Felix Tellez - SFERA

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Solar field – receiver relationship: Concentratedsolar flux distribution on apertureFlat PlateReceiverCavityReceiverCylindrical ExternalReceiverNon-homogeneous flux distributions over the receiver decreases the efficiencyand the life time of receiver (thermal stress)STE with Central Receiver Systems F. TéllezSlide 36
The Receiver is a key componentThe receiver is a key sub-componentin the development of CentralReceiver technology. From severalpoints of view:• Concentrates most of the perceptionof "technological risk" attributable tothe technology• it may represent a significant part ofthe investment cost (ie ~ 17% inGemasolar)• Its efficiency is a proportional factorin overall plant performance (~ totalelectricity)• Its design continues being achallenge for engineering (since thateach design solution is tailor-madeaccounting for a large set ofconstrains)0,42%2%13%17%Distribución de los costes de inversión14%33%Inversión Total en Campo SolarInversión Total Bloque de PotenciaInversión Total en ReceptorInversión Total TorreInversión Total Caldera de GasInversión Total AlmacenamientoCostes Indirectos20%STE with Central Receiver Systems F. TéllezSlide 37
Page 1 and 2: Solar Thermal Electricity (STE) wit
Page 3 and 4: Main Components of STE with CRRecei
Page 5 and 6: CR Systems: A little historySTE wit
Page 7 and 8: 1970’s: Odeillo solar furnace•
Page 9 and 10: STE-CR. Actual Characteristics• T
Page 11 and 12: CRS: Some key elements.Component’
Page 13 and 14: The heliostat is a key element in t
Page 15 and 16: Heliostats technology.Examples of p
Page 17 and 18: Heliostats technology.Some of the l
Page 19 and 20: The Optical Quality of the Solar Fi
Page 21 and 22: Heliostats - Components - Drive Mec
Page 23 and 24: Heliostats - Components - Control S
Page 25 and 26: Emerging concepts: More Modularity
Page 27 and 28: CRS. Actual status of heliostat dev
Page 29 and 30: Besides, the loss of efficiency of
Page 31 and 32: Atmospheric attenuationBesides, the
Page 33 and 34: Solar field design is aimed to choo
Page 35: STE with Central Receiver Systems F
Page 39 and 40: The choice of the receiver type and
Page 41 and 42: Heat storage (and hibridization) in
Page 43 and 44: Status of the CRS - Heat Storage•
Page 45 and 46: Almacenamiento Heat storage térmic
Page 47 and 48: CRS with Water-SteamSTE with Centra
Page 49 and 50: State of the artSTE with Central Re
Page 51 and 52: STE-CR with Steam.Ex. Optional sche
Page 53 and 54: PS-10.Daily OperationDaily Operatio
Page 55 and 56: PS10. Operation in a day requiring
Page 57 and 58: Annual electricity productionSTE wi
Page 59 and 60: Ivanpah: 440 MWe (by Brightsource ~
Page 61 and 62: CRS with Molten SaltsAdvantages‣
Page 63 and 64: Precedent Molten Salts receiversRec
Page 65 and 66: Precedent Molten Salts receivers•
Page 67 and 68: STE-CR with Molten salts and large
Page 69 and 70: CRS with AirSTE with Central Receiv
Page 71 and 72: Plant schemeReceiverHot Air 680ºCS
Page 73 and 74: CRS with (pressurized) AirSTE with
Page 75 and 76: STE-CR with Pressurized airAir Pres
Page 77 and 78: • Combined system• Possibility

Felix Tellez - SFERA

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