Australian Power & Energy News by Australian Main Roads Construction News

Please see our editorials and advertisement on pages 12, 13 and 15

VOL. 17 NO. 90 - February/March 2013

Print Post No. PP100000928

All enquiries phone: +61 7 5478 9432 Email Enquiries: apen@worldpacific.com.au Circulated to key personnel within all Power Utilities and Power Generators throughout Australia and New Zealand each issue

Innovation in Design and Construction at its Best TransGridâ&#x20AC;&#x2122;s Beaconsfield Substation Refurbishment Project Pages 4-7

Inside the GIS room with TransGrid Project Manager, Daniel Sartor

Musselroe Wind Farm equity and financing deal finalised a world-class wind resource, sitting as it does in the path of the Roaring 40s. Its construction has involved significant Tasmanian input. For example, the construction of the turbine towers has been undertaken by Launceston-based Haywards and the civil engineering works were undertaken by Hazell Bros.

HE partnership between Hydro Tasmania and leading Chinese renewable energy business Shenhua Clean Energy Holdings Pty Ltd (SCE) was extended recently to include the $394 million Musselroe Wind Farm, currently being constructed in northeast Tasmania.

The transaction represents the next step in a very effective wind energy partnership between SCE and Hydro Tasmania.

The partnership extends the current arrangements that involve the joint ownership, management and operation of the Woolnorth wind farms (Bluff Point and Studland Bay) in north-west Tasmania to embrace the Musselroe project.

Both the Woolnorth and Musselroe wind farms will be managed under the joint venture arrangements established by Hydro Tasmania and SCE in February 2012. Hydro Tasmania chairman Dr David Crean described SCE as a first-class strategic partner for Hydro Tasmania and the state.

Following the conclusion of the transaction announced in Hobart, SCE will take a 75 per cent share in the 168 megawatt Musselroe Wind Farm, currently being built by Hydro Tasmania and expected to be fully operational by 1 July 2013. Hydro Tasmania will retain the remaining 25 per cent share. SCE has paid $89 million for the share. SCE is 75 per cent owned by Guohua Energy Investment Corporation and 25 per cent owned by Guohua’s sister company Shenhua Hong Kong Ltd. Construction of the Musselroe Wind Farm began in December 2011, taking advantage of

Above: Back Row: Mr Wang Pin’gang, Senior vice president, Shenhua Group Corporation Ltd; Dr Ling Wen, President of China Shenhua; Tasmanian Premier Lara Giddings; Hydro Tasmania Chairman Dr David Crean Front: Mr Xie Jianning, Assistant General Manager of Shenhua Group, Chairman of Shenhua Guohua Energy Investment Co Ltd; shaking on the deal with Hydro Tasmania CEO Roy Adair

Publisher:

AUSTRALIAN POWER INDUSTRY NEWS PTY LTD ACN 109 354 467

ABN 49 109 354 467

Publishers of:

Published Bi-Monthly - Circulated to key personnel within all Power Utilities and Power Generators throughout Australia and New Zealand

Circulated to key personnel within all State Departments of Road and Infrastructure throughout Australia including Road Construction Engineers, Field Leaders, Managers, Road Construction Team Leaders, Maintenance Engineers

Circulated to all key personnel within the Australian Port Authorities and Associated Port Industries throughout Australia and New Zealand

Head Office: 14 Merriman Court, Palmwoods QLD 4555 Postal Address: PO Box 1176, MOOLOOLABA QLD 4557 Telephone: (07) 5478 9432 • Facsimile: (07) 5445 9431 Email: apen@worldpacific.com.au Web: www.amrcn.com.au (Click on ‘Other Publications’)

“Guohua, the main SCE parent company, is one of the world’s largest wind developers and brings a wealth of expertise in the renewable energy sector. Guohua has more than 4200MW of wind energy capability operating in China,” he said. “We have been delighted with the way our joint management of the Woolnorth wind farms has worked over the past year, and we look forward to continuing to work with SCE on successful operation of the Woolnorth and Musselroe wind farms and on future renewable energy projects.” Dr Crean said that the closure of the equity and financing arrangements has led to a significant reduction in Hydro Tasmania’s debt position. On completion of the transaction, Hydro Tasmania’s debt will be reduced by approximately $270 million. Dr Crean added that one of the major advantages of the business model that had been developed by Hydro Tasmania for its joint venture activities with SCE was that Hydro Tasmania was able to enjoy a broad range of benefits of ownership of wind farms without having to provide 100 per cent of the cost. The 25 per cent equity stake represents an optimum holding for Hydro Tasmania and enables it to use its scarce capital resource for maintenance of its core hydro-generation asset base, and for augmentation of its renewable energy portfolio.

“Our involvement in wind has shown it to add considerable value through expanding Hydro Tasmania’s generation portfolio. It also complements perfectly our hydro capability, providing the renewable energy certificates to meet our retail obligations and generates profit and value for our shareholders, the people of Tasmania.” Guohua Chairman Mr Jianning Xie said Guohua is pleased to continue the company’s relationship with Hydro Tasmania.

“Woolnorth represented our first investment in the renewable energy sector in Australia in line with our overseas strategy. We are pleased with the successful operation of Woolnorth and very happy to work with Hydro Tasmania again as partners in the Musselroe Wind Farm,” Mr Xie said. “We believe SCE and Hydro Tasmania have genuine synergy and the strategic co-operation between us will create significant long-term value. We look forward to continuing to expand our relationship with Hydro Tasmania.” The transaction includes a project financing facility of $280M AUD. National Australia Bank (NAB) led this facility as sole ECA and Debt Arranger, and Bookrunner. The facilities include a $140M, 18 year tranche from Eksport Kredit Fonden (EKF), the export credit agency of Denmark. The remaining $140M, 5 year tranche is financed by NAB, Sumitomo Mitsui Banking Corporation, Bank of China, Industrial and Commercial Bank of China and Credit Industriel et Commercial based in Paris.

Thermal property analysis. Thermal resistivity testing of soil. Testing of cable backﬁll material. Design of cable bedding/backﬁll. Cable route thermal surveys. Phone: (02) 9737 9062 Web: www.geothermaust.com.au Page 2 - Australian Power & Energy News

Manager: Brett Hobson brett@geothermaust.com.au

Australian Power & Energy News - Page 3

Feature

Substation Commissionings

Innovation in design and construction at its best D

ESCRIBED AS THE most technically challenging project that TransGrid has ever undertaken, the Beaconsfield Substation Refurbishment Project was completed in November 2012 and has ensured Sydney-sider’s continue to enjoy an uninterrupted energy supply even as temperatures soar to new highs.

With one of the two major supply points for the inner metropolitan area reaching the end of its serviceable life, the redevelopment of the existing Beaconsfield site was flagged as critical work to ensure continued supply to the CBD and inner suburbs of Sydney. TransGrid Executive General Manager/ Capital Program Delivery Mr Gerard Reiter talks about the success and effort of the most complex substation project ever completed in Australia. “The substation is a vital part of our existing transmission network, and its redevelopment was critical to secure the future power supply into Sydney’s CBD. A new substation on either side of the existing site were carefully designed and erected – to the millimetre –without any disruptions to electricity in and around Sydney’s CBD and inner metropolitan over 34 months,” said Mr Reiter. “TransGrid partnered with diversified engineering and construction company, UGL Limited (UGL), on this landmark project which required innovative solutions to address challenges in almost every aspect of the design and construction.“ TransGrid and UGL worked closely to a design which would incorporate careful positioning tolerances given the large number of services required to fit into such a small piece of land. In an industry first, a large Gas Insulated Switchgear (GIS) Substation was replaced in situ (worldwide),” he said.

Above: New Beaconsfield South GIS building with associated 132kV GIL housed on overhead gantry TransGrid Project Manager, Mr Daniel Sartor said “The design included several pioneering solutions which were worked through over a 12 month period with UGL. The most significant was the use of an overhead gantry to house ties between the two GIS buildings, the development of a custom oil containment system design and efficient cable route designs.” Other concepts implemented included

measures to protect the GIS and the Secondary System Buildings (SSBs) in the event of a transformer fire, including the use of sacrificial linings on transformer fire walls, transformer deluge system, and heat shields over SSBs and the development of new Low Impedance Busbar Protection schemes specifically for the double busbar arrangement. “The substation is located adjoining

Above: Inside the GIS room with TransGrid Project Manager, Daniel Sartor Page 4 - Australian Power & Energy News

the heritage listed Alexandra Canal and environmental surveys confirmed that the site was subject to tidal water conditions and heavily contaminated ground water within the site” said Daniel. Careful management of these issues by TransGrid and UGL with the cooperation of an external Environmental Inspector ensured that these issues were managed efficiently. “It felt like we managed over a thousand technical engineering and design issues throughout the process, so I’d definitely call this one our most technically complex projects. One of our priorities was to keep the existing substation in service which was complex enough, given the short windows of planned outages,” said Daniel. UGL General Manager Power Systems, Mr Stephen Imlay explains how the Project required a high degree of logistical coordination and management to allow works with numerous contractors and operating personnel on site. UGL was paramount in the successful design and construction of this site and we sourced three phase encapsulated gas insulated busbar rated for 50kA and 3150Amps, developed a walk through gantry (installed nine metres above the substation site between the two new 132kV switchgear building to support up to six (6) circuits of 132kV gas insulated busbar and 330kV gas insulated busbar) and developed compact primary and secondary oil containment tanks with a complete 330kV air insulated switchbay installed on the top of the tank,” said Mr Imlay. ”The project was completed with an excellent safety and environmental record. No LTIs were recorded on the project which utilised in excess of 320,000 man hours and ran for over 34 months,” said Mr Imlay. The GIS is three phase 132 kV 50kA manufactured by ABB in Germany. The two GIS (Continued on page 5)

Substation Commissionings Feature

Innovation in design and construction at its best (Continued from page 4) installations consist of a total of 44 switchbays, which will make this the largest 132kV GIS substation in the southern hemisphere. Sydney’s population is forecast to grow substantially over the next 25 years. The redevelopment of Beaconsfield Substation plays a vital part in TransGrid’s existing transmission network, and the ongoing safe and reliable power supply into Sydney’s CBD.

Background Project Information: Ground Conditions and Restricted Space Ground conditions were extremely poor and this was compounded by tidal ground water as shallow as 600mm deep. The basis of the design for the whole substation was to minimise the need for excavation wherever possible. Several innovative solutions were developed and implemented including the use of above ground HV cable areas in the GIS buildings and oil containment tanks utilising secant pile walls. The site was identified to have notable contamination including hydrocarbons, heavy metals and asbestos in the soil. In addition, contaminated groundwater was present on the existing substation site. UGL prepared and implemented a Contamination Management Plan (CMP) which also included the design and provision of a temporary on-site water treatment plant. The GIL Gantry was an innovation proposed by UGL that allowed for six (6) single phase 330kV gas insulated lines (GIL) and five (5) three phase encapsulated GIL to be run 170m across the site. The gantry lifts the GIL out of the problematic ground and 9m above the site access roads and provides a catwalk for safe and easy access to the GIL for inspection and maintenance. Site space restrictions made it impossible to provide an oil containment system of sufficient size without some innovative thinking. An oil containment system utilising transfer pumps was developed that allowed two tanks at opposite ends of the site to be run in parallel, affectively doubling the tanks capacity. The secondary systems modular control buildings were mounted on top of each 132kV GIS building to save space. The roof was

Above: Image of the Beaconsfield South site from the street. GIS building in background with walled transformer enclosure in front designed to be removable in sections to allow for the future replacement of the modular control building. Underground 132kV cable routes were closely spaced and had to negotiate many existing services. UGL completed extensive modeling to optimise the routes in order to achieve the cable ratings. The 132kV GIS incorporated a double bus arrangement. The low impedance busbar protection (LZ BBP) was offered by UGL due to the double bus in order to avoid issues of switching CT circuits for different bus configurations. UGL developed the schematics, communications and relay settings, and completed factory acceptance testing and commissioning on site.

Above: Overhead gantry housing 330kV GIL

GIS Building Coordination The 132kV GIS buildings were a multidisciplinary design and construct project in themselves requiring the coordination and integration of architects, building civil and structural designers, GIS equipment OEMs, HVAC and hydraulics consultants, gas safety detection systems, gantry cranes, lifts, fire and security contractors as well as unsaid number of subcontractors.

Brownfield Site UGL completed brownfield augmentations to the 30 year old secondary systems equipment at Beaconsfield West. Protection systems were augmented or replaced, and control systems were modified. New underground services including

drainage lines, 132kV cable routes and electrical conduits were required to be installed through the existing site. Existing 132kV and 330kV cables which could not be taken out of service were negotiated. Techniques such as ground penetrating radar were used to confirm the exact location and depth of existing 132kV and 330kV cables and identify undocumented services.

Heritage Issues The Beaconsfield Substation site is located immediately adjacent to the state heritage listed Alexandra Canal which flows into Botany Bay via Cooks River. The substation footprint was minimised and construction activities were designed and coordinated such that no risks were posed to the structural integrity of the heritage listed canal wall.

Above: High Voltage connections to the new 330/132kV Transformer Australian Power & Energy News - Page 5

Substation Commissionings Feature

ABB A Powerful Resource of Cutting Edge Technology I

N THE manufacture and supply of switchgear and associated power station technology, ABB Australia is second-to-none with its own state-ofthe-art, design and manufacturing base specifically targeted to meet Australia’s unique, power sector demands for efficiency and security of electricity supply.

ABB is a key supplier of products and services for electric, gas and water utilities as well as catering for both the industrial and commercial sectors. Its wide product range is geared to facilitate world’s best practice in power generation, transmission and distribution in Australia. Key technologies employed by ABB include medium to high voltage switchgear, circuit breakers for a range of current ratings and voltage levels, as well as specialised traction and other types of transformers and power quality solutions. Innovation is an important aspect of the company’s development program with a focus on designing an extensive range of products specifically suited to Australia’s geographical and climatic conditions. ABB’s aim is to ensure the efficient and reliable delivery of electricity despite any operational variables which may affect networks and influence the consistency of power generation and distribution. The company’s area of hands-on expertise extends from design, system engineering, product supply and project management, right through to installation, commissioning and testing in the delivery of any power related turn-key project. Most importantly, the highly skilled team at ABB Australia has cultivated a strong relationship with those who occupy the frontline in power distribution. This is largely due to the company’s capacity to provide the right solutions for any power sector related problem and to do so in a cost-effective manner without any compromise on quality. However, that’s just part of the story. What makes ABB Australia so cost-effective and dynamic in fulfilling power sector needs here in Australia is its capacity to expand the reach of its own design and manufacturing strength by drawing upon the vast resources of the international ABB Group. According to ABB High Voltage Business Unit Manager Vice President Chris Geeves, who oversees the range of High Voltage Products for the Australian company, this global relationship brings with it many benefits. “Through the extensive global ABB network we have access to world’s best practice in high voltage power product supply and delivery. “We can custom-tailor our response by drawing upon our own manufacturing expertise and, when necessary, access our international connection and with it, the proven cutting edge technology that has already established ABB as a world leader on the global stage. The recent Beaconsfield Substation is a direct example of the benefits of that value added response that we can provide for our clients in Australia. It’s a cost-effective approach backed by local support from ABB along with the wealth of expertise provided by our on-ground installation team.” TransGrid’s Beaconsfield Substation Refurbishment Project was completed in November 2012 by diversified engineering and construction company, UGL Limited (UGL)

Page 6 - Australian Power & Energy News

Above: GIS switchgear installed at the Beaconsfield site and was not without its own unique set of challenges. The purpose of the expansion to the north/south substation was to ensure an uninterrupted energy supply for residents and businesses within the Sydney CBD and the broader metropolitan area and to secure future demands for the supply of electricity. Critical to that high level of reliability was the supply of various high voltage products from ABB Australia. At about 80 tonnes, the range of equipment provided by the company included a variety of gas insulated switchgear, air insulated switchgear and capacitors. ABB Australia was able to deliver both locally made and imported ABB products to meet the client’s specific demands within the required schedule. The company supplied product from its own Australian manufacturing facility as well as equipment sourced from ABB in Germany, Sweden and Switzerland. Specifically, the range of products included 145kV Gas Insulated Switchgear (GIS) equipment featuring 44 bay double busbar and four 145kV Gas Insulated Line (GIL) circuits with each length about 165 metres. Two 362kV GIL circuits with one about 30 metres and the other at around 50 metres, was also installed. A range of air insulated switchgear was supplied which included 145kV & 362kV

circuit breakers; a disconnector with 362kV earthing switch and an independent 362kV earth switch; 120kV and 288kV surge arrestors; 145kV disconnectors; independent 145kV earth switch and 145kV capacitor banks rated at 160MVAr. Delivery and installation oversight was particularly challenging at Beaconsfield which is located on a high water table and prone to occasional flooding with groundwater as shallow as 600mm deep making movement around the site difficult in the extremely challenging site conditions. Under the guidance of UGL there were a large number of contractors involved in the construction process and as is the case with any confined site, storage of equipment and building materials was difficult and traffic movement on and off the site had to be carefully managed. The ABB installation team are used to working in a variety of challenging conditions and overcame any logistical problems to ensure the efficient delivery and installation of the various components. However, as Chris Geeves highlighted, “despite the confined space, groundwater problems and the heavy traffic, UGL’s traffic management process was excellent and ensured that access to the site was coordinated effectively to maintain building and installation schedules.

Above: Shows where the cabling was assembled to connect the two separate buildings together

“Over the years we have enjoyed working with UGL as well as TransGrid and the Beaconsfield Substation Refurbishment provided another opportunity for ABB to do what it does best. Although regarded as the most technically challenging project that TransGrid has ever undertaken, it was an absolute pleasure to be a part of such a vital project.” The delivery of the project was extremely successful and given the poor site conditions and logistical challenges, it should be emphasised that according to UGL General Manager Power Systems, Mr Stephen Imlay, ”the project was completed with an excellent safety and environmental record. No lost time injuries were recorded on the project which utilised in excess of 320,000 man hours and ran for over 34 months.” ABB’s operations in Australia include manufacturing facilities in Brisbane, Perth, Sydney and Melbourne and Service Centres around the country. With over 2000 employees located at 14 sites nationally, customers are served through an extensive country-wide presence. Product maintenance and support is provided by a highly capable Service Division. All operations are backed by a dedicated 24 hour support line to ensure a single point of contact for sales, service, training and customer support. When you consider the role that ABB Australia performs in presenting the very best in power sector product in this country, it’s important to note that, over the last 120 years the ABB Group has either invented or pioneered a range of advanced technologies throughout the globe. Here in Australia, ABB is also at the forefront in developing new technology and last year the company won the 2012 Banksia Environmental Award. The specific award in the Clean Technology – Harnessing Opportunities category was in recognition of ABB’s new sulphur hexafluoride (SF6) gas recycling technology. The technology was developed by an Australian team and has been implemented at ABB’s gas recycling centre at Moorebank, NSW Australia. In presenting ABB with this award, the judges commended ABB on a highly skilled technical solution to a problem material that provides environmental and economic benefits. The award recognises ABB for its innovative and successful approach to developing a technology for the comprehensive recycling of contaminated SF6 gas. The technology is based on a new energy-efficient cryogenic process. The new patented technology has been successfully commercialised at a dedicated SF6 recycling plant ABB has established in Sydney, with international applications to commence shortly. This solution to recycling SF6 gas is typical of the many new technologies introduced by ABB over the last century. They are solutions to problems we face in our modern world that we may well take for granted, but in reality it is technology which has shaped the world we live in today. The company has been particularly proactive in High Voltage Direct Current (HVDC) transmission equipment, building the world’s first commercial HVDC power link in the 1950s. There is no doubt that with such a rich history of innovation, ABB Australia will continue to live up to that proven legacy.

GIS. Switchgear with improved reliability and up to 90 percent space saving

ABB is a pioneer in GIS (Gas Insulated Switchgear) technology. The latest GIS series offers space saving of up to 90 percent compared to conventional technology. Its low-weight and robust design enhances system reliability and efficiency even in harsh conditions and with minimum maintenance needs. ABB offers a spectrum of high-voltage products up to 1,100 kV including air and gas insulated switchgear, hybrid solutions, instrument transformers, power capacitors and surge arresters that help enhance the reliability, efficiency and quality of power with minimum environmental impact. www.abb.com/highvoltage

ABB Australia Pty Limited Power Products General enquiries: 1300 782 527 Website: abbaustralia.com.au

Australian Power & Energy News - Page 7

Feature

Substation Commissionings

New Zone Substations for Darwin T

HE Northern Territory’s Power and Water Corporation provides power, water and sewerage services in a unique operating environment. It has a relatively small customer base geographically dispersed from arid central Australia to its tropical north.

Power and Water’s new Woolner Zone Substation is located 7km from Darwin city and will benefit local businesses, homes and schools. The substation project is part of a major infrastructure investment program and will replace the aging Snell Street Zone Substation which is at the end of its operational life. Snell Street substation was built in 1962 and, at the time, its location was deemed ‘out of town’. It was completely rebuilt mid 1970s following Cyclone Tracy. The new substation, adjacent to Snell Street, will feature both 66kV and 11kV equipment housed indoors ensuring a protected environment from dust and extreme weather, reduced noise, reduced carbon footprint and greater security. The project, which commenced in 2009, has seen the continual introduction of Gas Insulated Switchgear, a proven technology addressing the complex and severe environmental impacts experienced in the Northern Territory. Power and Water Networks General Manager Bertram Birk said the upgrade is essential for securing future power supplies and keeping up with demand as local commercial and residential areas continue to grow.

“Darwin is experiencing rapid growth with new commercial and residential buildings and developments being constructed to cater for the demand,” he said. “The challenging climatic and environmental conditions we experience, such as high humidity in the wet season and dry and dusty conditions

Above: 66kV Power Transformers and the GIS building in the dry season are tough on our assets and significantly influence the way we approach developing new infrastructure and the modern technology that is suitable.”

“The buildings are climate controlled and those that house the 11kV switchgear also have dehumidifiers which ensure the optimal operating environment year round including

monsoon periods during the wet season. Being fully enclosed provides the additional benefit of noise suppression.” The substation will supply power to 10 000 customers in surrounding suburbs via overhead and underground powerlines, is expected to have a 50 year lifespan and will support Darwin City, and suburbs including Casuarina and Berrimah Zone Substations just outside Darwin. The Leanyer Zone Substation in Darwin’s Northern suburbs, some 20km from the city, is also under construction and will supply the new residential developments of Lyons and Muirhead and increase electricity supply security for Royal Darwin and Darwin Private hospitals. It will also provide backup to Casuarina Zone Substation and the nearby Casuarina commercial precinct and Charles Darwin University. Power and Water has been working systematically to improve network infrastructure and continue providing safe, secure and reliable essential services for over 85 000 customers spread across 1.3 million square kilometres of the Northern Territory.

Right: 66kV Gas Insulated Switchgear

Above: Control room housing the 66KV Protection Relays Page 8 - Australian Power & Energy News

Substation Commissionings Feature

Delta Electrics Powers Ahead with NT Solutions

INCE 1969 Delta Electrics has been at the forefront in providing solutions for the expansion of infrastructure and networks related to the transmission and distribution of electricity throughout the Northern territory. The key to Delta’s success can be found in its ability to develop highly effective working partnerships with suppliers in the delivery of state of the art solutions and assisting companies involved in project delivery. It’s the ideal combination and one that ensures that project outcomes are world best practice as far as the introduction of new technology is concerned. Power & Water Corporation’s recently completed Woolner Zone Substation in Darwin is a case in point. The new substation replaced the Snell Street Zone Substation which was rapidly reaching its use by date and Delta worked in conjunction with a Siemens Installation and Commissioning specialist from Germany to supply and install a range of state of the art, major components. The $26.9 million Woolner Zone Substation incorporated Gas Insulated Switchgear (GIS). This is part of an ongoing strategy being implemented by Power & Water as a solution to the extreme environmental and climatic impacts experienced in the Territory and particularly at that location. GIS is compact and operates without noise which is ideal for a suburban environment. The new substation is far less vulnerable to the elements with all the equipment housed indoors so the operation of the substation is protected from dust and extreme weather and of further benefit; it is also far more reliable,

quieter and very secure. The 66kV power generated by the nearby power station is transformed at Woolner Zone Substation into 11kV before being distributed to 10,000 customers in surrounding suburbs via overhead and underground power lines. The new substation will also support the City, Casuarina and Berrimah Zone Substations. Power and Water had previously completed a two-year program to upgrade and repair various associated zone substations prior to Woolner commencing operation. This included a major upgrade at the Casuarina Zone Substation. Delta Electrics has a long history of involvement with Power & Water and has contributed to a number of its projects. One of these included the design of the11kV switchboard for the old Snell Street Substation as well as the supply of components installation and other associated works. Delta’s operations covers the broad spectrum of activity related to electrical power transmission and infrastructure. To simply state that the company is a supplier of advanced technology would be to underestimate the company’s impressive operational reach and also its in-house range of designing and engineering skills. Delta Electrics has three distinct business Divisions and each are highly capable of standalone activity. The Company’s Project Division can provide a complete design & construct solution for its clients. Services provided cover project management, engineering and construction. For instance, Delta designed and constructed a purpose built 22kV Substation modular building for the Katherine Power Station in conjunction

with its partner Ergon Energy. The Division is also involved in the construction of civil infrastructure, electrical installation and maintenance. The Sales Division is responsible for all componentry sales and is highly proactive in working with Australian and global manufacturers to ensure that specific industry demands are met and that the most advanced technology is available for its clients. This Division supplies a wide range of equipment from world-class manufacturers such as Siemens, a leading global manufacturer of medium & high voltage power transmission and distribution equipment. Delta’s relationship with AllightSykes ensures that the Northern Territory has the best in FG Wilson diesel generators, mobile lighting towers, Perkins diesel engines & Sykes heavy duty pumps. Eaton Industries is another well-known and trusted name in the supply of low voltage power distribution and protection equipment including UPS solutions. The Sales Division also supplies solar power systems, energy efficient (LED) lighting, electric motors, automation and control solutions as well as direct strike lightning protection & surge protection equipment. The third entity is the Delta Electrics Service Division which provides a 24x7 service capability and is equipped to respond to both regular maintenance and those unforeseen power related emergencies that can arise without notice. This Division also provides solutions on preventative maintenance, technical and practical expertise which is primarily

focused on client asset and capital equipment management. Delta Electrics General Manager, Corey Impelmans has a clear picture of the role that the company performs in the Territory. “We see ourselves as part of the fabric up here and that we perform an important task in the Northern Territory. Our focus is on providing the best solutions and outcomes that are globally available at any given time. We are very proactive in that endeavor and also take great pride in our relationships with both our world class suppliers and what I might refer to as our project partners. It allows us to do our best work and to provide value for money solutions in the best interest of all who operate within the power sector as well as those who live and work in this part of the world.” Delta’s operational reach extends over a wide range of industry sectors including Utilities, Defence, Mining & Resources, Construction, Remote Communities, Health, Communication, Transport, Government and Manufacturing. The company’s client list features some of the biggest companies operating in the Territory such as; Power & Water Corporation, various NT Government Departments including the Australian Department of Defence as well as companies like Telstra, ERA, Macarthur River Mining (MRM), the Halikos Group, Channel 9 and Northern Cement. It’s now over 40 years since Delta Electrics commenced operations in the Northern Territory and over that time the company has clearly established a reputation for excellence in the delivery of proven cutting edge solutions, whether in design, engineering or the supply of advanced technology for those responsible in power transmission and distribution.

Delta Electrics & Siemens Ltd are proud to be in association with

Power & Water Corporation with the recent completion of

Major Power Generating Infrastructure works at Woolner Zone Substation Products Supplied Installed and Commissioned •

Siemens High Voltage 8DN8 Gas Insulated Switchgear

•

First 8DN8 Enhanced Switchgear to be installed in Northern Territory

•

Siemens 11kV Air Insulated Switchgear

•

Installation and Project Management was the key deliverable provided by Delta Electrics

•

In conjunction with Siemens Installation and Commissioning Engineer, Delta completed ﬁnal test and commissioning to reach practical completion to then formerly hand over an as installed project to the client Power & Water

1800 670 087 sales@deltaelectrics.com.au

www.deltaelectrics.com.au Australian Power & Energy News - Page 9

Feature

Substation Commissionings

Upgrade underway for inner northwestern Brisbane power supplies

Switchgear arrives at Leichhardt EW 132kV gas insulated switchgear has arrived on site at Ausgrid’s Leichhardt zone substation as part of a major project to convert the existing substation from 33kV to 132kV. Ausgrid crews will install seven bays of switchgear as well as 32 panels of 11kV switchgear. The new equipment will replace existing 33kV switchgear from the 1960s and will allow Ausgrid to link the Leichhardt zone substation to major a 132 kV feeder. The Leichhardt project is taking place in tandem with the construction of Ausgrid’s new Croydon zone substation and the conversion of the zone substation in Camperdown zone

from 5kV to 11kV. The conversion of Camperdown zone requires load to be transferred to other parts of the network including Leichhardt zone. To facilitate the load transfer, Ausgrid crews have been replacing the local 5kV network with a new 11kV network including laying new underground cables and changes in distribution centres. Installation of the 132kV equipment at Leichhardt zone substation is expected to take about three months to complete. Crews will then focus on completing Croydon zone substation before returning to Leichhardt to complete the fit-out, in time to meet local demand requirements.

Above: Artist’s impression of upgraded substation

NERGEX has commenced a $5 million-plus upgrade of the company’s existing Enoggera substation which will boost power supplies to around 7,500 homes and businesses in the inner north-western Brisbane suburbs.

The project will include an upgrade of the electrical equipment housed within the Cairo Street substation, ensuring optimum power supplies and electricity reliability for the region. Energex Asset Manager Gary Madigan said the upgrade was required to meet the increasing power needs in the Alderley, Ashgrove, Enoggera, Gaythorne and Mitchelton area. Mr Madigan said the substation redevelopment was designed to ensure the substation meets the current and future energy demands of the local population. “Energy use – especially at peak times – in the local area has been rising at levels above national averages for many years and this is forecast to continue,” he said. “Much of this will be due to the continuing rise in domestic air-conditioning penetration which now stands at close to 75 per cent in the area. Across the Enoggera substation supply area there are around 10,000 air-conditioning

systems installed in local homes, and according to the latest Queensland household energy survey this is tipped to rise to 12,600 systems within five years. “This domestic energy use growth is being supplemented by rising commercial and industrial expansion as well as some new housing developments.” Energex’s forecasts show peak energy demand in the area is set rise by around 24 per cent by 2020. During construction there will be some heavy vehicle movements, partial road and footpath closures and safety barriers around work sites. Mr Madigan thanked the local community for their patience during the upgrades. Weather permitting, the civil works are expected to be completed by March 2013 and the upgraded substation in operation towards the end of next year. This project is part of Energex’s commitment to provide a safe, secure and highly reliable, cost effective electricity supply to its customers. The capital works program aims to improve and reinforce electricity supplies across South East Queensland, especially to meet peak electricity demand periods, and to support the increased use of residential solar power and lifestyle enhancing appliances, such as air conditioners and flat screen televisions.

New cables to power Empire Bay

Engadine zone substation fitted out

Above: Empire Bay Zone Substation exterior

REWS are in the final stages of installing new 66,000 Volt underground cables between Woy Woy and Empire Bay.

Above: Transformer delivery to Engadine Zone Substation

USGRID technicians are installing new transformers at Engadine zone substation to replace existing equipment from the 1960s. Two 40-tonne transformers were safely delivered in November and will help supply parts of Engadine, Heathcote, Waterfall, Yarrawarrah and Woronora Heights in Sydney’s south. The new transformers will connect to 132kV and 11kV switchgear installed inside the recently completed substation building in Page 10 - Australian Power & Energy News

Cooper Street, Engadine. Six bays of 132kV gas insulated switchgear will allow Ausgrid to loop in and loop out of an existing 132kV feeder that runs between Port Hacking subtransmission substation and Menai zone substation. Ausgrid crews will also connect 47 panels of protection equipment as part of the project. Civil construction began on the existing site in late 2010 with the final stages taking place in tandem with the fit-out.

The new Ausgrid feeder route will help power about 6,000 local hoems and businesses around Empire Bay, Killcare, Saratoga, Daleys Point, Killcare Heights, Hardys Bay and Bensville on the Central Coast. More than 90 per cent of excavation and joint bay construction is complete with the final stage to include cable installation across a road bridge over Brisbane Water. The new 66,000 Volt cables will supply the new Empire Bay zone substation currently under construction. The 66/11 kV zone substation will help boost supply and improve reliability to one of the fastest growing regions on the Ausgrid electricity network. The existing electricity network in the Empire Bay area is supplied by a 11kV powerline system from zone substation at Woy Woy and Avoca. The new zone substation is expected to start supplying the area this year.

TEN Service & Repair E

NERGY utilities and contractors make large investments in tools and equipment that can cost millions of dollars each year. Significant resources are allocated to asset maintenance programs for hardware, however the tools and equipment used to perform this maintenance is often overlooked for ongoing service work. Good servicing routine and processes extend the life of tools, minimising unplanned downtime and reducing tool lifetime costs. Servicing tools and equipment extends the useable life of the tool by replacing worn components before a failure or fault occurs. Replacing

a low cost seal on a hydraulic tool could be the difference between getting a job done and costly delays. Repairing a damaged tool is almost always more costly than undertaking the regular maintenance and service of the tool. Almost all trucks donâ&#x20AC;&#x2122;t carry â&#x20AC;&#x2DC;spare toolsâ&#x20AC;&#x2122; so a tool damaged in the field is often repaired on site by unqualified personnel to finish the job at hand. This poses significant safety issues and will likely affect any manufacturerâ&#x20AC;&#x2122;s warranty still remaining on the tool. A regular maintenance schedule allows the utility to plan downtime instead of being forced into unplanned downtime when a tool

Above: Servicing and refurbishment in TENâ&#x20AC;&#x2122;s Workshop

Above: Hydraulic Equipment Servicing

fails. Service work can be carried out at a time when the tool is not required or there are additional tools available for use. An additional service which can provide substantial benefit to utilities is tool and equipment refurbishment. Most tools and equipment needs to be kept in good order for it to remain operational. Take the case

of fibreglass sticks, damaged, worn or scratched sticks must be removed from service as they can be a hazard to an operator working in a live situation. TEN Service & Repair Capabilities: â&#x20AC;˘ Hydraulic Hand Tools â&#x20AC;˘Hydraulic Battery Tools â&#x20AC;˘ Hoists â&#x20AC;&#x201C; Web Strap and Wire Rope

â&#x20AC;˘ â&#x20AC;˘ â&#x20AC;˘ â&#x20AC;˘ â&#x20AC;˘ â&#x20AC;˘ â&#x20AC;˘

Fibreglass Stick Refinishing Jumper/ Bonders Refurbishment Canvas Repair Transmission Stringing Equipment Testers Sheave/Roller Refurbishment Earthing Sets Speak to TEN about a regular tool servicing program and the benefits to your business.

RELIABLE by name, RELIABLE by nature. Supplied with trigger guard Best in Class clearance for all Class of gloves couplers and dust caps

Feather trigger

Line Hydraulics Hand Hydraulics Low & High Pressure

Punching & Spiking Hydraulic Pumps

the energy network

Ask us about fast turnaround on hydraulic tool repair and service. www.tengroup.com.au | Phone : 07 3212 8999

Our Energy, Your Power. Australian Power & Energy News - Page 11

The combined power of two great Australian companies Simple As 1

2 3

MSS Power Systems & CABAC Power recently released website has some exciting new features. In particular the lug guide, (shown here) is designed to provide Electricians and Contractors with a simple way to match the various cable types and sizes to lugs, crimp tools, die sets, Heatshrink and glands to ensure they are using the right combination. "

show you the best match. This allows you to narrow your search. Select the â&#x20AC;&#x2DC;SHOWâ&#x20AC;&#x2122; button and the software will present the available options. You can then click on any of the product part / 1 2 the right information. 3 best suited for the cable they are using,â&#x20AC;? says David Humphreys Group Marketing Manager â&#x20AC;&#x153;we are intending to add our video training to our lugs as we have a lot of customers wanting to check how to crimp a lug properlyâ&#x20AC;? continues David. 4 7

will allow Electricians and Contractors to access information on the spot to complete a job.

Three simple steps 1. Select your desired options 2. Press show 2 ; #

Ritz Hot Line Tools '

applications. For example in Australia using a short spiral link stick to remove bats and birds that unfortunately are tangled in low voltage lines. Some utilities requested a short spiral link stick for low voltage use to part two parallel conductors and allow an injured or dead animal to fall away from the line. With regard to bats worker safety in paramount and the spiral link sticks offer a solution to access the animal safely on the ground. A bat could be a carrier of Lyssavirus and workers are at risk of infection if scratched or bitten. It is easier and safer to rescue a bat on the ground than in an elevated position. * +

in many live line tools are manufactured to international standards such as IEC60855. The most commonly used items are telescopic sticks, sectional hotsticks and â&#x20AC;&#x153;shotgunsâ&#x20AC;?. Many other standard items such as strain carriers for repairing line insulators and temporary

crossarms are among the vast range of equipment manufacturer by Ritz do Brasil in the plant in Minais Gerai, Brazil. Ritz works closely with many power utilities to develop custom tools and techniques for live maintenance. Hotline line maintenance tools were probably /</2 4 â&#x20AC;&#x153;hot sticksâ&#x20AC;? where originally made from wood. =

pole was developed issuing a whole knew range of hot line tools and live line techniques enabling work on 500kV transmission lines. Today Ritz do Brasil is owned by USA Company, TEREX Utilities, know for their elevated electrical work platforms and ground boring machines among many other manufactured items. Many techniques were developed to suit local conditions in Brazil. Very long transmission lines supply electricity, from far away hydro electric power stations to major cities such a Sao Paulo

and Rio de Janeiro. These transmission lines must be serviced â&#x20AC;&#x153;liveâ&#x20AC;? as interrupting supply would be costly and effect large parts of these cities. Ritz has developed many unique techniques and special tools for live maintenance of lines and substations. These tools are of the highest quality with safety being the prime objective. It has been noticed that live line workers, work strictly to procedure and do not take any risks as compared to workers servicing dead lines, thus less incidents occur with live line work.

For a demonstration of Ritz Ritz do Brasil products are distributed through MSS Power Systems to utility companies. A large range of standard equipment such as telescopic sticks and hot sticks are in stock in Sydney in the central distribution warehouse. Custom and special equipment is available on request. Please contact MSS Power Systems for further information.

Trend Towards Mobile Website MSS Power Systems & CABAC Power recently released a mobile phone version of their website (www.cabacpower.com.au) for all Internet enabled smart phone users. The new initiative has been received

! Group Marketing Manager. The simple menu structure and large detailed images allow users to select and view product resources and technical data quickly. Over the next few months the MSS Power Systems marketing team will monitor the site usage, tweaking the program to increase the sites performance levels while adding additional content to the site. â&#x20AC;&#x153;The key moving forward is speed and content,â&#x20AC;? says David â&#x20AC;&#x153;we have a new and exciting, ongoing marketing The new smart phone website contains all of the information in the latest catalogue and also includes additional resources such as brochures, technical datasheets and video training. " # $ % $ $ !

â&#x20AC;&#x201C; Technical datasheets â&#x20AC;&#x201C; Video Training â&#x20AC;&#x201C; Safety Sheets (MSDS) â&#x20AC;&#x201C; Installation Guides Smart phone website screen shots

National Sales T 1800 769 370 E: sales@msspower.com.au W: cabacpower.com.au W: msspower.com.au Page 12 - Australian Power & Energy News

The combined power of two great Australian companies Introducing â&#x20AC;&#x153;Platinum Seriesâ&#x20AC;? Battery Powered 13 Tonne Hydraulic Crimper

â&#x20AC;&#x153;A revolution in crimpingâ&#x20AC;?

PATENT No 13573/2011

Exclusive OHS compliant. No retract pinch points.

Superior quality. Pump block fully machined from premium grade aircraft alloy.

Rapid Highforce Crimping 300% Faster*

355Âş Head Rotation 355Â° head rotation.

Variable speed trigger for full piston control. Mechanical release trigger saves battery life.

100+ CRIMPS PER BATTERY CHARGE Visual Crimp Indicator - Audible Click & Visual Indicator

One hand operation. Ergonomically designed hand grip for unmatched comfort and safety.

CRIMPS UP TO 300% FASTER THAN OTHER BRANDS* VISUAL CRIMP INDICATOR ENSURES CORRECT CRIMP EVERY TIME

Quick recharge 18 V x 3.0 Ah Li-ion batteries.

NO RETRACT PINCH POINTS *Crimp speed comparison based on competitor published data at time of printing.

DIE SETS

Technical Data Output Force

*Head shown in closed position

The new MSS â&#x20AC;&#x153;Platinum Seriesâ&#x20AC;? Battery Powered Hydraulic Crimper has been designed to quickly and easily crimp electrical connectors up to and including 400mmÂ˛ CU. It has an industry exclusive automatic two speed pump design, delivering rapid advance, combined with unmatched high force crimping speed, up to 300% faster than other brands â&#x20AC;&#x201C; Worldwide.

Each tool is supplied with a 220v charger, 2 x re-chargeable batteries and a Heavy Duty Steel carry case. The crimping dies are supplied separately. Industry exclusive mechanical â&#x20AC;&#x153;Visual Pop-Up Indicatorâ&#x20AC;&#x153;, driven directly from the relief valve â&#x20AC;&#x201C; assuring a correct crimp each & every time. * Patent Pending. Audible â&#x20AC;&#x153;Clickâ&#x20AC;&#x153; Indicator â&#x20AC;&#x201C; assuring correct crimp pressure. Industry exclusive MSS design head & piston, completely removing all retract pinch points, for ultimate safety *Patent Pending.

14.6 Short Ton 13 tonnes 7.2 kg complete with 3.0Ah battery

Tool Weight

15.8 lbs

Jaw Opening

1.65 â&#x20AC;&#x153;

42mm

Length

16.45 â&#x20AC;&#x153;

425mm

Width

2.87 â&#x20AC;&#x153;

73mm

Height

11.4 â&#x20AC;&#x153;

290mm

Operating Voltage

18 V-DC

Recharge Time

1 hour

Battery

18V x 3.0Ah LI-I0N

Pressure biased release valve for easy piston retraction. Partial piston retract, speeding crimp cycle time, and saving battery life.

Proudly Australian

Part No. MSS-C130-42-18V

Call our 1800 number to organise a demonstration from our Power Sales Representative National Sales T 1800 769 370 E: sales@msspower.com.au W: cabacpower.com.au W: msspower.com.au Australian Power & Energy News - Page 13

Heywood Interconnector upgrade confirmed to benefit National Electricity Market proposal to increase the capability of the South Australian-Victorian Heywood electricity interconnector will deliver benefits to the National Electricity Market.

The proposal to install a third transformer at Heywood in Victoria, series compensation on 275 kV transmission lines in South Australia, and 132 kV network reconfiguration works in South Australia has been confirmed as the preferred option to increase transfer capability. The preferred option will enable increased wind energy exports from South Australia and also increase imports of lower-cost generation into South Australia, particularly at times of peak demand, and is expected to result in an approximate 40 per cent increase in interconnector capability in both directions. “A significant increase in the number of wind farms in South Australia over the past few years has resulted in the potential for more renewable power to be exported from that state via the Heywood Interconnector,” said AEMO Managing Director and Chief Executive Officer Matt Zema. ElectraNet Acting Chief Executive Officer Rainer Korte said: “Rigorous cost-benefit analysis has found that increasing the Heywood Interconnector’s transfer capability will deliver net market benefits of more than $190 million over the life of the project by significantly reducing generation dispatch costs over the longer term. These benefits will commence from the first year of operation.” The upgrade is outlined in a Project Assessment Conclusions Report (PACR)

Aurora completes network restoration two weeks early

URORA ENERGY proudly announced it had completed the restoration of its network electricity supply to areas in southeast Tasmania that were devastated by bushfire exactly two weeks to the day. CEO Dr Peter Davis said the final work on the network in Dunalley marked the end of the single biggest mobilisation of resources for an electricity emergency in Tasmania’s history. “While many Tasmanians are still reeling from the losses they suffered, we can all be proud of Aurora’s employees who have come from across the State to be part of this restoration effort,’’ he said. “Many of our people, from as far as Smithton, Scottsdale, St Helens and Strahan, have given up annual leave and left their families at home to work in difficult conditions for up to 16 hours straight over the two weeks. “The combined effort of our field workforce, plus those who provided support within Aurora and our interstate contractors was huge, surpassing the statewide responses we have

coordinated for major storm events including that of 27 September 2009. Dr Davis said it was poignant that the final work on the network today was at the Dunalley property of Mr Tim Holmes, who lost four of the five buildings on his property. An image taken by Mr Holmes of his wife Tammy sheltering their five grandchildren from the flames under a jetty in the Denison Canal has gone viral around the world. Dr Davis also thanked the local communities for their support, including the owners of the Eucalyptus Cafe at Port Arthur, who provided food and refreshments, volunteers at the Nubeena Community Centre, who found accommodation for crews and the licensees of the Dunalley Hotel, where Aurora’s Customer Kiosk was co-located. # Up to 250 Aurora employees and contractors worked at times on the restoration effort, restoring 618 poles, about 100km of high voltage and low voltage lines and installing 80 transformers.

Haywood Interconnector PACR prepared by ElectraNet and AEMO as the third and final stage of the Regulatory Investment Test for Transmission (RIT-T) process. The estimated commissioning date for the upgrade is July 2016. The total capital cost of the upgrade is estimated to be $108m, with $45m investment in Victoria and $63m in South Australia. The PACR is available on the AEMO website at www.aemo.com.au and the ElectraNet website at

Above: Aurora Energy workers carrying materials for the effort

CORONA CAMERAS ...excellent tools and available now! UÊUnparalleled range

Application of Corona Imagin g to MV & HV Ins ulator Manag ement

Issue 2, Novembe r 2008

UÊDigital and analogue

1. ABSTRACT

UÊUnique application support for ultimate effectiveness UÊExcellent Pricing!

by Trevor Lord and Graham Hodge Lord Consult ing Limited Christchurch, New Zealand

This paper examine networks. Therma s the current state of corona discharg l imaging has plant for many e imaging technolo been extensiv years, and ely used for the beneﬁts are now well surveying thermalgies for high voltage electrica of its applicat established. losses from l power ion to electrica The activity using buildings UV light generat newer cousin, corona l imaging, createsnetwork problem detectio and industrial proving itself as a very useful ed by the impact of excessiv n and an components. diagnostic tool e electric ﬁeld electronic image of corona diagnosis This paper focuses to network operato stress on air. discharge work and some Corona imaging rs concerned practical applicat on UV imaging in electrica is rapidly l power network with preserving the life ions of these of the system cameras. s, outlining the corona mechan isms at DETEC

TING ELECT RICAL CORO DISCHARGE

NA to ionise a complete electrica 2.1 in a flash-ove What is “Coron l path which r. The field would result a Discharge”? Normal dry gradients high corona can air at standard occur over very enough to cause pressure has atmospheric short localised the conduct a dielectric breakdo temperature or. regions close and 3kV/mm (3 wn value of to Corona typically x 10 6 -1 happens near shape and size Vm ). The exact value approximately As the a sharp air varies with the partially near the conductor become point or protrusion. pressure increaseof the electrodes and increase conductive) s ionised s s as the air Electrical corona[1,2]. size of the conduct it has the effect of increasin (and hence discharge (commo g the apparen or. Since this just “corona less sharp, the t new conduct ”) is a partial nly referred ionisation may to discharge in an electrica not extend far ive region is the air surroun as region, thus tending l conductor 1 past this local . It occurs gradient around These high electricto limit the corona’s extent when the electric ding [4]. field gradient field by poor (“corona onset”)the conductor exceeds s are usually a minimum design (such value, caused critical usually [3], strong enough as choosing either the electric in excess parameters field gradient of to ionise the that permit immediately to become gases present 2kV/mm regions) or because surrounding too high in in the something in the conduct localised or but not suffi air the designer’s control the environm ent not under cient a dirty has altered since or damaged installation (such component, as increased pollution , etc.). 2.2 Why is Corona Most of the noticeab Activity a Problem le effects of corona ? are undesira ble. These discharge activity include radio interfere nce and chemica power loss, audible noise, consequential l decomposition insulator and of air with metal compon Interestingly, corona does entry damage act to suppres they pass along [5]. s voltage surges its only merit. transmission lines but this as is believed to be 2.2.1 Power Loss Corona power loss depend (temperature, s on factors Figure 1: Corona such as weather pressure, made visible difference between humidity, by an analog wind-speed), UV camera line operatin the onset voltage, g voltage and 1. Corona discharge electric field is one of four smoothness, gradients, conductthe corona distinct types conductor size, of electrical breakdow or surface and system n of air. The others frequency. are: glow discharge Fair s, sparks, and arcs. 1

NEW

Low-cost full featured CoroCAM 6D camera available now!

Ask for a demo!

www.lordpowerequipment.com.au | 1800 128 000 Page 14 - Australian Power & Energy News

Essential Energy Acts Quick to Restore Power

HE recent severe weather event in New South Wales was also a test for Essential Energy, the operator of Australia’s largest electricity network. The company’s network covers 95% of NSW and the bad weather took its toll with around 40,000 customers left without power at the height of the storms. In the four days since the weather event commenced on Friday, 22 February Above: Coffs Harbour linesman Wayne Lawson and Keegan Wills working 2013, Essential Energy’s to re-string 400 metres of powerline at Mount Browne Road, Karangi Supply Interruptions service had received almost 24,000 incoming wheel drive vehicles to gain access to damaged calls from customers. Some 10,000 callers powerlines, poles and equipment. obtained information provided by our regularly Acting Regional General Manager North updated recorded messages and exited the call, Coast, Daniel Bylsma said crews had worked in and around 14,000 callers remained on the line extreme conditions and negotiated some tough to speak with an operator. terrain over five grueling days to get the power More than 500 Essential Energy employees back on. and vegetation contractors from across the state “Gaining access into many areas has been were immediately mobilised, including crews our biggest problem. from Cooma, Jindabyne, Albury, Bathurst, “Flood waters cut off a number of places Blayney, Orange and Young. Their job was including Kalang and Girralong, making it to repair the network and restore the power necessary to bring in helicopters and work supply. with the SES to assist with safe access to the The mobilisation was highly effective and network,” Daniel said. within a few days fewer than 45 customers Essential Energy is the operator of Australia’s remained without power of the 40,000 affected largest electricity network spanning 95 per cent on the North Coast at the height of the wild of New South Wales’ land mass. Owned by weather. the New South Wales Government, Essential Essential Energy workers restored supply Energy employs around 4,600 people and to customers in Kalang, Willawarrin, Karangi, also provides water and sewerage services to Dorrigo, Coramba and Bowraville using customers in far western New South Wales. helicopters and all-terrain lightweight four-

The combined power of two great Australian companies

The Strength Behind the Designs Michael Sneath, the Founder of MSS Power Systems and now the General Manager R&D for Linesmen tools for the Legend Corporation, has designed a new range of hydraulic and battery powered crimpers for the Utility market. “MSS Power Systems has always prided itself on developing new and innovative tools for Linesmen,” says Michael, “and we involve key Utilities and Contractors in the design process to ensure we develop the right tools for the market.” The acquisition of MSS Power Systems by Legend Corporation has strengthened its ability to offer uniquely Australian designed lugs and now crimpers to the Utility market. “Michael has added some serious design strength and knowledge to our R&D department which allows us to develop the complimentary tools for our range of lugs and connectors,” says Bradley Dowe, CEO of Legend Corporation. Utilities and Contractors are now not only able to use an industry leading range of lugs, they can also use one of the most advanced range of tools. “I wanted to ensure that whilst a Linesmen is working that the crimper is fast, crimps properly every time, is light-weight and is as manoeuvrable as possible. You could consider it an extension of his arm,” says Michael. The new light-weight Platinum crimper was developed with several unique features such as a Patented Audible and Visual Crimp Indicator which ‘pops’ to advise the right crimp pressure has been reached, and a lithium battery which is light-weight and provides 100+ crimps on a single charge.

One of the key features of the new Platinum crimper solves the OHS issue regarding the retraction of the die resulting in a pinch point. “I wanted to ensure that there was no pinch point when the die retracted into the head,” says Michael. Many competitor products suffer from this problem, but the new Platinum crimper’s smooth sides at the rear of the die remove this OHS issue. In addition, the body of the Platinum crimper is machined from light-weight Aluminium aircraft alloy which gives it lightness and superior durability and high quality. “With the expanded resources available to Michael we look forward to continuing the development of new and unique products for the Australian market,” says Bradley. Michael has recently completed new designs for hydraulic crimpers, cable cutters, impact wrenches and pole saws which can be viewed on the company’s website www.msspower.com.au.

General Manager Michael Sneath

National Sales T 1800 769 370 E: sales@msspower.com.au W: cabacpower.com.au W: msspower.com.au

Australian Power & Energy News - Page 15

New apprentices start careers at Delta T

EN new first year apprentices started their trade careers at Delta Electricity’s Western Region power stations on Friday 1 February 2013. Welcoming them to the fold are Maintenance Team Leaders’ Bill Murray (left) and Jim Merrick (right) who have successfully mentored many apprentices over the years.

The new first year Apprentices boost the total number of Apprentices that Delta hosts in the Western Region to 29. The new apprentices are engaged through a Group Apprenticeship Program managed by SkillSet. Cassandra Yates (far right) of SkillSet provides a valuable coordination and support role under the Group Apprenticeship Program.

The new apprentices will spend most of the next 6 months learning their trade at TAFE and applying their new skills at site initially for one day a week. After the 6 month intensive training period, the new Apprentices will spend their time at site learning on the job and being mentored by Delta’s experienced trades staff.

Giant goes for a three-day stroll in the South Burnett

HE massive Meandu Mine dragline will complete a three-day ‘walk’ in the South Burnett today as it begins a four month, $53 million overhaul. The dragline, nicknamed Hannibal, will travel 5.4 kilometres to a specially prepared overhaul area. Its 60 tonne shoes, which are required to lift its 3,000 tonne frame, will be among the first items replaced prior to the overhaul commencing. “Stanwell, which owns Meandu Mine, will be operating the mine for many years to come,” Stanwell’s General Manager of Mine Operations, Bob Rutten, said. “Crucial machinery such as the dragline needs to be overhauled to ensure it works as efficiently as possible during that time,” Mr Rutten said. The dragline will head across country at approximately 250 metres an hour along a purpose-built 40 metre-wide walkroad that is entirely on land within Meandu Mine. Once Hannibal’s huge bucket, rigging and ropes have been removed, it will then be handed over to Queensland contractor G&S Engineering Services for the four month overhaul project. Four major contractors will use about 160 people to do the overhaul. These people will bring extensive economic benefits to South Burnett businesses, which will provide accommodation, food and other services as they overhaul Hannibal. Meandu Mine provides coal for the neighbouring Tarong and Tarong North power stations, which are also owned by Stanwell.

Electrical Safety Products See our new web page www.hylec.com.au Custom Earths

Digital Voltage Indicator

Wireless Phasors Proving dead MV & HV Detectors

Proximity Voltage Detector Cable Identification Phase Rotation

10 Cal Arc Shileds FR Clothing Arc Flash & Electrical PPE Telescopic Sticks

Arc Flash Software Rubber Glove & Outers

Stray Voltage Detector

LV Detector Personal Voltage Detector

Cable & Hand Wipes

Satisfaction is always in stock

Custom Shrouds

HYLEC ENERGY SOLUTIONS Ph. + 61 (0) 7 3396 2220 Fx: + 61 (0) 7 3396 1217 Email: sales@hylec.com.au Page 16 - Australian Power & Energy News

Mobile Test ‘n Cal Delivers ‘No Fuss’ Onsite Certainty A

S ALL operators within the electrical industry know, onsite equipment accuracy is paramount and regular testing and calibration is essential to ensure workplace safety and equipment efficiency. The loss of downtime due to faulty electrical equipment can be costly and with regular testing and instrument calibration it needn’t be. Fortunately, one particular company excels in providing an onsite testing service which includes high voltage testing of electrical safety equipment; inspection of height safety equipment and calibration of electrical meters and measuring instrumentation. It’s one of the reasons why Mobile Test ‘n’ Cal has become Australia’s leading provider of onsite testing and calibration including high voltage testing. Mobile Test ‘n’ Cal service vans are state of the art and fully equipped to produce up to 210,000 volts safely which allow operators to test any piece of critical safety equipment on site. It includes anything from LV gloves rated at 500V to large elevated work platforms as well as cherry pickers or bucket trucks which may require testing up to 207kV. General Manager, Alex Loew is understandably proud of his onsite team in Queensland and his franchisees who operate across Australia. “Our aim is always to provide both quality and convenience and our professional technicians are fully qualified to deliver a constant high standard of service. It means that it’s a win-win situation. Our clients have peace of mind knowing that their equipment will always be work ready with the minimum of fuss because we test onsite and can determine potential equipment issues before they happen. From our point of view it’s a simple business formula and we know that by providing a high level of customer satisfaction our business growth is assured.” Electricity, much like water, is a basic resource that governs our lives and the efficiency of its delivery and use is critical to our standard of living. Whether in business, manufacturing, infrastructure or for private domestic use, electricity is essential to our wellbeing and there is hardly anything we do that doesn’t require some form of electrical power. Under the Electrical Safety Regulation 2002 it states that, “it is mandatory for an Employer or Self Employed Person in the electrical industry to ensure the suitability of any safety equipment, test equipment or test instruments every 6 months, with Test Results for the Test Instruments to be kept for a minimum of 5 years. Failure to comply can result in a maximum of 40 Penalty Points.” These regulations and others cover the electrical industry and for the most part, are about maintaining safety and efficient workplace standards as well as ensuring a consistent, standardised output of electrical supply and associated equipment. It’s in maintaining those mandatory standards that Mobile Test ‘n’ Cal establishes a clear point of difference over its competitors. For instance, the company’s takes the ‘laboratory’ to the client, no matter how large or small and the process applied dramatically reduces any service downtime when compared with the previous and traditional ways of testing and calibration.

Mobile Test ‘n’ Cal’s approach to calibration is based on comparing an instrument designed to measure with the required test standard but the test equipment they use is NATA Traceable and provides the highest levels of accuracy in the industry. The calibration process itself produces detailed reports for clients on the tested equipment as per the specifications of that particular piece of equipment. In effect the comprehensive testing and calibration process reveals both the current state of the device and reveals whether there is any potential for faults to occur. High voltage testing is a particular benefit for Mobile Test ‘n ‘ Cal clients because apart from the mobile service minimising downtime, the company’s vans are equipped to test any piece of safety equipment such as gloves, mats and hotsticks. The ability to test insulation materials is a huge safety issue and the company’s mobile technicians can ensure that any insulation material is performing to the specified standards incorporated within its design. Mobile Test ‘n’ Cal are qualified to meet compliance and mandatory requirements for the complete range of electrical measuring devices and safety equipment including; Insulated Gloves; Insulated Mats; Rescue Kits; Hot Sticks; Elevated Working Platforms; Tiger Tails; RCD Testers; Insulation Testers; Multimeters; Clamp meters; PAT Testers; Multifunction Testers and Voltage Testers. Mobile Test ‘n’ Cal’s first mobile laboratory hit the road in Queensland on February 7th 2011 and became an immediate success. The company was rewarded for its initiative in that same year when Mobile Test ‘n’ Cal won the national Master Electricians ‘Innovative Product or Service Award’. Today, the company operates a number of vans along with its team of mobile technicians to provide onsite testing and calibration services throughout Queensland. The company has also developed a franchise model which is proving successful in other states across Australia. Mobile Test ‘n’ Cal recently expanded its operations to include Papua New Guinea and now has an office in Port Moresby. Anyone interested in the company’s range of services or operating a franchise, whether an investor or potential business owner, should make their first stop at the Mobile Test ‘n’ Cal website; www.hvtest.com.au or phone: 1300 662 119.

Above: Mobile Test ‘n Cal service vans are state-of-the-art and fully equipped Australian Power & Energy News - Page 17

Feature

Substation Commissionings

Upgrade of Coolaroo zone substation benefits over 10,000 customers J

EMENA has recently completed an $8 million project to upgrade the Coolaroo zone substation to maintain the reliability of electricity supply to more than 10,500 residential, commercial and industrial customers in the Coolaroo, Meadow Heights, Greenvale and Roxburgh Park areas.

Because the zone substation had only a single transformer that was fully used in supplying these customers, Jemena has installed an additional transformer and new distribution feeders to service customers’ growing electricity needs. Jemena has also added two new high-voltage lines that will enable it to transfer load from other zone substations in times of high demand, thereby further improving the reliability of supply to customers. Richard Twisk, General Manager for the Jemena Electricity Network, which distributes electricity to more than 320,000 homes and businesses in north-west greater Melbourne, said: “With peak demand forecast to increase dramatically in what is one of the highest growth corridors in the Jemena Electricity Network area, the Coolaroo zone substation project is part of Jemena’s investment in maintaining and upgrading the company’s distribution network assets and zone substations to ensure we continue to provide safe, cost-effective, efficient and reliable supply to all customers at a time of rising peak demand and growth in customer numbers. “Over the past 10 years peak demand in the Jemena Electricity Network has increased by 23%, while customer numbers have grown by over 33% - from 240,000 in 1996 to 320,000 in 2012,” Richard Twisk said.

Above: Jemena has recently completed an $8 million project to upgrade to its Coolaroo zone substation in Melbourne

Balcatta substation Nearing Completion

LL civil works on the Balcatta substation site have been completed, with internal electrical work occurring between January and mid 2013. Project description To ensure network security and increase the power reliability within Balcatta and its surrounding suburbs, Western Power has developed a new substation at 163 Balcatta Road, Balcatta. The substation receives electricity from transmission lines which are used to carry electricity long distances around the network. The high voltage electricity carried by transmission lines into the substation is then transformed by equipment in the substation to a lower voltage that can be distributed out to our customers. As people continue to use more electrical devices for their personal lives, more electricity will be required to power them. Devices such as air conditioners, large screen televisions, personal computers and other day to day items which

rely on electricity to operate require us to create additional electricity infrastructure to meet the increase in the electricity demand. Civil contracts were released to market in October and a construction contractor has now been engaged. Western Power is pleased to announce that approval to commence development at the Balcatta Substation site was granted by the Western Australian Planning Commission in July 2011. Undergrounding of the overhead electrical system (distribution) at the corner of Mumford Place and Balcatta Road was completed in 2012, including the installation of conduits within the road reserve to allow for future underground cables. The surrounding distribution network has been undergrounded, improving the visual amenity of the site. Proposed timeline Electrical commissioning inside the substation January – Mid 2013 Project completion Mid 2013

The new Balcatta substation viewed from Mumford Place

Page 18 - Australian Power & Energy News

North Perth to Sutherland Street substation cable supply project

NSTALLATION works on the 132,000 volt (132 kV) transmission cable between Western Power’s existing substation in North Perth, located on Bourke Street, and a new substation to be established by the Public Transport Authority (PTA) on Sutherland Street, West Perth are scheduled to commence in late March 2013. We will provide advanced notification of the upcoming works closer to the installation period.

Project background Western Power received a request by the Public Transport Authority (PTA) to establish a new 132,000 volt (132 kV) underground cable to supply the PTA’s urban rail network. The proposed cable is required to cater for an increase in the PTA’s electricity demand, resulting from additional rail cars needed to meet the rising number of train commuters. To accommodate the growth in the PTA’s train services, Western Power is required to install a new 132 kV transmission cable between North Perth and West Perth. The transmission cable will be installed between the North Perth Substation, located on Bourke Street, to a new substation to be established on Sutherland Street, West Perth. The new substation will convert high voltage to a lower voltage to reinforce the supply to the rail network.

The works will include: • the installation of 132 kV transmission cable by open-trenching method within the road bitumen • the construction of an additional 132 kV transmission bay within the substation. The transmission bay is electrical equipment that is required to connect the cable to the substation • To ensure a reliable supply of power to the rail network is maintained, the cable is required to be completed by mid-2014. Western Power will remain in regular contact with local residents to ensure that they are informed of our progress with this project.

Proposed timeline • Cable installation works to commence March - June 2013 • Substation works June - November 2013 • Works completed and line energised December 2013

Major Milestones for Musselroe Wind Farm T HE final international shipment of components for wind turbines arrived at Bell Bay 17 January 2013.

Two key milestones for the Musselroe Wind Farm were reached, with the arrival of the final international shipment of components for turbines, and erection of the first fully complete wind turbine on site. The $395 million, 168 megawatt wind farm is under construction in north-east Tasmania and is due to be completed and operational by 1 July 2013. The Clipper Makiri arrived at the Bell Bay port from Italy, carrying blades, turbines and hubs that will eventually sit atop wind towers at the Musselroe site. The ship took a few days to unload completely, and components were progressively transported to the Musselroe site. Also ‘topping out’ of the first turbine tower, with all components lifted into place atop an 80-metre high turbine tower. Tasmania’s Energy Minister Bryan Green these milestones demonstrate the continued value the Musselroe project is

Above: The final shipment of components arrived at Bell Bay on 17th January providing for Tasmania, in particular the north-east of the state. “I expect the first turbines to be generating to the grid in March. Once it’s fully operational in the middle of this year, the wind farm will meet the electricity needs of up to 50 000 homes, equivalent to the residential power needs of the people of Burnie and Devonport,” Mr Green said. Project Director Andrew Hickman said civil works on the project are substantially complete, including wind turbine foundations, road and hardstands, the control building, switchyard and transmission line foundations. Mr Hickman said some aspects of the project have required use of specialised equipment. “Lifting of the top sections, nacelles and blades requires a

unique type of crane. The 1200 tonne crane we are using is the largest model telescopic crawler crane in the world. “Its task is a big one – to complete each tower, 80 tonnes of nacelle must be lifted 80 metres into the air,” Mr Hickman said. Completion of the 48 kilometre transmission line has also presented logistical challenges. “The path of the transmission line runs across some inaccessible terrain. The most efficient and cost-effective way to string the line through those areas is by helicopter.” Manufacture of major components is largely complete, with the fabrication of the wind turbine tower sections by Launcestonbased Haywards approaching completion and other components and equipment having either arrived or currently in transit.

Australian Power & Energy News - Page 19

Dangerous Summer - Networks Pull Together As well as regular updates and safety tips via local media, Essential Energy’s Supply Interruptions team took and made thousands of calls to keep anxious customers informed. Over a two-day period during the Northern incident, Supply Interruptions responded to more than 14,000 incoming customer enquiries.

Storms cause historic damage to Energex Network

S the New Year began several states throughout Australia experienced a difficult and, in some cases, disastrous bushfire and flood season. Early in the New Year heat waves which covered most of southern and eastern Australia caused a number of fires to spread across the country. The most devastating of these occurred in Tasmania and New South Wales where several large bushfires burnt out of control exacerbated by extreme temperatures and sometimes catastrophic conditions. In QLD Ex-Tropical Cyclone Oswald has been described by the Weather Bureau to be the largest weather system to hit south east Queensland since Cyclone Wanda in 1974 and in power interruption terms had a significantly larger impact area than either the 2011 Brisbane Floods or the 1998 The Gap storm.

marking the end of the single biggest mobilisation of resources for an electricity emergency in Tasmania’s history.

Fires hit south-east Tasmania

Regional NSW suported by Essential Energy

In south-east Tasmania approximately 3000 customers were left without power due to bushfires destroying electricity network infrastructure. The Tasmanian electricity distribution company, Aurora Energy, was faced with the task of replacing over 600 power poles, 100km of high voltage and low voltage lines and installing 80 transformers. In this time of crisis, other ENA members were quick to offer assistance with work crews and equipment to help restore power as quickly as possible. Teams from both Ergon Energy in Queensland and SP AusNet in Victoria were dispatched to assist in the power restoration process. This included the shipment of 59 tonnes of specialised mobile generation equipment to Tasmania (with transportation assistance provided by the RAAF) to provide temporary power to communities as crews worked on rebuilding the network. The restoration work finished 2 weeks ahead of schedule,

In NSW Essential Energy’s emergency response has been second to none - with safety top of mind, employees worked hard to clear vegetation from electricity infrastructure, reconstruct the network and restore power to thousands of affected customers – all in extreme temperatures and difficult conditions. At the peak of the storm and bushfire events around 29,000 customers were without power - 25,000 in Essential Energy’s Northern region and around 4,000 in the company’s Southern and South Eastern regions. Network damage was significant with around 53 power poles destroyed by fire in the Yass, Jerilderie and Tarcutta areas. A further 210 poles were destroyed in the Northern region, with around 110 burnt by the Warrumbungle National Park fire that tore through 46,000 hectares, leaving 51 properties, 113 outbuildings, livestock and farm machinery destroyed in its wake.

More than 300,000 homes and businesses across South East Queensland suffered power losses over the Australia Day long weekend as ex-Tropical Cyclone Oswald travelled slowly south across Energex’s network area. This was an unprecedented weather event for South East Queensland and resulted in the largest damage to the electricity network in the Energex company history. Energex called in all available crews and contractors and at times had more field staff in operations than during the 2011 floods and The Gap storms. More than 4000 electricity wires were brought down, mostly by trees and flying branches as winds reached around 125kmh. The effects of record rainfall severely hampered power restoration in some areas. Over the following three days, Energex crews and contractors worked side-by-side not just repairing the damaged network, but often rebuilding it, with 95 per cent of customers having their power restored by Thursday morning. Energex staff worked in difficult conditions to get power reconnected as quickly as possible. Electricity and water are a dangerous combination so the safety of the community and staff was the over-riding imperative for Energex. This meant some delays in getting power back on, however there were no significant safety incidents involving the community or Energex crew.

Ergon Energy delivers new technology to storm areas

ROPICAL Cyclone Oswald first created challenges for Ergon Energy’s network as it crossed the western coast of the Gulf of Carpentaria on January 21, disrupting power to communities across the Cape for several days. The 500 customers whose power was disrupted in the Cape communities were followed by about 90,000 more in the Ergon Energy area as the storm worked its way towards the east coast and then headed south. As the impacts reached the Wide BayBurnett region, about 50,000 customers had their power supply interrupted by either the direct or indirect effects of ex- Tropical Cyclone Oswald. As the weather system headed further south, it caused a another 7500 customers in the Toowoomba region to have their power supply interrupted, as well as many more in the South-East corner of Queensland and into Northern New South Wales. Page 20 - Australian Power & Energy News

In the midst of the recovery effort a new, portable high-voltage electricity technology designed and built by Ergon Energy was deployed for the first time in the Southern region. This was also its first use as part of a natural disaster response. The ‘Pegasus’ unit, one of three in Ergon Energy’s territory, allowed a large capacity generator to inject high-voltage electricity into the network and was a much more

effective option than a series of smaller generators. The extent of the damage in the Bundaberg and North Burnett was so immense that more than 300 field crews and many support staff are involved in the recovery effort, including Ergon crews from all parts of the state, colleagues from Energex and contracting companies.

As the eastern states bore the brunt of the fires and storms crews from across the ENA member businesses worked together to restore power to affected customers. Network businesses also worked closely with community representatives, home and business owners and emergency services and state government agencies to get power restored as fast as safe to do so. The patience and understanding of the broader community has been vital. ENA would like to acknowledge the incredible technical and communication expertise of network business employees across the affected areas which kept the community informed and turned the power back on.