against a default in payment to Rewa Ultra Mega Solar (RUMS), a joint venture of the state’s Urja Vikas Nigam and the Union government’s Solar Energy Corporation of India.

India to double its 2020 target for large-scale solar PV Capacity

250MW of green energy corridors commissioned in Andhra Pradesh

India will seek to double its already-ambitious 2020 target for large-scale solar as it attempts to plug a shortfall in rooftop demand and salve the wounds caused by SunEdison’s recent bankruptcy.

India’s green energy corridor plan has seen 250MW of transmission capacity completed around Anantpur with a further 1.25GW due in 2017 in the Andhra Pradesh state.

According to reports, the secretary of India’s Ministry of New and Renewable Energy (MNRE), said that the MNRE has set a new generation target of 40 GW of large-

18 SmartEnergy Sept 2016

Speaking in parliament, mines and energy minister Piyush Goyal said Andhra Pradesh was one of the first states to take up the green corridor and solar parks policies. The aim of the corridors is

Odisha inks MoU with Azure Power for India’s first grid connected roof-top solar project The Green Energy Development Corporation of Odisha Ltd (GEDCOL) and the Central Electricity Supply Utility (CESU) signed a 25-year Project Implementation Agreement with Azure Power Mercury Private Limited, to develop the country’s first grid connected MW scale roof-top solar project on net metering basis.

This project, with a minimum capacity of 4 MW for each unit, will be set up across more than 100 government buildings in Bhubaneswar and Cuttack.

Suzlon bags 58.8 MW project in Madhya Pradesh Suzlon Group has bagged an order for 58.80 MW wind power project to be set up in Dewas district of Madhya Pradesh. According to the statement, the project comprises 28 units of S97-120 m hybrid towers with rated capacity of 2.1 MW each and is scheduled for completion by March 2017 ■

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Product Updates

Gerber Technology Brings Speed, Efficiency and Quality to Composites Parts Manufacturing

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ntroducing the next generation computer-controlled, automated GERBERcutter® Z1 cutting system -- the optimal solution for single-ply cutting of challenging composite materials for wind energy applications. Take control of your business with comprehensive reports that analyse system throughput, material yield, processing times, individual job statistics and more. Discover opportunities to make cutter operators more efficient and to optimise your cutting process.

The GERBERcutter Z1 has a simple and intuitive user interface making the workflow process easy to follow even for a novice.

This will improve productivity while reducing errors and training time. The GERBERcutter Z1 is built upon a new distributed control system, the foundation upon which many powerful options like inkjet-printed part identification systems can be added.

Because the GERBERcutter Z1 is designed for maximum efficiency, it's equipped with an intelligent variable vacuum regulator. The system regulates the vacuum according to the task at hand – even minimizing vacuum and

power consumption when the cutter is idle.

Equipped with GERBERconnect™ remote diagnostics, Gerber service professionals can analyze your system via a secure Internet connection. We’ll do everything we can to keep your Z1 in optimum working condition.

ComposiNest® automates the composite ply nesting process, reducing labor requirements, increasing material utilization and improving cutter throughput by transferring nesting functions away from the cutter.

Because ComposiNest is designed specifically to nest composite plies, it controls ply placement within the nest to ensure accurate ply orientation and integrity.

ComposiNest has been shown to improve your material utilization by as much as four percent using advanced nesting algorithms.

With ComposiNest automated nesting software, you can automatically generate nests 24 hours a day without human intervention to meet peak production demands

without additional labor costs.

ComposiNest automated nesting software seamlessly imports and exports data files from industry standard CAD software, including DXF, NC and IGES files.

Advanced nesting algorithms enhance ply placement for maximum material utilization. Enables manufacturers to combine several jobs and nest parts using multiple algorithms to find the highest material utilization. Because the software is designed specifically to nest composite plies, it controls ply placement within the nest to ensure accurate ply orientation and integrity.

Visit www.gerbertechnology.com for more information ■

SMA is First Manufacturer to Achieve UL 1741 SA Certification for Smart Solar Inverters

S

MA is the first inverter manufacturer to complete functional and safety testing with UL according to the UL 1741 SA (Supplement A) draft standard, which identifies inverter functions required for optimal grid stability. To achieve that, SMA enhanced the smartinverter capabilities of its popular Sunny Boy TL-US series of inverters with Secure Power Supply to help maintain voltage, frequency

20 SmartEnergy Sept 2016

and general grid health. While the new grid support functionality is optional as defined in the UL 1741 SA, it will become mandatory for all new California interactive inverter installations 12 months after the publication of UL 1741 SA. These capabilities were developed to meet the critical grid support needs of the Arizona Public Service (APS) Solar Partner Program,

a rooftop solar initiative designed to generate up to 10 MW of PVgenerated power. APS, Arizona’s largest and longest-serving electric company, will own, operate and receive energy from 1,500 PV systems, installed and maintained free of charge to their customers.

APS needed to be able to collect data that will help the company better understand and manage the energy flowing into neighbor-

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For More Information Contact: Mr. M K Srivastava at +91 9512033506/ email: mk.srivastava@fireflybattery.in

Firefly Batteries Private Limited Corporate Office:199, Neelkanth Bungalows, B/H. DPS School, Bopal, Ahmedabad- 380058, Gujarat, India Factory: Survey No: 61/20, Opp. Super gas plant, Bavla Barodra highway, Village: Kalyangarh, Taluka:Bavla, Ahmedabad- 382240 Gujarat

Product Updates hoods across the state in order to achieve a more reliable and sustainable grid, while providing for greater customer technology choice. The smart-inverter technology developed by SMA will allow the utility to operate the solar installations as they would a power plant, ramping up or curtailing power and other control features based on the real-time needs of the grid. APS is the first utility in the nation to deploy and control this advanced technology remotely.

meets the safety requirements of UL 1741, but also complies with the draft specifications of UL 1741 SA for Grid Support Utility Interactive Inverters that support a more stable utility grid for the future. While Supplement A is still being finalized, by taking the lead and certifying to UL 1741 SA now, SMA America can accelerate their products to market.”

“Brownouts or blackouts have demonstrated the far-reaching impacts of utility grid instabilities,” said Jeff Smidt, vice president and general manager, UL Energy and Power Technologies division. “We are pleased to see manufacturers like SMA America proactively meeting the needs of a modern utility grid by developing grid-supported, utility-interactive inverters. SMA America’s Sunny Boy TL-US series of inverters not only

In addition to the features that were tested by UL, SMA also developed a special process for making real-time firmware and parameter changes over cellular networks, enabling APS greater control over the systems in its Solar Partner Program.

“SMA believes achieving compliance with the expected revisions to UL 1741 demonstrates our eagerness to work with indus-

try stakeholders to ensure solar power can continue to grow responsibly on the grid,” said Marko Wittich, SMA executive vice president of sales for the Americas region. “This new technology will allow other utilities in the U.S. to develop similar utility-directed or utility-owned residential solar programs, with an inverter that is already customer-tested and UL-validated.” ■

Containerised Solar Substation

C

ontainerised solar substation are designed for clustered solar parks where space and safety is a concern, and are of capacity 500KW to 20MW projects. Containerized substation is divided in three section or compartment— MV Breaker, Transformer and Inverters with DCDB. Containerised substations are designed in accordance with IS 14786 / IEC 61330 standards with degree of protection up to IP 43 for Transformer and Inverters compartments & upto IP 54 for MV breaker compartment.

Special Features ii Completely Factory built ii Superior Aesthetics ii Convenience in portability ii Ready to install &Commission ii Compact in size ii Minimal maintenance ii Ideally Suitable for on Grid Solar Projects

22 SmartEnergy Sept 2016

ii Tamper proof ii N u m e r i c a l Reverse Power Protection Relay ii Numerical 3 pole Differential Relay Standard Fittings ii M.S./ CRC Sheet fabricated Enclosure as per IS 14786 ii Load Balancing Lifting Hooks ii Collapsible hinge mounted doors ii Rain water protection IP 54 for Breaker compartment ii IP 43 for Transformer/ Invertors compartments ii For safety doors with alarm & tripping circuit ii Inter connecting MV & LV cables or bus bars from Invertors to

Transformer, Transformer to MV Breaker ii Powder coated paint, for HV& LV equipments ii Epoxy / PU paint, Shade – RAL 9003 or as per customer request ii Illuminating lamps with MCB For more information contact Telawne Power Equipments. Pvt. Ltd at +91-22-2764 2273 / 74 / 75 or visit www.telawne.com ■

 www.supersmartenergy.com

Product Updates

“ELECTROTHERM” Special Application Transformer

E

lectrotherm (ET) is reaffirming the leadership in steel plant and with the last 2 decades of consolidated technological experience, many references from different applications and with a highest level of manufacturing footprint, ET is the pioneer in the customer's required design as tailor-made for high-current solutions and for niche industry applications. The superior quality materials for the core and winding, a reduction of losses, ET is capable to offer a wide range of special application transformers in the field of Electric Arc Furnaces, Ladle Furnaces and high-current Rectifier, Converter, Earthing for the end-users. ET is working with Industries where one day failure means huge Loss, so ET Transformers are designed for zero failure and are seasoned with industrial load pattern and easily offer extended warranty for any commercial coverage. The backbone of the company is the robust research and development section.

Electric arc furnaces (EAF), ladle furnaces (LF), ferroalloys smelting furnaces and high-current rectifiers need a specific design to supply the necessary power at a low voltage level and must be designed to resist the high secondary currents, which are normally regulated by an on-load tap changer / star-delta off load switch, either directly on the high-voltage winding or via an intermediate booster located

within the same tank or in separate tank. EAF transformers are rigidly designed to withstand repeated shortcircuit conditions and high thermal stress, and to be protected against operational over voltages resulting from the arc processes. ET preferred to supply with in-built reactor for long arc stability. Thus makes the lifetime of the transformer is also extended.

Rectifier transformers are combined with a diode or Thyristor rectifier. Thyristor rectifiers require voltage regulation with a no-load tap changer, if any. ET is the highest number of supplier for converter transformers. Those are used for induction furnace operation, large drive application, static voltage compensation (SVC) and static frequency change (SFC).

Converter transformers are suitable for 6 / 12 / 18 / 24 / 36 Pulse.

Such transformers normally have an additional winding as a filter to take out harmonics. Different vector groups and phase shifts are possible. In ET transformer, the special consideration incorporated while designing are the harmonics, frequent short-circuit, Rapid and large load fluctuations, Operational over-voltages due to frequent switching along with LV bushing arrangement to limit

struct u r a l heating.

Furnace and Converter Duty Transformer are constructed with Single / Double / Triple Deck and with extended Delta on Primary or Secondary side to achieve desired phase shift. Sometime Regulating / Booster transformer to be provided as per site and transport suitability (built into same tank or into a separate tank).

ELECTROTHERM Vision: Be a Leader in Special Purpose Industrial Transformers in India ■ For More information Contact: Electrotherm (India) Ltd. 72, Palodia (via Thaltej) Ahmedabad – 382 115 T: +91 2717 660550 E: info@electrotherm.com

SoLayTec Launches its Second Generation InPassion ALD tool for PERC Cells

A

tomic layer deposition (ALD) equipment specialist SoLayTec, a subsidiary of Amtech Systems, has launched its second generation InPassion ALD tool for PERC cells.

24 SmartEnergy Sept 2016

According to the company, combined with the newest direct PECVD, it can annually produce up to 130MW, including the integrated anneal process.

The new product has been hailed by SoLayTec as “a highly cost-effective solution” capex-wise and has published customer data to back this claim up. The main improvement of the second gen www.supersmartenergy.com

customer this gives a wider opportunity to use our ALD system, besides PERC applications also for other high efficiency cell concepts like: n-PERT, IBC, PERL and the latest Topcon approach,” he added.

eration model is cited as the uptime and net throughput of the machine. The company also claimed that TMA usage and efficiency gains edge the new product above competitors.

“For PERC integration the Al2O3 ALD machine only, is not the complete solution. A customer also needs a PECVD capping machine for covering the Al2O3 layer. So far a customer needed at least six direct PECVD tubes to meet the ALD output of 3600wph. Since the 10th SNEC exhibition in Shanghai, [Amtech subsidiary] Tempress introduced the SPECTRUM PECVD which has at least the same net capacity as the InPassion ALD. So now capex wise we have a highly cost effective solution available for our customers”, said Roger Görtzen, co-founder of SoLayTec and director of marketing and sales.

The evaluation showed that this efficiency was achieved by “optimising the process flow and integrating a post-deposition anneal into the SiNx capping process,” as stated by a Hanwha Q CELLS research paper. The technical paper also found that the SoLayTec product demonstrated improved passivation quality resulting in the Voc gain remaining constant during light and elevated temperature induced degradation measurements.

“At SoLayTec we are very proud of this result, confirming our efficiency benefits at an important tier one cell manufacturer”, said Görtzen, in a statement. “For our

Tempress and SoLayTec are both part of the Industrial Affiliation programme at research institute imec. At Intersolar, imec and its partners presented the latest results of their large area n-type IBC cells of 22.8%. Imec already proved that ALD Al2O3 was a good passivation material for p+ emitters, but in this work the ALD from SoLayTec plays a significant role to passivate also the n+ emitter, the company explained. In the past, the standard passivation method was always by using Wet thermal SiOx, but now also for IBC concepts the gain is +0.3% by using the ALD Al2O3layer.

SoLayTec recently performed a PERC integration for a customer in Asia. This ramp-up of a standard multi cell line into mono PERC reached a daily capacity of 50,000 PERC solar cells, with a stable cell efficiency of 20.6% ■

During Intersolar Europe 2016, leading PV cell manufacturer Hanwha Q CELLS published results of using the InPassion ALD compared with their MW-PECVD system. A comparison of the two technologies found that the SoLayTec product offered a 0.150.25% better efficiency for multi-cSi PERC compared to the MW-PECVD AIO×.

25

Sept 2016 SmartEnergy

View Point

T

he International Energy Agency (IEA) has identified the development of renewable energy sources as a key element to mitigate climate change.

At the same time, it has projected India to be the second-largest contributor to the increase in global energy demand to 2035. India hence faces a significant challenge to ensure its energy security by diversifying its power generation mix.

Policy Framework India was the first country in the world to have a dedicated ministry for Renewable Energy. It was established as the Ministry of Non-Conventional Energy Sources in 1992 (re-christened as Ministry of New & Renewable Energy in 2006). The Jawaharlal Nehru National Solar Mission (JNNSM) announced in 2010 under India’s National Action Plan on Climate Change, setup targets, through a systematic approach and structured framework, linking them with the nation’s 5

year plan, and establishing sector based Renewable Purchase Obligations (RPO).

The objective of the National Solar Mission is to establish India as a global leader in solar energy, by creating the policy conditions for its diffusion across the country as quickly as possible.

Advantage India India is endowed with abundant solar energy, which is capable of producing 5,000 trillion kilowatts of clean energy. We are blessed with around 300 sunny days in a year and solar insolation of 4-7 kWh per Sq. m per day.

Many States in India have recognized and identified solar energy potential and other are lined up to meet their growing energy needs with clean and everlasting solar energy. In near future Solar energy will have a huge role to play in meeting India’s energy demand.

R A L SO

Rooftop Solar PV One of the immediate aims of the National Solar Mission is to focus on setting up an enabling environment for solar technology penetration in the country both at centralized and decentralized level.

With large scale infrastructure development in India now extending to towns and villages, the demand for electricity has subsequently been increasing over the years. As a result, distribution utilities are unable to support peak demand in all areas, with frequent power outages. Rooftop Solar PV system is one of the best solutions to cater to this demand. The systems can be grid-connected / interactive or off-grid / standalone systems, depending on the application of the load, and availability of grid power Rooftop

P O T F O O R

A 40GW CHALLENGE

26 SmartEnergy Sept 2016

 www.supersmartenergy.com

solar power is being aggressively explored by commercial, industrial, and residential consumers for ii On-site generation of power at reasonable rate ii Productively utilizing unused rooftop space Rooftop space is often left un-utilized in many establishments; installing a solar plant on the roof is a great way to derive additional value from your premises Depending on the tariff regime, solar power may prove to be cheaper than even grid power for some consumers and definitely more economic than diesel power for all, and offers the added advantage of fixing the cost of power for the next 25 years.

Cost Benefit Analysis Though the initial investment in setting up a rooftop solar plant may be high (to the tune of Rs. 80,000 per kW, depending on the plant size), the savings realized over a period of time help in offsetting the costs involved.

It also helps in establishing a fixed cost or zero cost (with estimated escalation) towards power consumption over a period of 25 years (typical life cycle of solar PV plant, with warranties)

Incentives & Subsidies Financial incentives by Government for rooftop solar power plants (industrial & commercial) include ii Accelerated Depreciation ii 10 year tax holiday Thereby aiding in reducing the payback period, and the burden of taxes on the asset owner.

However, budget constraints & approval for upfront investment and lack of capital subsidies in the above mentioned sectors may result in delay in decision making

Current Initiatives from Government of India Amalgamation of Ministries The ministries for Power, Coal and Renewable Energy have been brought under a common leadership, with Shri Piyush Goyal heading all three portfolios This has helped a lot in establishing effective co-ordination among the three sectors, in terms of

» Sept 2016 SmartEnergy 27

View Point policy advocacy, implementation, and encouraging competitiveness.

from India in renewable energy technology under renewable sector-specific SEZ.

100% electrification

ii A payment security mechanism to cover the risk of default by state utilities/discoms

24x7 - Power for All (24x7 PFA) is a Joint Initiative of Government of India (GoI) and State Governments with the objective to provide 24x7 power available to all households, industry, commercial businesses, public needs, any other electricity consuming entity and adequate power to agriculture farm holdings by FY 19.

MNRE is heading this initiative wherein off-grid solar PV for rural areas and grid interactive rooftop solar is expected to play a key role.

Make in India Further, the PM of India’s Make in India program mentions the following incentives ii Exemption from excise duties and concession on import duties on components and equipment required to set up a solar plant ii Guaranteed market through solar power purchase obligation for states ii Generation based incentive schemes for small solar projects connected to a grid below 33KV ii Reduced wheeling charges as compared to those for conventional energy ii Special incentives for exports

ii Loans at concessional rates for off-grid applications

Solar Energy Corporation of India (SECI) ii SECI was set up in 2011, under MNRE as a not-for-profit company as an implementation and facilitation institution dedicated to Solar Energy sector. ii Mandate of SECI allows wide ranging activities to be undertaken with an overall view to facilitate implementation of JNNSM and achieving the targets set therein. ii The Corporation has the objective of developing Solar Technologies and ensuring inclusive solar power development throughout India.

International Funding ii The World Bank recently announced it plans to provide more than $1 billion (£0.7bn) to support India’s solar initiatives. ii Some of the projects under preparation include rooftop solar, bringing innovative solar and hybrid technologies to market and transmission lines for solarrich states.

ii India plans to install at least 400MW of rooftop solar and develop a $200 million (£150m) shared infrastructure for a solar parks project under a public-private partnership model. ii The investment pledged by the bank would be its largest financing of solar for any country in the world to date.

Future as it appears ii Immense scope & opportunity for investments and projects in solar PV sector with the rising demand for electrification. ii Lack of clarity on how the likely additional costs as input taxes in the upcoming Goods and Services Tax (GST) regime would be allowed as a pass-through by the regulators. ii With more number of players, new entrepreneurs entering to the Solar EPC business, the prices will be more competitive, and overall cost of setting up a solar project might come down. However, this may also lead to tariffs going below Rs. 4 / kWh ■

This article is written by KRYFS. KRYFS is a premier Transformer Laminations and Core manufacturer and the most trusted brand in the lamination category in India. With more than 1000 employees engaged in its 7 state of the art manufacturing units operational, they provide end-to-end power solutions from generation to distribution to help India achieve its goal of being completely electrified by 2025. They also offer complete Design, EPC, and O&M for off grid solar, rooftop or ground mounted installations, centralized solar PV power plants.

For more information, please visit www.kryfs.com or mail at sales@kryfs.com

28 SmartEnergy Sept 2016

 www.supersmartenergy.com

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Case Interview Study

Sanjay Deshmukh

CEO, Pearl Energy Solutions (India) Pvt Ltd

"Solar wall mount streetlight is one of our newly launched product"

Q

.Tell us more about Madhuri Solar, the products and solutions you offer in the Indian market?

Madhuri Solar was established in year 2000, with manufacturing of solar lanterns and Solar torch for rural segments, specially for farmers. Back then power outage was a normal chorus of the day in a farmers life. Since then Madhuri Solar has been into Solar industry catering to the need of the time and manufacturing products for global requirements. We have in-house solar solutions for Indian markets, products such as Solar Lanterns, Solar Home lighting System, Solar Street Lights, Solar Water Pumping System, Solar rooftop off grid and On grid systems, Solar Water

30â&#x20AC;&#x201A;SmartEnergy Sept 2016

Heating Systems. We believe no market is as big as Indian market, there is immense potential for

solar products in rural market, where our products meets to the mere necessity.

Our Recent Products launched in the markets are Sun on Wall (Unique Street Lighting system with integrated batteries inside the fixture) refer image on the side and 999 Solar Home lighting system.

Q Solar wall mount streetlight

.Tell us more about your manufacturing facility?

Amongst the different products that you manufacture, which are the products that are likely to contribute the most towards the future growth of the company?

Our Manufacturing facility is

ď&#x192;&#x153; www.supersmartenergy.com

located at three places, two are in Pune and one is located at my home town Kasegaon near Kolhapur, manufacturing more than 25 Solar Products . We are very well equipped with advanced machinery and testing tools, which keeps us a step ahead in the market to provide world class products.

Every product we manufacture is of highest standard and stands the test of time as all this products are designed as per the requirements of the customers. In recent times products such as Domestic Water Pumping Systems, Unique Home Lighting Systems and Solar Rooftop Grid Connected Systems are the ones which we presume would be the ladder of growth for our company.

Q

.What is the product quality policy that you follow?

How do you ensure that products of utmost quality reach the customers?

Madhuri Solar has entered in to Solar Industry with a Vision “ Energy For Every One “ and mission to become the most admired and respected name in the field of Solar energy applications in Indian and International markets.

Right from Sourcing the highest grade of raw materials till the final product, our Products undergo rigorous quality check adhering to the standards at each and every step. The maturity of our process ensures delivery on time, with minimum defects and agreed service levels via our diverse and wide range of dealer networks.

We follow 5S process, where every employee is responsible for the products at every stage, incase of any faulty products which doesn’t pass QC they are retained and re assembled with through quality checks and this has helped us in reducing manufacturing defects to a large extent.

Q

.What goes into innovating or developing a new product? How do incorporate the feedbacks from your custom-

ers? Could you elaborate with an example?

As said Necessity is mother of all inventions, our innovations follow market needs with time. One needs to be optimistic about the concept, understand the needs of the target customer, and cost of the new product. Innovations are possible due to application engineering, for which one has to constantly study the requirements of the market. Successful product is the one which enters the market at right time, at right cost .It's a cycle which every product has to go through, one wrong turn and entire product fails.

Before getting a new product to the market, we at Madhuri Solar test the product to see if it satisfy all the needs of the final user. We send out sample to different class of customers to test it. Once it is tested, valuable feedback from customers are taken into considerations and suitable changes in products are made.

Solar wall mount streetlight is one of our newly launched product.

Previously customers had problem that battery in streetlight required maintenance. Since streetlight is mounted outdoor they required battery box to cover battery & locking system as there were chances of battery getting stolen.

Installation of streetlight with 5 meters pole required insertion of ½ meter pole below ground & 4.5 meters above ground, for this we also required civil structure for making pole stand strong straight.

Due to this system became costly, bulky for transport, installation & use. Taking this feedback from the customers we innovated AC LED LUMINARY which has in built no maintenance Li-ion battery. Also instead of 5 meter pole you can mount our wall mount streetlight within few minutes directly on any of your wall simply by drilling few holes & tightening screws.

Space requirement, civil structure, battery box, cables, locking system cost is completely eliminated. However, if required you

can mount this compact system on pole also. Solar Panels are kept separate & we have not combined panel & luminary together because we wanted our customer to rotate luminary as per their requirement at whichever position they wanted. But Solar panels has to be placed only in direction where it can get maximum sunlight. Our next step is to combine panel to make it ALL-INONE system.

Q

.As a Solar equipment manufacturer, what according to you are the difficulties or challenges for the Industry?

What support does the industry need to make it globally competitive?

Solar Equipment manufacturers today face difficulties to match the imported solar products price,specially Chinese ones. Low Quality of Raw material is largely used by solar manufacturers to sustain in the market to match the prices with the imported products.

This is ruining the quality of products and has harmed the solar industry to a large extend.

Q

.As a rooftop player, what are the core competencies that differentiate Madhuri Solar from the competitors? How do you ensure quality and reliability of solar rooftop projects?

Years of experience in Solar Industry has led us to develop our own strengths. We have developed our own standard operating procedures for Solar Rooftop Installations comprising of all the necessary quality products and installations way beyond the standards demand. Life of the system should go on for 25 years, devices used in such installations should meet the purpose. As a technology partners we are associated with Fronius as Sales and service Partners for Solar Inverters, Leoni for Solar DC cables, Lighting and Earthing protections with Dehn.

» Sept 2016 SmartEnergy 31

Case Interview Study We meet the Timeline of project, which is one of the major factor along with the reliability, perfect installation, performance to avoid any financial losses due to delay. We have adequate skilled and trained manpower to carry out service and maintenance thus ensuring minimum downtime. We believe its an installers responsibility to meet generation performance for which perfect installation along with the best in class quality products, service and timelines of service calls are of highest essential need.

Q

.With the government targeting 40GW from rooftop solar, what are the opportunities that you are looking at in solar rooftop space? What according to you are the key challenges for the sector that need to be addressed?

40 GW is a ambitious and respectable target set by Govt of India.

Solar rooftop segment has ocean of opportunities, as majority of the states have initiated net metering policy for rooftops and we can sense huge demand in commercial, industrial and residential sector. Concept of net metering is new for the Indian markets, but implementing the process and getting a net metering systems from Discoms is still a task .

Immense resistance and delay in implementing net metering from states or Discoms has stalled solar rooftop segments though Captive consumers have taken leap and have commenced installations.

Various companies or individuals have jumped into this sector without any prior knowledge of Solar, which has resulted in incor-

32 SmartEnergy Sept 2016

rect installations with lower quality of the products causing lower performance of the plant. This is one of the key challenges that the industry is facing today, though MNRE has started Channel partner programs to educate and get the authentication in roof top segment. Large competition is seen today in this segment, one has to give the best quality with the best per Wp prices.

Q

.How does Madhuri Solar integrate CSR with sustainable development?

We carry out different CSR activities, some of them is Educating school kids on Solar training kits from LEX solar . We also provide Solar Home lighting, Solar Lanterns, Solar Water Pumping Systems to people living in tribal areas. We are also working with one of the NGOs on solar DC micro Grid systems , in areas where there is still no electricity.

We strongly believe to be a light in darkness for those of who still leave in the dark.

Q

.Shed some light on the partnership with German companies INPRO Solar and LEX solar? What are the products from these companies that you market in India?

We constantly innovate our mix by introducing unique products such as Solar Education Kits, Solar Toys and Corporate Gifting Items through our exclusive channel partnership with German companies like INPRO Solar and LEX Solar. We are committed to innovating in the field of solar energy so that our consumers can get high quality products and our chil-

dren can get high quality education. Our exclusive Education kits “CREATES SPARK IN THE EYES OF STUDENTS”. We do not believe in explaining or showing diagram but we believe in INVOLVING student in the subject by actually making him do the experiment & learn by himself. This way he can understand the concept & remember it forever. For this we have education kits for our childrens right from play group to engineering professional level.

We begin solar Education right from playgroup where we give our kids SOLAR TOYS to play.

To experiment or study any technology a laboratory with many instruments is required but we have made life easy as Madhurisolar’s one fully equipped briefcase is enough for you to READY TO GO with PV. With this wide range of education kits for every age group from play group to Engineering level one can learn & experiment all energies Solar PV, thermal, wind, H2, smart grid etc. We also have solar corporate gifts that are unique & LIVE movable gifts to create memories & spark of happiness in life of your dear ones whoever you gift.

Q

.Where do you see Madhuri Solar 3 to 5 years from now?

Our future major projects will be Solar MW PV plants. As it is our vision “ENERGY FOR EVERYONE” locally & globally & in all sectors.

We are introducing SOLAR AUTOMOTIVE PRODUCTS like Solar Auto rickshaws and Electric bikes very soon ■

 www.supersmartenergy.com

Technology Update

SOLAR ENERGY MEASUREMENT & MANAGEMENT TECHNIQUES Authored by: Prashant Thakkar

T

he Indian power sector scenario has improved continuously. Renewable energy sources such as solar, biomass, geothermal, hydroelectric and wind power generation have emerged as potential. Renewable energy sources are generally unlimited in availability.

Solar power generation has emerged as one of the most rapidly growing renewable sources of electricity. Solar energy, which is abundant in nature and has no recurring fuel cost, is considered to be the best and non-polluting.

Solar energy is obtained through the use of Solar cells. The Solar cells convert sunlight into electrical energy, based on the principle of photovoltaic effect.

The electricity so obtained can directly be used to charge the batteries used for various appliances.

To get the maximum efficiency from solar Modules, In India modules should be oriented south facing to receive maximum sunlight. The Modules produce more power at low temperature and full sun & tracking the Sun increases the amount of power from an array. The Solar panels are generally installed in such a way that they can receive maximum direct

34â&#x20AC;&#x201A;SmartEnergy Sept 2016

sunlight without shade from any building/trees nearby falling on them at any part of the day.

The government has subsidized liberally the solar projects in rural areas during the 2016 Budget. The metering industry has developed the following instruments for the solar power measurements.

In measuring industry such instruments are available to check the efficiency of solar Cells, Solar Modules, Solar Arrays, Solar Invertors, Solar Heaters, Solar Batteries and after Generating DC Power Convert into AC Power measurement like Voltage, Current, Power, Energy, Import/ Export Energy, Harmonics etc also available instruments in the industry.

Metering industry has solution for following parameters measurement: To check the efficiency of Solar Cells / Modules / Panels with Solar Module Analyzers. To know the efficiency of solar panels it is

important to measure parameters like Voc-Open circuit voltage, IscShort circuit current, Vmax- Maximum Voltage, Imax- Maximum Current, Pmax- Maximum power with I-V Curve test at Standard Test Conditions or Peak Power Output.

To check the Solar Arrays / Strings (Number of panels in Series or Parallel) with Solar System Analyzers. To check the efficiency of solar system, in addition to the above mentioned parameters, its important to have temperature measurement, Irradiance Measurement of sun light, Series Resistance of Solar Panels.

Provide operating Condition (OPC) and Standard Test Condition (STC) test reports for Verification of solar panel Performance (OK or NO OK) with power clamps ( AC & DC) continuously measure

Solar System with Panels and Inverter

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ii Phase Angle & Phasor Angle Measurement ii Measurement of Min. & Max. Voltage & Current Values ii RUN Hours, ON Hours & Set date & Time ii RS 485 port with power master software ■

/ monitor / record the DC power output of Solar Systems and the AC power output of inverter (1 Ph. Or balanced 3 Ph); calculate the efficiency of DC to AC Power Conversation and the efficiency of the max output power.

To check the Irradiation Power in watt / m2 and Tilt Angle Measurement with Solar Power Meter.

Solar Power Measurements with Orientation and Tilt Angle. In Industry Solar Power Measurement Range is available up to 2000 W/m2. Easy Measurement for rate of daylight Penetration, Auto Change for measuring range, Instantaneous, Average, Min/max values, Data Hold with Low battery Indicator. Meters have facility of Socket of Tripod Mounting.

To check the AC Power & Energy (1 ph. As well as 3 ph. Load) generated from solar power. We can check with 3 phase Multifunction power & Energy Meter with M.D. & T.H.D – TRMS.

ii TRMS Measurement ii 23 Parameters on 46 Pages ii 3 Phase 3 wire / 3 Phase 4 Wire Systems (User Selectable) ii Programmable CTR, PTR, Instrument Address, Password & MD Period. ii Energy Import / Export ( 4 Quadrant Operations) ii Energy Retention & Password Protected Energy Reset Facility ii Max. Demand for KW or KVA with user Selectable Demand Interval 5-30 Minutes ii THD for Voltage & Current

Prashant Thakkar is Manager – Solar Products, MECO instruments Private Ltd. For more information related to the products get in touch with him at prashant.thakkar@ mecoinst.com/ 022 – 27673300

35

Sept 2016 SmartEnergy

Energy Storage

Microcell TM Carbon Foam (MCF) Batteries for Photovoltaic Application

T

echnology improvement and infrastructure development has to go hand in hand for the betterment of a nation’s economy. Both have to complement each other in order to strive for a better tomorrow.

Today we have been hearing and reading how fast the solar energy harvesting is growing or any renewable energy. But when it comes to energy storage we still rely on same old lead acid batteries. It is been more than 160 years since the advent of lead acid batteries and it remains as the safest and the proven chemistry with a limitation in life. When it comes to lithium ion battery, we are limited in terms of cost and chemistry.

Firefly Microcell TM Carbon Foam (MCF) batteries offers a revolutionary new pathway to tap into the vast new global market for energy storage. Validated by demanding customers and third party testing, this product is commercially available worldwide. Its price and performance overcome the current barriers and offer a practical pathway to accelerate the explosive growth experienced by the global energy storage market.

MCF Batteries offer 2-3 times the life and lower life cycle cost compared to current Deep Cycle Lead Acid batteries. It is compatible with legacy battery management systems and can be recycled within the existing infrastructure.

36 SmartEnergy Sept 2016

Firefly Batteries offers equal or superior performance compared to new and emerging battery technologies such as Li-Ion, Lead Carbon and Ultra-cap batteries at a fraction of the cost.

History of Firefly MCF batteries Firefly’s revolutionary battery technology was born in the Research and Development laboratory of Caterpillar, Inc., a worldrenowned manufacturer of heavy equipment.

Caterpillar has long been a consumer of batteries for its many heavy equipment products. These equipment, by their very nature, put a severe strain on the batteries. Hot and cold extreme temperatures, severe vibrations and prolonged periods of disuse are standard operating conditions for these heavy equipment. Caterpillar found that normal lead-acid batteries could not withstand this strain and with a new corpo-

rate focus on improving the performance and longevity of the batteries turned over this issue to their R&D arm who came up with Microcell Carbon Foam as the solution. This technology has been patented and allows for the exploitation of existing lead-acid chemistry to a much higher level and compete head-on with other advanced battery technologies, including the Lithium batteries.

These batteries offer much higher efficiency and cycle life which in turn brings down the cost of ownership to a large degree.

Lead Acid Battery Failure Modes To make an advance in battery technology that goes beyond evolutionary engineering Improvements requires a paradigm shift to new materials and/ or new processes. Some of the common failure modes found in the lead acid batteries are shown below.

Figure 1.failure modes of lead acid battery

corroded positive grid from a conventional lead acid battery

Corrosion

Shedding

Sulfation

 www.supersmartenergy.com

Why carbon foam technology?

The signal advantage of Firefly’s Microcell™ technology is that it fundamentally changes the distribution of active materials within the lead acid cell due to its unique architecture. Overall, the Firefly composite foam electrode structure results in are distribution of electrolyte from the smaller separator reservoir to the pores of the foam plate(s), resulting in a 70/30 to 30/70% reversal, respectively, relative to conventional lead acid products. Each foam plate contains hundreds or thousands of spherical microcells (depending on the foam pore diameters). This leads to enhanced active material utilization levels, because each microcell has its full complement of sponge lead or lead dioxide and sulfuric acid electrolyte. Liquid diffusion distances are reduced from the traditional levels of millimetres over linear paths (the conventional “2D” diffusion mechanism found in the lead metal grid-based classic lead acid battery architecture) to

the level of micron diffusion path lengths in the three-dimensional space within the discrete microcells that, collectively comprise a totally new type of electrode structure (what Firefly calls a “3D” electrode). Such a structure results in much higher power and energy delivery and rapid recharge capabilities relative to conventional lead acid products.

Dramatic Cycle Improvements

Life

A full discharge of today’s lead acid battery causes extra strain, and each cycle robs the battery of a small amount of capacity. In leadacid batteries, deeper discharges convert larger amounts of charged active-material into lead sulfate.

Lead sulfate has a significantly larger volume (about 37% more) than the charged material, and this volume change stresses the electrode structures. This expansion induces mechanical forces that deform the grid, and ultimately

result in the lead grid “disappearing” into the paste. The resulting expansion and deformation of the plates also causes active material to separate from the electrodes with a commensurate loss of performance. Additionally, over time, sulfate crystals can grow together, resulting in large lead sulfate crystals that are difficult or impossible to convert back into the charged state. This wear-down characteristic also applies to other battery

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Sept 2016 SmartEnergy

Energy Storage chemistries in varying degrees. To prevent the battery from being stressed through repetitive deep discharge, a larger lead acid battery and shallower discharge is typically recommended. Depending on the depth of discharge and operating temperature, the sealed lead-acid battery provides 200 to 300 discharge/charge cycles. Short cycle life also results from grid corrosion of the positive electrode, which undergoes extensive oxidative stress during extended recharge conditions.

These changes are exacerbated at higher operating temperatures.

In contrast, Firefly’s Microcell™ composite plate technology provides a design which fully accommodates the volume changes of

New Foam

Used Firefly Electrode

the active material during charge and recharge. Within each Firefly plate is contained a full complement of active materials, electrolyte, and volume which will allow complete discharge without causing physical stress on the plate itself. This results in an electrode plate which does not undergo volume change during deep discharges. Firefly’s electrode material is not reactive in the chemistry and so does not corrode. This is in part due to a natural stability of the base material, but is also due to the formation process used which maximizes exposure of the most chemically resistive surfaces and minimizes exposure of chemically less-stable surfaces.

The growth of large sulfate

38 SmartEnergy Sept 2016

crystals is also restricted, resulting in a low incidence of crystals which are too large to recharge.

The strong resistance of Firefly’s electrode material to corrosion also severely reduces the deleterious effects of long recharges.

Because of the removal of grid corrosion as a life-limiting factor, the Firefly approach offers significant improvements over conventional lead-acid technologies in both float and deep-cycle applications.

Cycling in irregular applications such as partial-state-ofcharge (PSOC) regimes used in hybrid vehicles and photovoltaic energy storage are also well suited to 3D technology. This is because the conditions of partial or heavy sulfation of the negative plate – a process that can render present-generation lead acid products unrecoverable – are easily reversed in 3D products, even after long periods of storage. Sulfation reversal is achieved because the nature of the lead sulfate deposits in 3D cells is fundamentally different from those in traditional lead acid cells. In the latter, lead sulfate is deposited on the surfaces of the plates in dense layers of relatively large crystals, somewhat remote from the lead grid members. Because the sponge lead active material in a 3D cell is deposited on the walls of the foam’s many small pores in thin layers, and the surface characteristics of the foam result in relatively low current densities, the lead sulfate depos-

its are comprised of small, porous crystal structures (on the order of 3-10 microns, much smaller than in commercial products) that are easily dissolved on the subsequent recharge. Moreover, these very small crystal sizes grow only slowly over time. A final factor that facilitates recharge is the proximity of the carbon-graphite foam (as well as residual sponge lead) that can act as efficient current-carrying paths during recharge for the small, local deposits of lead sulfate crystals. This resistance to the effects of sulfation make Firefly 3D batteries ideal for seasonal applications where devices and their associated batteries (electric lawn mowers, boats, RVs, motorcycles, etc.) may go unused for months on end, often in a partially or fully discharged state. Conventional batteries are difficult or impossible to recover from these conditions, and are often replaced far short of their potential life span.

With 3D products this problem is greatly reduced.

“The” Photovoltaic energy storage battery: Firefly has designed a 4V 450 Ah battery for energy storage application which overcomes the limitation of grid corrosion, active material shedding and sulfation.

With traditional maintenance free batteries basic building blocks are either 2V or 6V cells. 2V cells presents a its disadvantage with respect to handling and manufacturing where as in 6V, the cell

Figure 2. 4v 450 Ah MCF battery

 www.supersmartenergy.com

in the middle always end up with unequal charging and heating up.

Firefly has found a right balance where the batteries contain 2 cells of 2V each. These batteries use 3D microcell carbon foam technology which counteracts the sulphation of plates.

The MicrocellTM carbon foam uses a porous conductive schema where about 95% pores are interconnected. The surface area of the carbon foam is about 2000 times than that of prismatic plates.

These 4V 450 batteries can be charged with a current of about 0.3C10 (120 A) to 0.5C10 (200 A) with a constant voltage for better results under partial state of charge (PSOC).Under partial state of charge MCF batteries have a unparalleled charge efficiency of >98%.

3D Performance Summary In summary, then, the 3D cell

architecture results in numerous attributes: ii Instantaneous Power (2 hours and faster run-time rates) ii Fast recharge capability ii Continuous power through discharge process ii Recovery to full capacity after off-season storage ii Excellent cold temperature capacity utilization ii High temperature resiliency ii Recovery to full capacity after discharge The remarkable attributes of the composite foam negative electrode noted above make certain applications possible or more favourable, as well as improving many lead acid “weak points” such as sulfation recovery and activematerial utilization limitations.

At slow discharge rates, modest

weight and volume improvements over existing lead-acid products (typically 15-20%) are achievable as well. For faster discharge rate applications (like HEV, Starting or UPS applications), the weight and volume saving can approach 50-75% or more ■

For More Details Contact: Firefly Batteries Private Limited Corporate Office: 199, Neelkanth Bungalows,Near D.P.S.School, Shilaj, Bopal Ahmedabad- 380 058, Gujarat (India)

Factory: Survey No.:61/20, Opp. Supper Gas Plant, Balva Bagodra Highway, Village:Kalyangarh Taluka: Balva, Ahmedabad, Gujarat 382 240 E: contact@fireflybattery.in W: http://www.fireflybattery.in

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Sept 2016 SmartEnergy

Technology Case Study Update

KEMPEGOWDA INTERNATIONAL AIRPORT FIRST AIRPORT IN KARNATAKA TO GO SOLAR Part of larger vision of Sustainability and environmental benefits

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aking a step forward as a part of PMO’s 100 GWp solar target by 2022, Kempegowda International Airport, Bengaluru (also known as Bengaluru International Airport Ltd - BIAL) became the first airport in Karnataka to go solar. 'Sustainable progress' is a thought that sets the direction for the airport. As a role model for sustainable progress, the journey has been marked by measurable achievements and inspiring stories. One such story includes BIAL adopting solar power. It marked a completely new journey for BIAL as it has gone green, without any capital expenditure, while saving electricity costs at the same time.

The Solar Partnership BIAL was actively looking to partner with a solar developer to meet its objective of building a sustainable airport. Around the same time, Solar Energy Corporation of India (SECI) empanelled CleanMax Solar as a channel partner, to help develop solar power plants for government installations.

SECI referred CleanMax Solar to BIAL, talking about CleanMax’ superior quality and quick installation timelines, which laid the

40 SmartEnergy Sept 2016

foundation of a bright journey.

CleanMax has developed the 500 kWp plant, as a part of the commitment and arrangement with SECI.

Capacity: 500 kWp

CleanMax Engineers in terms of limited access to buildings, upper cap on the number of people working on site, restricted movement of material within the premises etc.

CleanMax overcame these challenges by highly efficient workers, who completed the construction within 2 months of signing the Power Purchase Agreement.

Type of system: Mix of RCC and metal roofs

Maximise the potential of rooftop:

Location: Bangalore, Karnataka

Type of modules: Polycrystalline Type of inverters: String Annual generation: 7.5 lacs units annually Carbon dioxide abated: 708 ton kgs annually Date of commissioning: March 2016

Highlights of the Overall Journey of Going Green Developing solar plant at a sensitive location: Airport being a sensitive area (security wise and constant mass movement), required very strict regulations to be followed while working. It posed challenges for

The installation happened at 6 different buildings, a combination of RCC and metal roofs. CleanMax helped them convert their 6000 sq. m. idle rooftop to a moneysaving piece of land by providing complete turnkey solutions.

Going green with immediate reduction in electricity bills: Under our BOO (Build-Own-Operate) model, BIAL saw a reduction in their electricity bills right from the commissioning of the solar plant. BIAL is expected to save more than 20 lac rupees annually.

That’s the cost it is “paying” (read: saving) for going green.

Aesthetically appealing roof with low maintenance: Bangalore airport is known for its  www.supersmartenergy.com

architectural design. The structure creates a grand, dynamic presence and solar power plants seamlessly blend in the grandeur.

They add to the overall aesthetics of the airport and need very little maintenance.

About Bangalore Airport Kempegowda International Airport is an international airport serving Bangalore, the capital of the Indian state of Karnataka. Spread over 4,000 acres, it is located about 40 kilometres north of the city near the village of Devanahalli. It is owned and operated by Bangalore International Airport Limited (BIAL), a public–private consortium. The airport opened in May 2008 as an alternative to increased congestion at HAL Airport, the original primary commercial airport serving the city. It is named after Kempe Gowda I, the founder of

Metric

Equivalent

Unit

CO2 emissions offset

708

ton

Cars taken off the road

208

Nos

Diesel use avoided

18,75,000

litres

Average Indian homes powered

850

Nos

Bangalore.

About CleanMax Solar Founded in 2011, CleanMax Solar is India’s largest provider of solar power to corporate consumers with 45 MWp installation in more than 75 projects. CleanMax Solar provides solar power to MNCs and

large corporate across the country, helping them to reduce power cost and carbon footprint without incurring any upfront cost.

Headed by Managing Director, Mr. Kuldeep Jain, CleanMax Solar has a national presence and five offices across India ■

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Sept 2016 SmartEnergy

Cover Story

STALWARTS OF THE INDIAN SOLAR SECTOR AN INSIGHT ON THE 5 COMPANIES CONTRIBUTING TO THE GROWTH OF SOLAR SECTOR IN INDIA

India is set to become the 4th largest solar market globally in 2016 behind only to China, USA and Japan thanks to the government’s thrust on significantly enhancing the installed solar capacity to 100 GW by 2022. India has witnessed record capacity addition of around 3 GW in FY16, 1 GW in Q1FY17 and bids of around 6 GW awarded over the last 6 months or so. The sector is witnessing increased participation from large overseas investors as well as developers. Decline in solar PV project costs and entry of various players has led to significant increase in competition which has led to significant decline in solar tariffs as visible from the trends in the completed bids over the last 9-12 months.

Weighted average tariff for the bids which came up during FY16 stood at Rs.5.26/unit may decline further to around Rs.4.5-4.8/unit in FY17, with increased competitive intensity and decline in costs. The ability to manage cost efficiently, secure longer tenure and cheaper debt are the key factors which will have bearing on the bids, returns and viability of the projects.

Here Anisha Ganguli speaks to the respective heads of the five solar companies ACME Cleantech Solutions, Hitachi Hi-Rel, Trina Solar, Vikram Solar and First Solar and profiles these companies in depth, detailing their ambitions, goals, challenges faced and their success stories.

42 SmartEnergy Sept 2016

 www.supersmartenergy.com

VIKRAM SOLAR

Delivering Comprehensive Energy Solutions Globally With an international presence in 4 continents, Vikram Solar is an active contributor in shaping the solar revolution. Under the dynamic and visionary leadership of Gyanesh Chaudhary, Managing Director and CEO, Vikram Solar the company is set to expand beyond boundaries.

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ich legacy and extensive manufacturing experience of the Vikram Group has imbued Vikram Solar to offer quality solutions contributing to global solar revolution since 2006. Vikram Solar was born with the idea that solar energy is not just an option anymore; it is a necessity to protect our environment and satisfy the growing energy consumption rate. With this core value, Vikram Solar manufactures high quality solar modules and contributes to the global energy shift. The journey of this Indian company gone global has been very interesting and inspiring. Vikram Solar was established in 2006. Within just three years, in 2009 they made their first mark in international solar industry and established an office in Germany- Vikram Solar GmbH. In 2010, Vikram Solar stepped in international EPC business to deliver comprehensive energy solutions globally.

Year 2011 saw them installing a total of 3 MW solar generation capacities in India. In 2013 they contributed to the solarisation of the world’s first fully solarized airport Cochin International Airport, Kerala, India. They also installed utility scale 40 MW power plants in Rajasthan that year. In 2014 they offered India its very first floating solar panel in West Bengal, introducing the idea of utilizing water bodies to harvest solar energy in wake of ever-decreasing land availability. In 2015, they success-

fully completed India’s largest airport rooftop solar installation at Netaji Subhash Chandra Bose International Airport, Kolkata and in the same year, they reached 0.5 GW annual PV module production capacities and announced a 2 GW by FY 2020 manufacturing capacity goal. Being awarded the National Excellence Awards from MNRE in 2016 as a domestic solar module manufacturer is a testimony of their hard work.

Vikram Solar manufactures quality solar PV modules ranging from 10 Wp to 345 Wp. Their standard product range is divided in three tiers- 72 Poly cell module, 60 Poly cell modules, 36/18 Poly cell module. Their manufacturing capacity stands at 0.5 GW today and they are also a comprehensive solar EPC solutions provider, with an installed capacity of over 130 MW in India. Vikram Solar is a firm believer of quality research.

They have invested more than INR 100 million in Research & Development and product certifications.

Through their research, they saw some distinctions in preferences and requirements for solar modules around the world. Hence they decided to cater all of these preferences, thus developing diverse products to drive both volume and margin.

To cater to the highly demanding Indian solar energy sector, Vikram Solar has already initiated the expansion of their second

» Sept 2016 SmartEnergy 43

Cover Story

The 2 MW Rooftop Solar Plant at Netaji Subhash Chandra Bose International Airport, Kolkata manufacturing facility in Falta, West Bengal. Their new facility is being equipped with latest equipment and machinery to enhance the efficiency in manufacturing modules. This will allow them to reach their 1 GW annual manufacturing capacity goal in a compressed time frame.

Presently Vikram Group has presence in 32 countries and has entered into technology and infrastructure collaborations with Fraunhofer ISE in Germany, Meyer Berger, Centrotherm and they are also a part of HDPV Alliance, in USA. These collaborations will bring innovations in module manufacturing through research and knowledge sharing.

Gyanesh Chaudhary asserts that it is not just the quality that has made them an industry leader but their responsible and dynamic team members.

The team maintains precision in project completion timelines and execution guidelines. They are stickler about meeting industry standard protocols. Plus, he also attribute their success to state of art modern manufacturing facilities. Stringent supplier evaluation processes help them to buy quality products and manufacture best in class modules.

As a domestic manufacturer, Vikram Solar is focusing on sustainability in Indian solar growth.

44 SmartEnergy Sept 2016

But Gyanesh Chaudhary is worried that low bids might increase the access of low quality imported modules in the industry (as India doesn’t have a uniform law against dumping). He believes that India should focus on long term sustainability of solar energy generation (which low quality modules are unable to provide) and development of domestic manufacturing capacity, rather than reducing bid prices any lower. He also believes that there are certain issues that Government needs to address first. Land scarcity, lack of closer industry-government cooperation, slow skill development, complexity of subsidy structures, delays in land acquiring processes, and lack of safe guards against solar equipment (module) dumping are few of these issues that are slowing down the growth of solar in India.

Gyanesh Chaudhary suggests that to remedy these problems, Government should invest in creating land banks, making it easier for the companies to build factories. Although, Government is welcoming suggestions from private companies to improve its solar development strategies, more active involvement from both parties are required. Today there are skill development campaigns in India like ‘Suryamitra Skill Development Programme’, but we need more industrial training institutions to see Prime Minister Shri

Narendra Modi’s dream of creating 50,000 skilled solar workers into fruition. A uniform policy structure for subsidies can also help domestic manufacturers and encourage new entrepreneurs to build solar companies.

Nonetheless he is very optimistic about the Government backed policies, regulations, and initiatives.

As solar industry is dynamic in nature new challenges appear frequently. Intensifying global competition can be identified as the biggest challenge for Indian solar entities. But, Vikram Solar doesn’t see it as challenge, they see it as an opportunity to grow with the global solar industry.

Their dynamic team and stringent quality maintenance standards support them in claiming a bigger share in Industry in the coming years. They have implemented a structured workflow and practice industry accepted protocols.

Vikram Solar use their hands on experience in handling projectsof different design and stature to ensure their clients uninterrupted execution. They focus on timely delivery and have a strong track record that shows their commitment to quality ■

 www.supersmartenergy.com

ACME Cleantech Solutions Private Limited

Delivering on the promise of Clean Energy Innovation is etched in the ethos of ACME and Manoj Kumar Upadhyay- Founder, Chairman and Managing Director, ACME Group with several patents to his credit has successfully established ACME Group as a leading energy solution provider in India and Africa.

O

n May 6th 2016, Renewable energy firm ACME won bids for developing 200 mw solar power projects under auctions conducted

by SECI and NTPCBSE in Andhra Pradesh and Telangana. ACME won the largest share of 150 mw out of 400 mw at fixed tariff of Rs 4.43 per unit in addition to Viability Gap Fund of Rs 55 lakh per mw. The bagging of this tender, expands the overall portfolio of ACME Solar to 1654 MW and growing. This achievement should not be viewed lightly by any means, ACME reached this incredible height under the guidance of its founder, Mr. Manoj Kumar Upadhyay in mere 14 years. This is the story of ACME’s journey to the top.

ACME Group is a leader in the field of clean energy with opera-

tions in solar power generation, lithium-ion based energy storage solutions and energy management of telecom towers in India.

The company prides itself as a pioneer in the development of green technology solutions that are environment friendly, energy efficient, & cost effective. Mr. Upadhyay , established ACME to provide radically new technology solutions through intensive research and development in a market where it is common to just introduce new solutions by making incremental changes to existing technologies.

His visions have transitioned ACME to a leading solar power developer in India with an increasing global footprint.

As of today ACME’s commissioned project stands at 700 MW DC and is committed to develop

7500 Mega Watt (MW) of Renewable Energy Projects during the five year period of 2015-19. Besides generating 12000 Million Units of green and clean power annually, these projects will also create employment for around 4000 persons, directly and indirectly and prevent Carbon Emissions of around 10000 MT per year. ACME highly regards being an early entrant in the Indian solar sector helped to achieve its planned growth. The large knowledge base accumulated over the years significantly help ACME to introduce disruptive solutions, thus shaking up the sector by implementing many new initiatives first time at large scale in India.

ACME mainly attributes its success to factors such as: ii Design: Its PV plants have been designed with optimum design engineering. The PV modules and Inverters are chosen of Tier 1 Manufacturers having global foot prints with financially sound balance sheet. Detailed technical and commercial diligence is prepared of similar specification of products from other Manufacturers. ii Vendor Management: Majority of the BOS items are sourced through the competent suppliers and deployment is done through the vendors who have pan presence in India and established credentials in their field of competency .The installation team, suppliers / vendors are provided

» Sept 2016 SmartEnergy 45

Cover Story with necessary training to impart skill set as per the project need and design philosophy. ii Effective Management: The entire supply and deployment arrangement is planned and monitored at very minute level on daily basis. ii Innovative Solutions: Seasonal PV module tracking arrangements have helped to reduce the DC capacity for about 10 % along with reducing BOS cost. Selection of the project locations near to GSS has reduced the Transmission line length and losses in account to power transmission. Implementation of Pooling Substation arrangement has helped to avoid the need of multiple bay requirements at GSS end, thus reducing multiple transmission lines with towers and also multiple project consolidated in a single location

on Lithium-ion Technology. These solutions are viewed as a game changer in the energy sector as the conventional technologies are highly polluting as they are based on Lead Acid & Diesel consumption. Energy Storage is also one of the key focus areas of ACME and they are developing various customized solutions to meet application specific requirements.

Further, the company is working towards building a new generation utility based on natural resources where power is generated & distributed based on consumption and behaviour of society.

The Indian solar sector is going through a very interesting transient phase and as the sector is getting more competitive, with aggressive bids quoted, there is a general fear in the actual realization of these prices. However Mr. Upadhay is very optimistic and believes we should not get carried away with such numbers.

Through such innovative and disruptive ideas, ACME has been at the forefront of the solar sector Nonetheless, he does identifies scenario in the country by leadthat there are some issues which ing at the competitive bids at the are impending the growth of Central Government and the sector and the State Governhence require ment led bids, immediate which translates attention. to cost effective One of the power to the main conend consumcerns are the ers. The awards stipulated won over the timelines of years namely commissionIndia Solar Week ing in the PPA. Excellence 2016 As such these Awards, CBIP timelines are Awards, Renewvery aggresable Energy sive. Most of India Award the projects 2015, Global needs to Solar Energy be commisAward 2014 sioned within are a testaEcoGrid - India’s first Lithium-Ion 12-15 months ment to its based Energy Storage System of signing the success.

PPA. Many real In last four concerns are not years, ACME has been focus- taken into consideration such as ing on building new generation Solar Power Plants are land intrinutility using solar energy and sic projects and require mostly energy storage solution based rural wasteland. Whereas, data

46 SmartEnergy Sept 2016

of most of the rural have not been updated in the revenue records.

In view of this, land acquisition becomes a huge challenge.

Second, availability of the lender. Most of the lenders in this sector are Public Sector lenders who are attuned to lending large thermal power projects.

Financial closure of conventional power project, wherein gestation period is around 3-4 years, can be achieved over the horizon of 12-14 months and disbursement thereafter. However, financial closing of Solar Power Projects needs to be achieved within 3-5 months to enable the project commissioned within 12-15 months as per the PPA. Mr. Upadhay also adds that the biggest challenge for the industry in general is to manage the evacuation of the renewable plants, which is intermittent in nature. The kind of volumes getting added into the grid, grid safety would be of paramount importance. Therefore, the scheduling also needs to be as accurate as possible.

Granting all these issues, Mr. Upadhyay adds that the intent of Government of India is very clear and the kind of support which this sector has been receiving is phenomenal and the thrust is not only on the policy framework but also on the implementation.

Innovation is etched in the ethos of ACME, it strives to provide sustainable solutions in Energy Conservation, Energy Management, Energy Generation and Energy Storage. Against many odds, ACME has led the Indian solar by focusing on green technology and needs of the society and hence coming out with indigenous solutions to cater to these needs ■

 www.supersmartenergy.com

First Solar

Taking Energy Forward An Industry Veteran, strategist and guiding force behind the success of First Solar in India Sujoy Ghosh, Country Head, First Solar India looks forward to continuing to grow the thin film solar energy market within India.

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n 10th August , First Solar announced that it has successfully connected 130 mw solar power utility to the national grid as it commenced the commercial operations of two of its units at Andhra Pradesh (80 megawatt) and Telangana (50 megawatt). These projects are part of the 260MW project portfolio wholly owned by First Solar in India. The 130 megawatt plants collectively will produce enough energy to power approximately 227,500 average homes in India, and will displace over 204,000 metric tons of carbon dioxide per year. The project will be powered by more than 1.4 million First Solar modules, offering highly predictable energy in all climates and applications. First Solar has been present in India since 2011 and has hence flourished under the leadership of Sujoy Ghosh, Country Head, First Solar India. Their primary business activities include sale of modules to 3rd parties and development of utility scale PV solar assets. Their main areas of operations are in the states of Telengana, Andhra Pradesh and Karnataka.

Presently India is the key strategic markets for many global companies. The opening of the solar sector in India, motivated the USbased solar energy panel maker First Solar to embrace the Indian market. First Solar was the first global entrant in the Indian market since the inception of the National Solar Mission in 2011 .Consistently since December of 2011 to till date, First Solar has the highest market share in India amongst all PV manufacturers and this

demonstrates the suitability and competitiveness of its CdTe module technology for Indian conditions. First Solar has become the first thin film PV modules manufacturer to ship 1 GW (DC) of PV solar capacity to India.

The growth of thin film technology in India is highly beneficial for the region.

Thin film modules today have higher conversion efficiency and require less land per MW, compared to polysilicon-based modules. In fact, First Solar’s technology advantage is particularly pronounced in the hot and humid climate of India. Based on the past 3-4 years of data from an installed base of 1 GW of First Solar’s technology installations in India, there is clear evidence that First Solar’s CdTe based thin film modules produce 5-9% higher energy for the same installed capacity as compared to silicon based modules. The reason is that CdTe as a semiconductor material degrades at a significantly lower rate on temperature rise as compared to silicon. Further CdTe responds better under diffused light conditions and is agnostic to shift in the spectrum of light caused

by humidity in the atmosphere, unlike silicon where the performance drops under these conditions from their rated efficiency.

First Solar continuously tries to optimize the tariff of the solar power plant to make it even more compelling for the consumer to opt for a higher degree of solar energy as part of their overall energy entitlement. The company attributes this to its adoption of technology that is continuously improving the energy yield and long term reliability of the CdTe modules. Also as a developer, their goal has been to bring lower cost of capital to the projects by mitigating the prediction, construction and financing risks and deliver a competitive cost to the

» Sept 2016 SmartEnergy 47

Cover Story provided to the developers. Investment hurdle rates differ in various organizations depending on (a) their risk perception of the various factors that influence the investment and (b) their internal cost of capital. In Mr. Ghosh’s opinion, at the prevailing tariffs the levered pre-tax return on equity is in low teens. He adds that if the companies are willing to invest at those hurdle rates, and have access to lower cost capital, then we would see more capacity being created in India driving overall demand growth for Solar PV. consumer.

First Solar credits its success and growth to (a) supporting developers in Indian market with their module technology and other services and (b) investing their own capital to develop utility scale PV power plants.

The utility scale solar market in India has grown exponentially in the past few years. Sujoy Ghosh, is very optimistic about the growth

opportunity in India .He believes that First solar would continue to do well in the coming years due to various factors namely (a) a demand for solar energy which is unsubsidized and is driven by fundamental economic activity (b) a very transparent and open market mechanism (c) higher energy yield demonstrated by CdTe module.

However Mr. Ghosh believes one of the challenges impending the growth is the cost of capital

Given the energy deficit, need for energy security and the sustained economic growth, the potential clearly exists for 100GW of solar PV in India. This represents a significant market opportunity for First Solar to provide thin film module technology and services to other developers as well as invest into development of solar PV projects to create and derisk assets which can be offered to investors seeking predictable long term returns ■

Trina Solar

Committed to Provide best solutions to the Customers Within a short period of time Trina Solar has cemented its position as a leading crystalline silicon (c-Si) module manufacturer and supplier in India. Leading from the front is Gaurav Mathur, Director of Sales, Trina Solar working diligently to further expand and diversify the client base and strengthen the company’s foothold in all segmented markets.

T

rina Solar is not only a pioneer of China's PV industry, but has become an influential shaper of the global solar industry and a leader in solar modules, solutions and services.

Trina Solar has been supplying solar PV to India since 2010, and shipped over 1 gigawatt (gw)

48 SmartEnergy Sept 2016

cumulatively as of March 2016.

Indian solar energy sector is in the middle of unprecedented growth, fed by rapidly declining tariffs, improved technology and a global oversupply of photovoltaic (PV) panels, to achieve high growth in this competitive field is no less than a challenge and Trina

Solar has surpassed it with flying colours.

Trina’s India HQ office is located in New Delhi, with a present team of 10 employees. The Indian team provides reliable and timely services and supports, to their customers. Trina’s product offerings cater to diverse needs of the solar  www.supersmartenergy.com

market and can be used in residential, commercial and large scale utility segments. In India the main product segments are large scale utility sector of ground mounted projects, which they mainly supply with their flagship Poly products.

The company is also seeing the new potential of the Rooftop solar market in India and are supplying even the smallest quantities for the rooftop customer. This year they are expecting a lot of rooftop installations in India and they are prepared for the rooftop boom.

Trina believes in product innovations and is continuously looking deeper at climates in different parts of the country to create products suitable for each climate.

Gaurav Mathur, Director of Sales at Trina Solar tells, "Our speciality lies in making sure all the products provided to India are of the same quality and fit in the special environment category.

Despite the price competitiveness of the market, Trina stands up in this market by strengthening on value added services to customers, and building long term relationship and commitment in each of their partnership with local developers and EPCs".

Relative to industry peers, Trina products have a strong track record of reliability and performance in the field. Quality control and monitoring is taken at every step from silicon crystallization to module deployment. It offers as 25-year industry leading warranty. With over 30 in-house tests and a state of the art research and development lab, Trina goes beyond requirements to deliver the highest quality product and solutions to its customers. Backed by state of the art facility, the Trina State Key Laboratory is designed to foster technological innovations and drive PV technologies.

Trina views the domestic content requirement of India positively. They understand and support the government’s initiatives on “Make in India”, and build up local supply chain capabilities in

the next 1-2 years, and the objectives behind the domestic content requirement at the initial stage of the industry build-up. In the long run, Trina believes in globalization advantages and competitiveness in innovation, cost and efficiency that is definitely enabled by free trade environment.

"This would create a more competitive and sustainable ecosystem in India, which Trina is actively looking into the opportunities to engage in" adds Gaurav Mathur.

However, he also believes that there are certain challenges that need to be overcome in the Indian solar sector. The challenge is to continuously invest in R&D and technology innovation to increase efficiency and product quality and reliability, which requires more money, while at the same time there is a need to reduce cost, without compromising on quality, and bring more economic savings to the market while increasing

the manufacturing efficiency and capacity to meet the growth of markets and demands.

One way to ensure low tariffs, Trina is looking at ways to drive down costs and the component level and improving manufacturing efficiency while diversifying their manufacturing and supply chain to go beyond China.

Trina is presently looking at a manufacturing possibility in India.

On January 12th, 2016, Trina held the foundation stone laying ceremony for the first manufacturing base in Andhra Pradesh. Currently, they are doing a feasibility study, cost analysis and reviewing the demand situation in India.

They need to look at total supply chain solution to keep manufacturing costs down to be as cost competitive as Chinese made panels, to meet the price target of the market, and need to be cautious to ensure the viability of the

» Sept 2016 SmartEnergy 49

Cover Story financials, and not to build panels at a cost that Indian customers and the industry could not absorb.

Trina Solar has an excellent track record of corporate social responsibility. It has been ranked No. 1 globally for environmental and social performance in the Silicon Valley Toxics Coalition's (SVTC) 2014 Solar Scorecard. As recognition of their leading position in the industry on sustainability and strength of its way of doing business, Trina has been named World’s Most Bankable PV Module Manufacturer by Bloomberg New Energy Finance. Below are some of the achievements and awards that they have received recently: 1) Trina Solar Achieves Average Efficiency of 20.16% for Industrially-Produced Multi-crystalline Silicon PERC Cells and 18.7% for Commercially-Produced Multicrystalline Silicon DP Cells 2) Trina Solar Selected to Top 100 Global Challengers List by BCG for the Second Consecutive Time 3) Trina Solar's Chief Scientist Dr. Pierre Verlinden Receives William R. Cherry Award 4) Trina Solar Awarded a Silver Rating in EcoVadis CSR Survey Trina attributes all its success to its employees. They deeply believe that their values are rooted in their employees’ recognition and hard work.

Gaurav Mathur elaborates, "Trina Solar places high importance on employees’ communication, engagement and involve-

50 SmartEnergy Sept 2016

ment in the achievement of the company’s goals and objectives.

Hence they commit themselves to create a safe and healthy working environment by providing the employees with a competitive payroll, good welfare system, professional training and opportunities for valuable career development".

upon their existing sales network to strengthen their footholds in all segmented markets, while contributing to greenhouse gas emission reductions in India. As a supplier, Trina is working hard to ensure that they provide the best solution for their customers ■

As the upward trend in solar demand continues, India will remain as one of the most important markets for Trina in global scale and integral part of their expansion strategy in Asia.

They are working diligently to further expand and diversify their client base in the broader region based

 www.supersmartenergy.com

Hitachi Hi-Rel Power Electronics Pvt. Ltd

Leading Technology, Strong Brand Name & Superior Products Hitachi Hi-Rel Power Electronics (HHPE), a 100% Hitachi Group Company, is recognized as a Pioneer in Power Electronics. Under the leadership of Dr. Kazuhiro Imaie, Managing Director, Hitachi Hi-Rel the company is on its way to the next level of success.

I

n October 2015, Japanese major Hitachi made Hitachi Hi-Rel Power Electronics (HHPE) it’s wholly-owned subsidiary. This was done to cater to huge demand for Power Electronics products which is expected to increase in keeping with the development of various industries in India and Southeast Asia as well as the recent rapid growth of renewable energy market worldwide. In this backdrop, Hitachi decided to take direct control of Hitachi Hi-Rel operations and to reinforce Power Electronics business through increasing product competitiveness and expanding application fields by enhancing Hitachi HiRel's R&D, design, and manufacturing structures with making full use of the Hitachi Group's sales and service network. Hitachi Hi-Rel Power Electronics, which is now a 100% Hitachi Group Company and is recognized as a Pioneer in Power Electronics, and is on its way to the next level of success.

Having more than 3 decades of experience, Hitachi Hi-Rel Power Electronics has garnered a significant level of trust in the market segment and continue to offer world class power electronics products, value added services & customized solutions at Hitachi Quality. The vision of the company is to be recognized as the most trusted power electronics company by supplying superior

products and services.

Hitachi Hi-Rel is offering highly optimized energy solutions based on Hitachi technology. For Solar, they offer Grid Tied Solar Inverters (HIVERTER NP 201i) which is available from 250 kW to 1.25 MW capacities. With 3 level IGBT technology and wider MPPT range, Hitachi Hi-Rel Solar Inverters are delivering considerably high reliability and maximum power generation. In fact Hitachi 1.25 MW Solar Inverter is among the most

popular Grid Tied Solar Inverters currently in India for its various technical advantages and major saving in EBOP. The performance of these Inverters is definitely good, giving excellent generation.

Currently Hitachi Hi-Rel has installation base of more than a 1 GW in India and installed around 962 Inverters units at different sites (65 locations) at all terrains. In last financial year, Hitachi Hi-Rel has worked on a mile stone project in

» Sept 2016 SmartEnergy 51

Cover Story country and supplied Solar Inverters for 150 MW NTPC Ananthpur project through EPCs & successfully commissioned within time frame. This was the first solar plant of NTPC under UMPP scheme.

For Solar, presently, Hitachi Hi-Rel is operating on its maximum manufacturing capacity (150 MW / month). To cater to high demand Hitachi Hi-Rel built up an ultra-modern Sanand Manufacturing Works Spread over 26,000 Sq mtr. Modelled on Hitachi’s Omika Works in Japan, this is one of the most modern power electronics manufacturing facilities in India.

They also have further expansion plans in place and their production capacity for both Center Inverters and Variable Frequency Drives would be double in next year.

“Hitachi Hi-Rel Power Electronics is a key hub for both Manufacturing as well as Research & Development within the Power Electronics division of Hitachi Group and we leverage it to drive Innovation and Growth. This geographical advantage, value added solutions and technological leadership help us in serving the customers in India and across the globe – USA, Africa, Middle East, South East Asia and Australia” said Dr. Kazuhiro Imaie, Managing Director, Hitachi Hi-Rel Power Electronics Pvt. Ltd. HHPE believes that success lies in the success of its valued customers, strategic partners, business

52 SmartEnergy Sept 2016

a s s o ciates and employees. They attribute their achievement by working together in a cohesive and vibrant environment. HHPE does not only want to lead from the front, but also would like to lead by setting examples – be it by offering stateof-the-art products, well-timed services and through happy and content employees.

Hitachi Hi-Rel is pleased with the fact that they are contributing to the “Make in India” initiative of the Govt. of India since 2011, much before its launch. However the company did experience some challenges initially in terms of Inverters breakdown due to differences in Installation practices followed in India. Nonetheless they have overcome this challenge and introduced some minor changes in new systems to cater to Indian requirements.

Looking ahead, HHPE is very optimistic about a historically strong year in Indian Solar Market,

State Policies, UMPP and SECI projects. HHPE is confident that, with their leading technology, strong brand name & superior products, they will further solidify their market leading position. HHPE has experienced truly unique achievement – a much deserved entry into 1000 MW Club. They are poised to achieve even bigger targets (1.5 GW) leveraging the experience gained in past.

With expertise, experience and an efficient product line, HHPE will always try to be a leader in power electronics sector. They strongly hold to their value – Customer Delight, which encourages them to realize their customer’s expectations and to serve them better - All Time, Every Time ■

 www.supersmartenergy.com

India's Largest Exhibition and Conference for the Solar Industry Bombay Exhibition Centre, Hall 1, Mumbai Network with over 11,000 potential business contacts from the solar industry Stay up to date with the latest trends and technological developments Boost your brand visibility with an established B2B event

with special exhibitions

53â&#x20AC;&#x201A;

Sept 2016 SmartEnergyâ&#x20AC;&#x201A;

In Focus

Get More From Your Wind Turbines

Wind turbine retrofit solutions by DEIF

Why Retrofit - The Current Scenario Over the last three decades, thousands of wind turbines of all sizes have been installed worldwide and most of them are still operational today. The number of out-of-warranty wind turbines in operation is rising and there are many wind turbines in India that have been running for more than a decade. It has become a gigantic task for the wind farm owners to maintain the recurrent failing turbines with no or little support from the OEMs. This eventually results in lost revenue as the turbines are non-operational for most of the year, including the high wind season.

Older control systems might result in less reliable functioning and reduced operating efficiency. Owners do not believe they are getting the most out of their turbines, so they are looking to improve their existing fleet.

Another reason is that the owners of older turbines no longer have the spare parts available for replacement of these parts with more modern components before something breaks and they are unable to fix it.

DEIF’s Answer to the Challenge

54 SmartEnergy Sept 2016

DEIF presents the wind farm owners with a less risky and less capital-demanding option of upgrading their existing wind turbines through retrofitting solutions to perform as effective as new. Retrofitting key components is a cheaper option than replacing the entire turbine. DEIF’s advanced retrofitting solutions are a boon to the wind farm owners who are struggling to raise finances for new projects, or want to avoid the risk of major investment in an uncertain economy.

By upgrading to DEIF’s state-ofthe-art technology, the turbine’s efficiency and performance will improve, which cuts maintenance and running costs by keeping them low over the long term. The turbine owner gains additional revenue against a fraction of the cost of investing in retrofitting solutions.

Wind Turbine technologies have evolved tremendously and the possibilities for retrofitting older turbines is now both financially and service wise more attractive than ever. By retrofitting older turbines with DEIF’s improved control automation technologies; there is now a secure, cost effective and simple way of extending older turbine’s productive life span and keeping them running on site.

How Do We Do It? The best way to optimize production from old wind turbines and reduce service/maintenance costs is to analyse the wind turbine condition and take necessary measures for improvement. The turbine’s operational life can be extended by upgrading critical components. DEIF inspects and analyses your existing turbine to produce a report detailing the condition of various parts of your turbine, bypassed protections, earthing etc. Based on this report, DEIF offers solutions that are required to transform your nonperforming/low performing assets into a profitable business entity. DEIF also recommends changes in the existing system that is outside DEIF’s scope.

DEIF’s solution can be easily interfaced into the existing user interface. Flexible and reliable control solutions being our strength, we deliver everything from complete turnkey solutions to individual components. DEIF’s retrofit solution and the scope of work viz. wiring, installation, training etc. is tailor-made according to your needs. At DEIF, we continuously strive to improve the performance of the wind turbines and make necessary upgrades to the application and embedded  www.supersmartenergy.com

Advanced Wind Turbine Controller, AWC 400 software. As a customer you also benefit by receiving free software updates in future as well.

DEIF’s Retrofit Solution Package Includes: Advanced Wind Turbine Controller, AWC 400 DEIF’s Control Systems are can improve wind turbine power performance in all stages of a wind turbine’s life cycle. Software updates keep the turbine’s controls up-to-date and efficient. Both new and old installations can be optimized and tuned, and new features can be added in retrospect according to need and site conditions. Smarter controlling can increase overall energy efficiency, and lessen loads and reduce wear of mechanical systems by giving accurate signals to the major components used in the turbine.

Thyristor Control Module, TCM-2

Based on a modular rack concept, the AWC series provides compact, flexible and servicefriendly solutions – right from simple plug-and-play rack modules to cabling fitted with pluggable connectors. The AWC series is designed and constructed to meet the strict requirements for maritime use which exceed industrial norms by far.

Thyristor Control Module, TCM-2 The new generation of DEIF’s Thyristor Control Module, the TCM-2, has been designed for heavy duty operation in the harshest of environments, and can typically be applied as a soft starter for asynchronous motors and generators, cut-in-controller for asynchronous wind/water turbine generators or 3-phase solid state relay for capacitive loads.

ii Smooth cut in module ii Improves drive train, thyristor’s life by giving accurate signals ii Suitable for both single & dual generator ii Easy parameter adjustment through advanced HMI Advanced Graphical Interface, AGI 300 DEIF’s HMI touch panel, the AGI 300 series is available in the sizes, 7” and 10 .4”. The AGI 300 series are compatible with the AWC series controller. The AGI 300 series can be used with the DEIF graphical interface and give a very precise user interaction. An advantage of the AGI’s is that the graphical design is embedded in the AWC controller, thus ensuring that every customised view of the applications is presented correctly without the need of special

»

ii CANbus interface

Advanced Graphical Interface, AGI 300

Wind Sensor Static, WSS

55

Sept 2016 SmartEnergy

In Focus

DC Power Supply, DPS-1

libraries. ii User friendly access Easy navigation ii Easy service ii Capable to store history logs ii Multiple ports to access HMI Wind Sensor Static, WSS DEIF’s Wind Sensor Static measures both wind speed and direction and has fast and accurate responses. It is approved by major classification societies such as GL, CCS, RS and DNV. The WSS REC is ideal for harsh environments.

Normal operation does not require service and maintenance.

The static (ultrasonic) measuring principle provides a durable solution that does not wear out – no more need for changing bearings. The sensor is based on three ultrasonic transducers placed in a triangle. It measures wind speed and direction by measuring the time it takes for the ultrasound to travel from one transducer to the other two. The wind sensor is suited for maintenance-free operation. Extensive field tests in rough seas have shown that the WSS REC is suitable for both offshore and onshore. The field tests have been supplemented by laboratory testing of extreme temperatures, water resistance, vibration and shock.

DC Power Supply, DPS-1 To ensure stable and reliable

56 SmartEnergy Sept 2016

DEIF SCADA Manager

operation of a wind turbine, the power supply is critical. Most standard industry power supplies are not designed to cope with the real-life operation demands of a wind turbine – operation temperature span, mechanical robustness, tolerance towards ESD, etc. That is why DEIF Wind Power Technology has designed a series of rugged DC supplies to support the second-to-none reliability of our control systems.

The power supplies feature compact and lightweight switch mode design and at the same time – similar to conventional transformer designs – they have no moving parts as they have been designed for convection cooling, thus no maintenance- demanding fan is required.

The series of power supplies is designed for an operation temperature range of -40 to +70 ˚C, supporting reliable start-up and operation regardless where in the world the wind turbine is operating.

DEIF SCADA Manager DEIF Wind Power Technology offers a full set of SCADA solutions for remote control and supervision of wind turbines. The SCADA system can run on a computer in the control room of the wind park or it can run on any internet-connected computer, accessing the wind park using TCP/IP.

Main features of the SCADA system are: ii Turbine overview ii Turbine control ii Log viewer ii Report generator The aim of the DEIF’s retrofit and modernisation exercise is to ensure that we make the upgrades that allow our clients to make wind power business profitable. Extending a turbine’s life and improving its performance through retrofitting is more likely to be of interest to independent power producers (IPPs) as the life extension of wind farm assets also allows an automatic increase in their company’s asset value and increased profits over a longer period.

Deploying DEIF’s retrofitting solutions would be an intelligent, strategic business decision as it will enable the wind farm owners to make the most of their existing old wind turbines with minimal investment. Backed by local support team, choosing DEIF implies reliable and fast on-site service & support ■

For further information or any other questions you may have, don’t hesitate to contact us at +91 22 4245 2000 or write to us at india@deif.in

 www.supersmartenergy.com

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Concurrent Events 2nd Edition 5th Edition

Concurrent Events

Case Interview Study

Siva Rama Chandra Chairman, Vajra Power Conversions Limited

"The heart of the project is storage of energy, power audit will be done for proper power management, and the entire power will be stored on battery banks"

Q

.Tell us more about the green energy complex- that would derive its entire energy requirement exclusively from solar radiation- Vajra Power Conversion is planning to develop at Visakhapatnam in AP? We are glad to introduce green energy complex in Visakhapatnam, The entire theme of the project is to run all the infrastructure on solar which fulfil all of our home electrical needs. The entire project is designed on 6 acers with residential, semi commercial

58â&#x20AC;&#x201A;SmartEnergy Sept 2016

complex, community hall, swimming pool ,temple. All the internal roads are 40 feet and will be illuminated with solar street lights, the boundaries of the project are secured with 8 feet concrete fitted with wall mounting solar fence.

Q

.What is the strategic thinking or inspiration that led Vajra Power Conversion to diversify into building green energy complex?

Our inspiration is GO GREEN LIVE GREEN and to produce clean

energy. Our strategic thinking is to control global warming. Today the available Major Power sources are thermal, hydro, nuclear, wind, solar, bio gas. Amongst these thermal occupies the major portion which is non-renewable energy that creates pollution which results in global warming, On reduction can increase ground water levels, so that major portion can be moved on hydro, solar, wind and bio which are renewable sources. solar and wind can be placed on the rooftops, especially solar is suitable everywhere. ď&#x192;&#x153; www.supersmartenergy.com

Q

.How do you plan to execute this project? Are you open for JVs or collaboration with developers or third party vendors of solar system? By when do you expect this project to be completed?

Vajra has a great expertise engineering team in civil, mechanical, electrical and project management to handle all departments of the project. The entire project EPC is under Vajra. We expect to complete the project by 2018.

Q

.Energy back-up would be critical for this project, what is your plan and how are you going to execute the energy storage requirement for this project?

Absolutely the heart of the project

is storage of energy, power audit will be done for proper power management, and the entire power will store on battery banks.

to make this project as a cost effective. This is a pilot project in Andhra Pradesh we are planning for other places soon.

Q

Q

.This would entail huge amount of investment, in addition to the land and construction cost, how do you plan to finance this project?

We are having good financial strength, to handle huge projects.

Q

.How do you plan to make this project cost effective?

What are the other locations in India where you see appetite for such projects? How do you plan to tap this opportunity?

Based upon Vajra experience in infra and solar we are willing

.What is the business and revenue generation model that you are looking at? How do you see this diversification helping the growth of Vajra Power Conversion?

We believe in providing quality service that itself can create revenue, this diversification will definitely helpful the growth of Vajra ■

59

Sept 2016 SmartEnergy

Spot Light be sent to an engineer’s mobile.

Corrective action can then be taken immediately.

Diagnostics One of the other effective utilisation of SCADA can be in diagnostics of plant faults. The inverter, HT/ LT panel, string boxes and modules are used in large quantity. It is essential to analyse the fault in the system, otherwise, searching for a fault in a single system can be tedious job. Module level diagnostics is also possible in some SCADA systems.

Authored by:

Milind Upadhye

I

n recent years, many solar plants have been constructed in this country. Almost all the solar plants have (Supervisory Control And Data Acquisition) SCADA system, but the effective utilisation of these systems remains doubtful. It is similar to how a person with the latest smart phone might be completely unaware of all of its features. This article tries to explain the best possible use of the SCADA systems in solar plants.

Most Common Use Most common use of the SCADA system is to automatically report the daily generation to the top management. Hence, at the end of the day, the top management receives an email or a text message reporting the daily generation. Contrary to what many people think, this is not the only objective of SCADA, it is important, but this is not the ultimate test of the system.

Effective Utilisation Although for the top management, reporting daily generation automatically may be an important feature but for the project team, generation team and engineering it is totally different. Some of the features which need to be observed when selecting the SCADA system for the plant are: Loss Analysis

60 SmartEnergy Sept 2016

P reve n tive Maintenance

On a real-time basis, SCADA can calculate the loss, and the source of the loss.

The loss can be from modules, strings, DC cables, inverters or AC section. SCADA can give these figures, and losses can be corrected.

Weather Forecasting A good SCADA system can receive data from weather satellite (via internet). Predicting future weather conditions, the plant generation can be simulated and based on it, schedule maintenance can be planned.

Alarms SCADA system can be programmed for multiple alarms.

Alarms can be programed in such a way that the loss of generation can be corrected immediately.

Alarms like inverter off, or string not generating enough power can

Earlier detection of the fault or likely failure detection of the part can bring many losses especially financial losses in control. Normal early warning of temperature rise is a very effective parameter to check for inverter or other failures, air flow management or even filter cleaning options.

Flexibility Apart from all these feature list, SCADA being a software product needs a lot of flexibility.

The meter, inverter, string box can be changed, reports needs constant upgrades, the screen needs to be modified based on user requirement.

Learning Easiness Any software product needs ease of use. The user is accustomed to certain types of key stroke operations, familiarity of the screens and functionality. SCADA should support the same otherwise user will have a tough time to use SCADA.

 www.supersmartenergy.com

Spot Light Controlling The question is always asked, if solar SCADA has any controlling element. In smart grid applications, when the power needs to be controlled, the grid can automatically control the inverter power using grid control. Reactive power controlling is also one of its’ main feature. Even switching off the SCADA computer during night time is possible. All this can be achieved by a SCADA system.

PRISTINE SCADA by KAIHATSU TECHNO CENTRE Kaihatsu Techno Centre Pvt Ltd is an Indian company engaged in SCADA software from 1999. It has completely developed and designed its’ own software product and it is trademark registered as “Pristine”. The SCADA was originally designed and made for Petrochemical Refineries.

References Indian Oil Corporation Ltd (IOCL), BPCL, HPCL, Tamil Nadu Petrochemical Refineries, Brahmaputra Valley Fertiliser Corporation, GMR are few of our many esteemed customers who use the Pristine SCADA system. After starting the solar revolution in India, the same product has been modified and redesigned for solar power plants. Yantra eSolar, Essel Infrastructure, IIT Roorkee, GPCL, Tata Communications Ltd are some of the solar plants that are using Pristine SCADA system. Apart from the domestic market the company has also exported the same product to Malaysia (for fuel cell project), Germany (Solar Power Plant), France and Republic of Senegal (Africa) Advantages of Kaihatsu SCADA

using

Domain Expertise: The company comes with strong domain knowledge on SCADA systems, communications, electrical systems and solar plants Complete In-House Develop-

62 SmartEnergy Sept 2016

ment: The product is completely in-house developed. Hence, any modification, addition of new instruments, changing of screens, report can be made available almost instantaneously.

Fully Microsoft Windows Compatible: The product is completely Microsoft Windows© based and can operate from Windows Xp to Windows 10 platform very easily.

The key and mouse operation is similar to any standard Windows application. This makes the product very easy to lean.

One Time License: The product is available with one-time license fee so there is no need for annual subscription. One-time payment is good enough to run the product for a lifetime.

Non Internet Dependent: Being an Indian company, we know how one has to face a problem to get a reliable internet connection in rural India. Hence, Pristine has been designed in three different independent modules. Local, Web and mobile app. These three products work independently sharing a common data. Fix IP system is not needed to run the product.

User Modifications with Regional Language Support: The screens, desk top and reports are completely user configurable. The user can modify them any time to give his own look and feel. The reports and the screens can be any regional language.

Alarms: Pristine comes with user configurable alarm and Cloud Detection Algorithm. One is free to design as many alarms as desired.

Alarms have a built in alarm algorithm. These alarms can be at local level or they can be sent on mobile

by GSM or by email.

Auto Reports: Pristine has automatic reporting system. It can generate the reports at specific time or even at sun set. These reports are useful for management information.

Optimised Hardware: Pristine is one of the few software systems that are not PLC (Programmable

Logic Control) based. Of course Pristine can integrate with any PLC or data logger but Pristine does not need any PLC or Data logger to work with. The data is directly connected to PC. This saves on hardware costs.

Web Portal: Pristine Web module comes with a built in web portal application. If the customer has multiple plants at multiple location, all of them can be displayed on single portal. This becomes a very easy tool to view all the plants on single click.

Mobile Application: Pristine gives unlimited mobile app download facility for Android based as well as iOS based devices. The mobile app allows all plants to be viewed on single click, with their historical data. It also gives comparison of both actual generation and expected generation on real time basis ■ M i l i n d Upadhye, founder director of Kaihatsu Techno C e n t r e Pvt Ltd. Started his company in 1994 after gaining working experience in Semiconductor industry in Japan.

Prior to that, he had working experience in Onida as well as Nehru Planetarium. He was selected in Indian team that went for conducting experiments during total solar eclipse from Indonesia. Kaihatsu Techno Centre has developed own SCADA system that was originally used for Petrochemical Refineries. After a successful client list of 75 installations including IOCL, BPCL, HPCL, SCADA was modified for Solar Plants. Presently system is used by Tata Power Solar, Essel group and many more. Company has successful installations in Germany, France, Malaysia and Africa.

 www.supersmartenergy.com

Solar PV

Optimize Output and Profitability of a Solar Plant

T

o reach the objective announced to UNO, India needs to optimize the output, the quality of service and the profitability of all its PV systems, whatever is their size. And to reach there, it is crucial to follow the best practices of the Operation and Maintenance (O&M).

The health of the Solar PV systems should be monitored continuously for their better performance and maintenance. For PV systems installed at Urban or even rural locations, remote monitoring capabilities provide the information in advance when system performance is degraded or is likely to fail. Based on this information, preventive maintenance can be carried out to improve the performance and life of the system, thereby reducing the overall operating cost.

To enable this, it is necessary to collect three main levels of data: ii Meters that provide the exact status of the production or consumption and working information ii Parameters and alarms that come from the central device of installation, like inverters in a solar plant, to have a better view of the equipment situation ii Environmental information coming from sensors (irradiance,

64 SmartEnergy Sept 2016

temperature, hygrometry, wind speed, etc)

by Webdyn‘s latest developed version of WebdynSun in France.

To help you with the smart collection of data, Webdyn has developed two main products:

2 numbers of WebdynSun were installed on to the site since the SCB units were far apart from Inverter & Meter. TMEiC inverter over TCP MODBUS & Secure energy meter over MODBUS RTU were connected in single WebdynSun to monitor their data & performance based on the custom frequency, similarly all the Strings were connected through SCB onto another WebdynSun in order to monitor individual Module as that helps to reach the particular module in case of any error or an event. Complete information is being transfered to the Portal of the Cleanmax for the deeper analysis. The main USP here with WebdynSun is that it can work with any portal suitable to process CSV file formats & hence more deeper analytics like Performance Ratio, Specific yield, Reduction in CO2 & Real cost saving etc. can easily be calculated.

WebdynSun The WebdynSun gateway is used to monitor and collect data from a solar plant installation. The gateway brings together on a single unit all the indicators from the inverters, the electric meters and the environmental sensors (sunshine intensity, temperature, wind speed, etc.) through a set of multiprotocol interfaces (specific inverter protocol, Modbus, wired ).

WebdynModbus The WebdynModbus gateway enables to manage or collect data from Modbus equipment (slaves).

On a single box, the gateway includes a RTU Modbus and TCP Modbus interface and Ethernet and GPRS interfaces to communicate with the information system.

Case Study 1: Metro City (Urban Area) A 1.5MWp grid-tied Solar PV system was installed on the rooftop of the TVS Lucas, Chennai. The performance monitoring system for the installation is provided by Webdyn. The system is supported

Case Study 2: Rural Area A 6KW off grid battery based Micro grid Solar PV system was installed in the very remote village named Bhatipara in Jawhar district of Maharastra the local tribes there are not having any grid supply, no clean water, no approaching road & hardly any 2G signal of Voda www.supersmartenergy.com

fone connection.

remotely.

So it is very hard to reach the site for the Microgrid developers in case of any minor fault / event & cost them a lot in terms of time & money.

The data in the form of zipped CSV files are being transferred onto the FTP server of CES, Pune & they are providing the relevant analyses to Gram Oorja to monitor their site on regular basis remotely.

That system is supported by Webdyn‘s latest developed remote monitoring version of WebdynSun in France.

One WebdynSun with Vodafone 2G SIM card & extended GSM antenna for better signal reception was installed onto this microgrid site to monitor the crucial information about Batteries, Total Generation through Inverters, Active forward energy from Energy Meter & most of the relevant parameters from the Inverters to track the events & errors

This practice has not only saved their time & lot of money to visit the Microgrid every time for any unknown reason of fault but is also providing them a lot more crucial information on to the battery system like: temperature, gravity, charging, discharging etc. along with the Grid Supply information.

Hence setting up best O & M practice as above with Webdyn that also gives you the freedom

to choose the devices (Inverters, Meters, Sensor, SCBs & other Modbus devices) & the Portal of your choice based on the project requirements contributes greatly to reduce power failures and make solar plants operational nearly 100% of the time. The output and the quality of service are strongly increased ■ To find out more about WEBDYN and its products in India, please visit the company at Renewable Energy India, (7-9 September), Greater Noida, at stand K34.

For any commercial inquiries or technical information you can visit our website: www.webdyn.com or write to contact@webdyn.com

65

Sept 2016 SmartEnergy

66 SmartEnergy Sept 2016

 www.supersmartenergy.com

Tenders TENDER 101 Organisation Name

Solar Energy Corporation Of India Limited

Organisation Type

Public Sector Undertakings

Tender Ref. No

SECI/NSM/P-2/B-4/RfS/GJ/042016

Tender Title

Request for Selection (Rfs) Document for 250 Mw Grid Connected Solar Photo Voltaic Power Projects Under NSM Phase-II Batch-IV Tranche-I In Gujarat Solar Park at Charanka

Contact Details

www.seci.gov.in/ www.tcil-india-electronictender.com

TENDER 102 Organisation Name

Madhya Pradesh Urja Vikas Nigam Ltd Bhopal

Organisation Type

Public Limited Company

Tender Ref. No

RUMS/Solar-432/FirmRUMS/62 Dt 23/07/2016

Tender Title

Selection of consultancy firm for preparation of DPR for devlopment of identified Solar Park

Contact Details

075527670270

Engaged in Manufacturing, Exporting and Supplying a qualitative range of Engineering Products

All Types of Solar Parts & Solar Panel Junction Box Junction Box are IEC 62790: 2014 Certified & TUV Certified

Water Heater Parts M8 PV-S0004LT

M-C4 Connectors

25, Yamuna Estate, Opp. Shakriba Party Plot, CTM Cross Road Amraiwadi, Ahmedabad - 380026, Gujarat, India Phone No. : 079-25359474 (O) Email : suenter@rediffmail.com, sgplastic@rediffmail.com

Prashant Patel Vipul Patel

: 09825303917 : 09327069517

website : www.shreeumiyaenterprise.in

67

Sept 2016 SmartEnergy

EVENTS WATCH Event: 10th Renewable Energy India Expo Date: 7-9 Sept, 2016 Venue: India Expo Centre, Greater Noida.

Contact: +91-11-66517605

Event: Intersolar Middle East Date: September 19-21, 2016 Venue: DWTC, Dubai, UAE. Contact: www.intersolar.ae

Event: 17th Regulators & Policymakers Retrea t 2016 Date: September 22 - 25, 2016 Venue: Hotel Lalit, Goa, India.

Contact: Divya Parthasarathy/ divya@ippaimail.org

Event: Roadmap for Innovations in Solar Energy - RISE 2016 Date: September 22- 23, 2016 Venue: Hotel Taj - Santacruz, Mumbai.

Contact: +91 22 65220770 / 71

Event: PV Guangzhou 2016 Date: September 26- 28, 2016 Venue: China Import & Export Fair Complex, China.

Contact: Eve Cheng/ grand.ev@ grahw.com

68 SmartEnergy Sept 2016

Event: Intersolar India 2016 Date: 19-21 Oct, 2016 Venue: BIEC, Goregaon, Mumbai, India.

Contact: Swapna Kulkarni, +91 224255 4729, swapna.kulkarni@ mmi-india.in

Event: Africa Renewable Energy Leaders' Summit Date: 02- 03 November, 2016 Venue: Intercontinental Nairobi, Kenya.

Contact: Taslima Esha Amin/ +971 4 445 3656

Event: Solar Middle East 2017 Date: 14- 16 Feb, 2017 Venue: Dubai, UAE. Contact: info@solarmiddleeast. ae/ +971 4 4072472

Event: RenewX Date: 16- 17 Feb, 2017 Venue: HITEX, Hyderabad.

Contact: +91-11-66517605

Event: India Smart Grid Week 2017 Date: 08- 10 March, 2017

Event: Solar South 2016 Date: 26- 27 Nov, 2016 Venue: Chennai Trade Centre, Chennai, Tamil Nadu.

Contact: Mr. Vivekanandhan. D/ +91 9600095109

Venue: Manekshaw Centre, Dhaula Kuan, New Delhi.

Contact: +91 9990979287

Event: 2nd Solar India 2017 expo Date: 10- 12 May, 2017

Event: Solar-tec 2016 Date: 04- 06 December, 2016 Venue: Cairo International Convention Center, Egypt.

Venue: Pragati Maidan, New Delhi.

Contact: +91 9873440261

Contact: Annash Ahmed/ + 971 (0) 4 4072535

Event: Energy Storage India 2017 Date: 12- 13 Jan, 2017 Venue: Nehru Centre, Mumbai.

Contact: Shradha MalikS@md-india.com

Malik/

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IBC

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70 SmartEnergy Sept 2016

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