Concentrating Solar Power Technologies and Concentrating Solar Power Technologies and Innovations Innovations PSA Félix M. Téllez High Solar Concentration Technologies CIEMAT-PSA Madrid, Spain SEGS PSA CERN Acad. Training. Toward Sustainable Energy Systems? Slide 1 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Towards Sustainable Energy Systems? Speeches 1 & 2 of 4: 1) Solar thermal Power Plants. On the verge to 1) Solar thermal Power Plants. On the verge to Commercialization Commercialization (To introduce the technology, the survey the context, the To introduce the technology, the survey the context, the ( potential, the glabal and Mediterranean market, oportunities, potential, the glabal and Mediterranean market, oportunities, ...) ...) 2) Concentrating Solar Power Technologies and 2) Concentrating Solar Power Technologies and Innovations Innovations (To introduce the technological options, the status of the (To introduce the technological options, the status of the technologies, the roadmap for cost reduction and innovations, technologies, the roadmap for cost reduction and innovations, …) …) CERN Acad. Training. Toward Sustainable Energy Systems? Slide 2 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Solar thermal Power Plants. Solar thermal Power Plants. On the verge to Commercialization On the verge to Commercialization Outline � Component’s basis • Concentrators • Receivers • “solarization” of cycles � Power plants • Actual projects • Innovations CERN Acad. Training. Toward Sustainable Energy Systems? Slide 3 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Why Concentration? − 4 4 ( T T ) η = α − σ ε abs amb * * φ rec Conc * * Q = α φ − σ ε − gain 4 4 * Conc * * *( T T ); abs amb A CERN Acad. Training. Toward Sustainable Energy Systems? Slide 4 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Why Concentration? And estimation of the Central Receiver “maximum” (C~500-1000) Thus, given: Technical efficiency • The nominal concentration on receiver, and • The technical cycle Parabolic Troughs (C ~50) We could choose an “optimal” working temperature CERN Acad. Training. Toward Sustainable Energy Systems? Slide 5 Lecture 2 of 4: Projects and innovations; March, 28th 2006
What is Concentration? CERN Acad. Training. Toward Sustainable Energy Systems? Slide 6 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentration has a limit CERN Acad. Training. Toward Sustainable Energy Systems? Slide 7 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentrators: With paarbolic concentrator (3D): Cmax ~46000/4 =11500 (2D): Cmax ~ 215/2 = 110 CERN Acad. Training. Toward Sustainable Energy Systems? Slide 8 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Loss of Concentration ratio Spherical curvature, no waviness Spherical curvature, no waviness Spherical curvature, no waviness σ σ = = σ σ + + σ σ + + σ σ 2 2 2 2 2 2 2 2 D D S S sp sp c c Variability of Focal Image Spherical curvature, with waviness Spherical curvature, with waviness Spherical curvature, with waviness Summer solstice, 7:30 a.m. Summer solstice, 7:30 a.m. Summer solstice, 7:30 a.m. Summer Solstice, solar noon Summer Solstice, solar noon Summer Solstice, solar noon Summer Solstice, 7:30 p.m. Summer Solstice, 7:30 p.m. Summer Solstice, 7:30 p.m. CERN Acad. Training. Toward Sustainable Energy Systems? Slide 9 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Other Concentrators: Solar TWO CERN Acad. Training. Toward Sustainable Energy Systems? Slide 10 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentration realistic limit: ′ 2 n = Conc. limit may be higher with different media: Cmáx n sen θ 3 D 2 2 S Real concentration systems include imperfections, errors, etc.: Two-stage Concentration DISH CERN Acad. Training. Toward Sustainable Energy Systems? Slide 11 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentrators Development Central Receiver ASM-150 Heliostat performance is � excellent and well- established GM-100 Reducing costs of early � builds is needed. Reduction of installation � and maintenance costs eing tested in PS-10 Actual sizes ~120 m2 � Actual costs ~240 €/m2 � (installed) ATS-150 SAIC-170 CERN Acad. Training. Toward Sustainable Energy Systems? Slide 12 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentrators Development Parabolic troughs CERN Acad. Training. Toward Sustainable Energy Systems? Slide 13 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Concentrators Development Parabolic Dishes WGAssociates ADDS � Stirling Energy � SAIC/STM SunDish System System Systems � 22 kW Hybrid Grid-Tie � 9 kW Remote � 25 kW Grid-Tie � 10 kW Grid-Tie � EURODISH � DISTAL CERN Acad. Training. Toward Sustainable Energy Systems? Slide 14 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Receivers CERN Acad. Training. Toward Sustainable Energy Systems? Slide 15 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Receivers CERN Acad. Training. Toward Sustainable Energy Systems? Slide 16 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Receiver choice 2000 Future Developments 1500 Temperature (ºC) Tube –cavity Includes Stirling Volu - métric 1000 Tube external 500 Tubo (Parab. Trough) 0 0 20 40 60 80 100 120 140 160 Pressure (bar) CERN Acad. Training. Toward Sustainable Energy Systems? Slide 17 Lecture 2 of 4: Projects and innovations; March, 28th 2006
CERN Acad. Training. Toward Sustainable Energy Systems? Slide 18 Lecture 2 of 4: Projects and innovations; March, 28th 2006
“Solarising” Bryton cycles E.g.:Projects:REFOS/SOLGATE/SOLHYCO: CERN Acad. Training. Toward Sustainable Energy Systems? Slide 19 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Example of pressurized air technology Proj.: REFOS,SOLGATE,HST,SOLHYCO… Planta de Ciclo Planta de Ciclo Unidad Unidad Receptor Combinado Combinado Solar Solar Gas Campo de Heliostatos Turbina de Gas Ciclo de Vapor CERN Acad. Training. Toward Sustainable Energy Systems? Slide 20 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Project SOLGATE CERN Acad. Training. Toward Sustainable Energy Systems? Slide 21 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Solarization of an Allison C-20 turbine exhaust duct power turbine compressor combustor wheels gasifier turbine wheels CERN Acad. Training. Toward Sustainable Energy Systems? Slide 22 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Solgate test and Evaluation (2002) Utilization of solar flux measurements: Solar fraction • For qualitative (upto 70%) diagnostic • For estimation of Figure 40. Figure 41 the steady-state GT Efficiency thermal efficiency of ( ~18%) receiver modules 3 and receiver cluster. Total Electricity 4 (~190 kWe) Solar Electricity 5 Figure 42 (~ 130 kWe) Solar Flux at 13.745 hours CERN Acad. Training. Toward Sustainable Energy Systems? Slide 23 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Combined Cycles Challenge: Materials for high temperature (& at acceptable costs) CERN Acad. Training. Toward Sustainable Energy Systems? Slide 24 Lecture 2 of 4: Projects and innovations; March, 28th 2006
International SPP Projects are seeking Support from the Global Environmental 90 + X MW Facility (GEF) in the el Steam Turbine framework of Operational Program Forced draught fan No.7 X MW el Fuel Supplementary Firing 200MW Gas Turbine Solar Field for High Pressure Steam Fuel The ISCCS Concept Solar Field for Low Pressure Steam CERN Acad. Training. Toward Sustainable Energy Systems? Slide 25 Lecture 2 of 4: Projects and innovations; March, 28th 2006
Integrated Solar /Combined Cycle System (ISCCS) concept CERN Acad. Training. Toward Sustainable Energy Systems? Slide 26 Lecture 2 of 4: Projects and innovations; March, 28th 2006
LEC Solar and Fossil in EURO/kWh Fuel cost Subsidies 0.12 0.10 GEF / PF 0.08 Sub O+M Cost Coste capital sidy Average Solar-Fósil without GEF subsidy Conventional part Campo solar Average Solar-Fósil with GEF subsidy 0.06 Inves tment Solar 0.04 Fuel Field CS O+M IOnvestment Cost O+M Power Block O+M Solar Field 0.02 Parte convencional Investment Power Block 0.00 1000 2000 3000 4000 5000 6000 5000 h Fossil 1000 h Solar CERN Acad. Training. Toward Sustainable Energy Systems? Slide 27 Lecture 2 of 4: Projects and innovations; March, 28th 2006
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