ISES 2003 Gteborg, June 15-19, 2003 Thomas Keck and Wolfgang Schiel - - PowerPoint PPT Presentation

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ISES 2003 Gteborg, June 15-19, 2003 Thomas Keck and Wolfgang Schiel - - PowerPoint PPT Presentation

Jan 26, 2023 48 likes •231 views

Schlaich Bergermann und Partner EnviroDish and EuroDish System And Status ISES 2003 Gteborg, June 15-19, 2003 Thomas Keck and Wolfgang Schiel Schlaich Bergermann und Partner The EuroDish Project Main objectives: Preparation of

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Schlaich Bergermann und Partner

ISES 2003

Göteborg, June 15-19, 2003 Thomas Keck and Wolfgang Schiel

EnviroDish and EuroDish System And Status

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Schlaich Bergermann und Partner

The EuroDish Project

Main objectives:

Preparation of market introduction Erection of country reference systems

Partners:

SBP: Project leader and system design SOLO: Stirling engine K+S: Control system MERO: Concentrator, turntable, erection DLR/PSA: testing and evaluation

Sponsor:

EC under Joule III

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Schlaich Bergermann und Partner

Dish Stirling Principle

Solar radiation Stirling Concentrator Tracking Receiver Generator Ray pattern Receiver

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Schlaich Bergermann und Partner

Dish Stirling Status: 10 kW dish Stirling System at PSA

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Schlaich Bergermann und Partner

EuroDish Design

1 Concentrator shell 2 Stirling support structure 3 Stirling unit 4 Elevation drive rail 5 Azimuth drive rail 6 Foundation 7 Azimuth motor 8 Switch case 9 Turntable 10 Ring truss 11 Elevation bearing

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Schlaich Bergermann und Partner

FEM Analysis of new Segmented (12) Concentrator Design

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Schlaich Bergermann und Partner

EuroDish Facet fabrication: 12 segments of glass fibre reinforced resign

Master Pattern Heating elements Stiffening ribs on mould rear side Attaching glass mirrors

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Schlaich Bergermann und Partner

EuroDish Concentrator Erection

Mounting of segments to ring truss

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Schlaich Bergermann und Partner

EuroDish Motion Controller

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Schlaich Bergermann und Partner

SOLO Stirling 161

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Schlaich Bergermann und Partner

Two Euro Dish units in Operation at PSA/Spain

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Schlaich Bergermann und Partner

EuroDish Test Results

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50 100 150

Incident Flux [kW/m

2]

X Axis [mm] Y Axis [mm]

1.2E4 -- 1.3E4 1.1E4 -- 1.2E4 1E4 -- 1.1E4 9000 -- 1E4 8000 -- 9000 7000 -- 8000 6000 -- 7000 5000 -- 6000 4000 -- 5000 3000 -- 4000 2000 -- 3000 1000 -- 2000 0 -- 1000

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50 100 150

Incident Flux [kW/m

2]

X Axis [mm] Y Axis [mm] 1600 -- 1700 1500 -- 1600 1400 -- 1500 1300 -- 1400 1200 -- 1300 1100 -- 1200 1000 -- 1100 900.0 -- 1000 800.0 -- 900.0 700.0 -- 800.0 600.0 -- 700.0 500.0 -- 600.0 400.0 -- 500.0 300.0 -- 400.0 200.0 -- 300.0 100.0 -- 200.0 0 -- 100.0

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Schlaich Bergermann und Partner

EuroDish Test Results

1 2 3 4 5 6 7 8 9 10 200 400 600 800 1000 Solar Insolation DNI (W/m²) Net Power (kW)

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Schlaich Bergermann und Partner

EuroDish Test Results

44,8 kW 42,1 kW 39,6 kW 33,6 kW 10,8 kW 9,8 kW 9,5 kW 0,0 5,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 45,0 50,0 S

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a r 1 % R e f l e c t i v i t y I n t e r c e p t R e c e i v e r S t i r l i n g G e n e r a t

  • r

P a r a s i t i c s Power in KW

100% 94% 88% 75% 24% 22% 21%

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Schlaich Bergermann und Partner

0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 Power [kW] and yearly energy production [MWh/unit] 0.0% 5.0% 10.0% 15.0% 20.0% 25.0% 30.0% 35.0%

Yearly energy production at 2800 W/m²/a

  • Max. power

Average system efficiency Peak system efficiency 25.3 MWh/a 25.3 MWh/a 26.5 MWh/a 28.2 MWh/a 29.6 MWh/a 31.1 MWh/a 10 kW 10 kW 10 kW 10.4 kW 10.8 kW 11 kW 19.9% 15.9% 25.2% 19.6%

DISTAL 2 EuroDish 100 /year 1‘000 /year 3‘000 /year 10‘000 /year

Technology Expectations / Learning Curve

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Schlaich Bergermann und Partner

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Levelized Electricity Cost: Dish-Stirling vs. Diesel generators

Dish - Stirling (medium production rate) Diesel generator sets @ selected fuel costs Dish - Stirling (high production rate) Dish - Stirling (low production rate)

Levelised Electricity Cost in €/kWh

fuel cost

  • f 0.25 €/litre

LEV of Dish-Stirling with increasing production rate Fuel Maintenance Replacement/Overhaul Initial Equipment

0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55

fuel cost

  • f 0.5 €/litre

fuel cost

  • f 0.75 €/litr

Yearly solar insolation of 2000 kWh/m²/a DNI Yearly solar insolation of 2800 kWh/m²/a DNI

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Schlaich Bergermann und Partner

Outlook: BMU Project

Objectives: Further cost reduction and

preparatory steps for market introduction.

Project Partner:

SBP: System development SOLO: Stirling K+S: Remote control MERO: Fabrication and erection DLR: Testing and operation

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Schlaich Bergermann und Partner

BMU Project: Working packages

WP 1: Preparing series production WP 2: Operation of the two units in Spain WP 3: Erection of Country Reference Systems