NX SST的在太阳能行业中的应用

SouthwestSolarTechnologies,Inc.ASSETSFORCOLLABORATIONINCONCENTRATINGSOLARHerbHayden,CTOSouthwestSolarTechnologiesPhoenix-basedtechnologycompanydevelopingefficient,no-water-usesolarconcentratorsystemsfordistributedutilityapplicationsindesertregions2SouthwestSolarResearchPark•SSTheadquarterson18-acreindustrialsite•CentralPhoenix,nearSkyHarborInternationalAirport,I-10•Collaborativetestingfortheadvancementofrenewableenergytechnologiesfordesertregions3Operations•Securedurbanlocationforyearroundsunshine/testing•1MWGridinterface(SRP)andnaturalgasservice(SWG)•Solarmeteorologicalstation(NRELSOLRMAP)anddatacollection•Office&conferencespace,highspeedinternet•Prototypemachineshopfabricationandelectronicslab4Activities•Specializedsolarfacilityopenforthirdpartytestanddemonstrations•Advanceddesignandanalysissoftwareplatforms(CAD/FEA/CAM)•Prototypemanufacturingfacilities•Electronicsandcontrolslaboratory•DevelopmentofSSTdish,CPVanddish-thermaltechnology5SolarDishConcentratorWorld’slargestcommercialsolardish•320squaremeters•250kWoutput-lightandheat•2000sunssolarflux•Pointfocus-0.5meterdia.aperture•Suntrackingaccuracy0.1degree6Applications•Microturbine-Air-Cyclewithhybridfuelcapability•ConcentratedPhotovoltaic(CPV)•Directthermalapplicationssuchasindustrialprocessheatandsteam7CoreCompetencies•Optics(Zemaxandin-housecustomsoftware)•Structures/MechanicalEngineering(SiemensNX,SolidWorks)•Thermodynamics•Electronics,SoftwareandControls•TurboMachinery•ConcentratingPhotovoltaics89MirrorFacets…1mRadRMS9DishCPVOpticalModelSiemensNXwithPointSource•FluxmodelofdishandCPVarraysurfaceinSiemensNX,withsunaspointsource•Facilitatesinitialstudiesofdesignalternatives10FluxPredictionwithSunConvolutionRequiresProcessingExternaltoNXProjectedHorizontalPosition(in)ProjectedVerticalPosition(in)FluxPredictionwithNX+SunShape+SlopeError-20-15-10-505101520-20-15-10-505101520FluxW/cm20510152025SunshapeandmirrorerrorsmodeledbyexternalSSTcalculationinMatLab,andre-importingtoNX11MirrorTesting•SSTisdevelopingopticaldeflectometrymeasurementtoassessshape,focaldistanceandaccuracy,andtoidentifyproblemareas12SolarReceiverHightemperatureairistheheattransferfluid(nowater)TurbineEngineRecuperateddesignHighspeedalternator1.AtmosphericairiscompressedinCompressorstage2.PressurizedairtravelsthroughHeatExchanger(recuperator)topre-heatusingturbineexhaust3.Heatedpressurizedairsuperheatedinthesolarreceiverfromdishconcentratorsunlight.Combustorprovidesoptiontousefuelforheatwhensolarpowerisunavailable.4.Hotpressurizedairdrivesturbine,rotatesgenerator,producingelectricalpower,anddrivesthecompressor5.Exhausttravelsthroughheatexchangerandheatisrecovered6.AirisdischargedatatemperatureonlyslightlywarmerthanambientSSTDish-Turbine1314SouthwestSolar-ModularCPVforDish•ModularCPVReceiver-forDishaswellasTowersystems–Adeparturefrompreviousdesigns–Toleranttofluxvariation–limitationofexistingCPV–Liquidcooling–Lowcosttomanufacture•Benefits–Toleranttohotclimates,indifferenttoaltitude–Byproductheatavailableforcustomeruse–Energygainbytracking(30%overregularPV)–Forusewithdishandtowercollectors15SSTCPV-ModularApproachforDishes•DesignedforDishandTowersystems–Adeparturefrompreviousdesigns–Toleranttofluxvariation–limitationofexistingCPV–Liquidcooling–Lowcosttomanufacture•Benefits–Toleranttohotclimates–Indifferenttoaltitude–Byproductheatavailableforcustomeruse–Energygainbytracking(30%overregularPV)–Adaptabletoavarietyofdishandtowercollectors16SSTCPVModule-ApertureViewDCCombining,BoostandControlExample-UtilityScale50kWDishCPV•CPVArray“dome”•Inverterandradiatorintegratedon-dishstructureCPVArrayInverterRadiator/Fans/Pumps17DishScalabilityforCPV/Thermal18•SSTdish/mirrorisadaptabletorangeofsizesandshapes•Mirrorshapescanberectangular,square,goresections,triangles•CPVandthermalapplications•Heatcanoffsetfuel/electricityfor•Waterheating•Brineevaporation•Waterdistillation,MembraneDistillation•Processheat•Steampre-heating•ThermalairconditioningTestTracker–Smallerscaletesting1920