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

Schlaich Bergermann und Partner EnviroDish and EuroDish System And Status ISES 2003 Göteborg, June 15-19, 2003 Thomas Keck and Wolfgang Schiel

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

Schlaich Bergermann und Partner Dish Stirling Principle Solar radiation Generator Stirling Receiver Concentrator Receiver Tracking Ray pattern

Schlaich Bergermann und Partner Dish Stirling Status: 10 kW dish Stirling System at PSA

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

Schlaich Bergermann und Partner FEM Analysis of new Segmented (12) Concentrator Design

Schlaich Bergermann und Partner EuroDish Facet fabrication: 12 segments of glass fibre reinforced resign Master Pattern Heating elements Attaching glass mirrors Stiffening ribs on mould rear side

Schlaich Bergermann und Partner EuroDish Concentrator Erection Mounting of segments to ring truss

Schlaich Bergermann und Partner EuroDish Motion Controller

Schlaich Bergermann und Partner SOLO Stirling 161

Schlaich Bergermann und Partner Two Euro Dish units in Operation at PSA/Spain

Schlaich Bergermann und Partner EuroDish Test Results 2 ] Incident Flux [kW/m 150 1.2E4 -- 1.3E4 1.1E4 -- 1.2E4 100 1E4 -- 1.1E4 9000 -- 1E4 50 8000 -- 9000 7000 -- 8000 Y Axis [mm] 0 6000 -- 7000 5000 -- 6000 -50 4000 -- 5000 3000 -- 4000 2000 -- 3000 -100 1000 -- 2000 0 -- 1000 -150 -150 -100 -50 0 50 100 150 X Axis [mm] 2 ] Incident Flux [kW/m 1600 -- 1700 150 1500 -- 1600 1400 -- 1500 100 1300 -- 1400 1200 -- 1300 50 1100 -- 1200 1000 -- 1100 Y Axis [mm] 900.0 -- 1000 0 800.0 -- 900.0 700.0 -- 800.0 -50 600.0 -- 700.0 500.0 -- 600.0 -100 400.0 -- 500.0 300.0 -- 400.0 -150 200.0 -- 300.0 100.0 -- 200.0 0 -- 100.0 -150 -100 -50 0 50 100 150 X Axis [mm]

Schlaich Bergermann und Partner EuroDish Test Results 10 9 8 7 Net Power (kW) 6 5 4 3 2 1 0 0 200 400 600 800 1000 Solar Insolation DNI (W/m²)

Schlaich Bergermann und Partner EuroDish Test Results 50,0 44,8 kW 45,0 42,1 kW 39,6 kW 40,0 33,6 kW 35,0 Power in KW 30,0 100% 25,0 94% 88% 20,0 75% 15,0 10,8 kW 9,8 kW 9,5 kW 10,0 21% 24% 22% 5,0 0,0 y t r g r % p t e o n i s e v v t 0 i c a i c i l t e r 0 i c r r i t e c t e 1 i e S s t e n l a n r f R e a e r I G a l R o P S

Schlaich Bergermann und Partner Technology Expectations / Learning Curve Yearly energy production at 2800 W/m²/a 35.0% 35.0 Max. power Power [kW] and yearly energy production [MWh/unit] Average system efficiency 30.0 30.0% 31.1 MWh/a Peak system efficiency 29.6 MWh/a 28.2 MWh/a 25.2% 26.5 MWh/a 25.0% 25.0 25.3 MWh/a 25.3 MWh/a 19.6% 20.0 20.0% 19.9% 15.9% 15.0 15.0% 11 kW 10.8 kW 10.4 kW 10 kW 10 kW 10 kW 10.0% 10.0 5.0% 5.0 0.0 0.0% 100 /year 1‘000 /year 3‘000 /year 10‘000 /year DISTAL 2 EuroDish

Schlaich Bergermann und Partner Levelized Electricity Cost: Dish-Stirling vs. Diesel generators LEV of Dish-Stirling with increasing production rate Fuel 0.55 Levelised Electricity Cost in €/kWh Maintenance 0.50 Replacement/Overhaul 0.45 Initial Equipment 0.40 fuel cost 0.35 of 0.75 €/litr Yearly solar insolation of 2000 kWh/m²/a DNI 0.30 Yearly solar insolation of 2800 kWh/m²/a DNI fuel cost 0.25 of 0.5 €/litre 0.20 fuel cost of 0.25 €/litre 0.15 0.10 0.05 Dish - Stirling Dish - Stirling Dish - Stirling Diesel generator sets (low (medium (high @ selected fuel costs production rate) production rate) production rate) g t

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

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