Fast Fast site site evaluation evaluation for for high high head head SHPP SHPP The The tool tool POPEHYE POPEHYE Jean -Louis Boillat Jean-Louis Boillat && Gianluca Gianluca Gatti Gatti
th Lausanne Lausanne ,, 30 30th June, June, 2005 2005
ÉC O L E PO L Y T EC H N IQ U E FÉ DÉR A LE D E LA U SAN NE
Introduction
Objectives
POPEHYE: POPEHYE: Predimensionnement Predimensionnement et et Optimisation Optimisation Economique Economique des des Petits Petits amĂŠnagements amĂŠnagements HYdro-Electriques HYdro-Electriques Pre-dimensioning Pre-dimensioning and and Economical Economical Optimization Optimization of of Small Small Hydropower Hydropower Plants Plants -- Make Make easier easier the the feasibility feasibility study study of of unexploited unexploited sites sites -- Encourage Encourage alternatives alternatives analysis analysis -- Contribute Contribute to to the the optimization optimization of of the the project project
Justification of the projet
Introduction
Water Water resources resources for for HP HP in in Switzerland Switzerland 90% Exploited
10%
Renewable Renewable energy energy exploitable exploitable by by Small Small Hydropower Hydropower Plants Plants with with aa power power generally generally lower lower then then 22 MW MW
Steps
Methods an computation steps
Computation Computation steps steps Hydrological Hydrological analysis analysisof ofthe the catchment catchmentarea area Economical Economicaloptimization optimization of the design of the designdischarge discharge Pre-dimensioning Pre-dimensioningof ofthe the main mainhydraulic hydraulicstructures structures
Steps
Methods and computation steps
Step Step 1: 1: Hydrological Hydrological analysis analysis of of the the catchment catchment area area --Method Methodof ofKoella, Koella,without withoutdirect direct measurements measurements --Gumbel Gumbeladjustment adjustment
-- Empirical Empiricalmethods methods -Kursteiner -Kursteiner -Haufbauer -Haufbauer -M端ller -M端ller -Lauterberg -Lauterberg -Melli -Melli
Steps
Methods and computation steps
Step Step 2: 2: Economical Economical optimization optimization of of the the design design discharge discharge
-- Computation Computationof ofannual annualcosts costsand andbenefits benefitson on the thebasis basisof ofunit unitor orglobal globalprices prices -- Choice Choiceof ofthe theproject projectdischarge discharge
Project discharge
Steps
Methods and computation steps
Step Step 3: 3: Pre-dimensioning Pre-dimensioning of of the the main main hydraulic hydraulic works works Forebay Settling basin Water intake Conveyance channel
Project discharge
Power plant Penstock
Pre-dimensioning of the hydraulic works
Steps
Tyrolian Tyrolian water water intake intake (grid, (grid, openings) openings) b2
b1
Flood level
H1
Residual discharge
H2
Steps
Pre-dimensioning of the hydraulic works
Tyrolian Tyrolian water water intake intake (grid, (grid, openings) openings)
Steps
Pre-dimensioning of the hydraulic works
Settling Settling basin basin (dimensions, (dimensions, number) number)
Steps
Pre-dimensioning of the hydraulic works
Settling Settling basin basin (dimensions, (dimensions, number) number)
Steps
Pre-dimensioning of the hydraulic works
Conveyance Conveyance channel channel (under (under pressure pressure or or free free surface) surface) Under Underpressure pressurechannel channel
Free Freesurface surfacechannel channel
Steps
Pre-dimensioning of the hydraulic works
Forebay Forebay Free Freesurface surface incoming incoming
Under Underpressure pressure incoming incoming
Steps
Pre-dimensioning of the hydraulic works
Penstock Penstock
Diameter (m)
Steps
Turbine Turbine
Pre-dimensioning of the hydraulic works
Tool
Program Program on on EXCEL EXCEL sheet sheet User’s User’s interface interface in in VBA VBA
Excel program
Further developments
Taking Taking into into account account of of additional additional sub-catchment's sub-catchment's area area Integration Integration of of additional additional dimensioning dimensioning formula formula Integration Integration of of additional additional types types of of hydraulic hydraulic works works Computation Computation of of dimensions dimensions for for hydraulic hydraulic structures structures Cost Cost functions functions considered considered by by the the designer designer Standard Standard execution execution maps maps Link Link with with external external programs programs (( GIS, GIS, RS, RS, HS, HS, …) …) Compilation Compilation of of the the program program in in VB VB Additional Additional languages languages (F, (F, G, G, E, E, I) I) Etc… Etc…
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