/Small_Hydro_POPEHYE_Final

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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