西班牙leonardo能源集团聚光太阳能介绍.ppt

bymanuela silvap rezsilva esi us es march3 2010 concentratedsolarthermalpowertechnnologytrainingsession1 http www leonardo energy org csp training course 5 lessons session1 introductiontoleonardoenergyfundamentalsofthermalconcentratingsystemssolarthermalpowerplants http www leonardo energy org csp training course 5 lessons leonardoenergy education trainingandadvocacyonsustainableenergy 170partnersfromindustryandacademiacontributetoleonardoenergyleonardoenergy scoordinationisdonebyateamofprofessionalsfromtheeuropeancopperinstituteanditseuropeannetworkof11offices5 000visitors day 69 000e mailsubscribers weeklywebinars monthlycourses whatcanyouexpectfromus globalsolarthermalenergycouncil reegle estelasolar protermosolar sevilleuniversity today swebinarpartners csptoday http www leonardo energy org csp training course 5 lessons solarthermalpower manuela silvap rezsilva esi us es fundamentalsofsolarthermalconcentratingsystems http www leonardo energy org csp training course 5 lessons solarthermalconcentratingsystems systemsthatmakeuseofsolarenergybyfirstconcentratingsolarradiationandthenconvertingittothermalenergyuses electricity solarthermalpower industrialprocessheatabsorptioncoolingchemicalprocesses solarenergy abundanthigh qualityenergyvariable ontime unevenlydistributed onspace lowdensity solarresourceavailability thesolarbelt 90 ofthetotalelectricitydemandcouldbesuppliedfromstpplantscovering300 x300km2 effcienttransmissionviahvdcwouldallowelectricitysupplytoremoteareaswithmoderatelosses desertecproject stpplantsinthemagrebareatosupplyelectricityforeuropeandafrica solarresourceavailability thedesertecproject whyhightemperature w t op t a q 2 q 1 t d t c beamirradiance radiativelosses emittedbyreceiver difuseirradiance m t q 2 q 1 w t op t a thesunasaheatsource whyconcentratesolarradiation w t op t a q 2 q 1 t d t c beamirradiance radiativelosses emittedbyreceiver difuseirradiance m t q 2 q 1 w t op t a idealconcentratingsystem thereceiver orabsorber convertsconcentratedsolarradiationtothermalenergy heat anidealreceivermaybecharacterizedasablackbody whichhasonlyradiativelosses receiver receiverlosses heat work electricity heatrejected geometricalconcentrationratio thegeometricalconcentrationratio cg isdefinedaswhereaabsisthereceiver orabsorber areaandacisthecollectionarea absorptionarea concentrator collectionarea opticalefficiencyofthereceiver idealconcentrator themaximumtheoreticalopticalefficiency whentabs tsky istheeffectiveabsorptivityofthereceiver thehighertheconcentratedsolarflux c i thebettertheopticalefficiency thehighertheabsorbertemperature thehighertheradiativelossand therefore opticalefficiencyislower thehighertheeffectiveemissivity thelowertheopticalefficiency globalefficiencyoftheidealconcentratingsystem idealconcentratingsystem foreachvalueofthegeometricalconcentrationratio thereisanoptimumtemperature thehigherthegeometricalconcentrationratio thehighertheoptimumtemperatureandtheglobalefficiency concentrationlimits thesunisnotapointlightsource seenfromtheearth isadiskofapparentdiameter s 32 themaximumconcentrationratioisgivenbywherenandn aretherefractiveindicesofthemediathatthelightcrossesbeforeandafterthereflectionontheconcentratorsurface otherfactorsaffectingrealconcentrators nonidealconcentratorsurface otherfactorsaffectingrealconcentrators sunshape typesofconcentratingsystems linefocus 2d parabolictroughs clfrpointfocus 3d centralreceiversystems parabolicconcentrators dishes realconcentratingsystems theoretical3d 462002d 215 manuela silvap rezsilva esi us es solarthermalpowerplants http www leonardo energy org csp training course 5 lessons solarthermalpower 100 renewablebasedonwellknowntechnologies materialssteelmirrorswaterthermaloilmoltensalts engineeringelectricalmechanicalthermal solarthermalpower the fuel isbeamsolarradiationpredictablewithincertainlimitsstorageandhybridizationprovideaditionalbasisfordispatchabilitycentralizedordistributedgeneration solarthermalpowerhasaveryhighpotentialofcontributiontotheelectricitysystemduringthenextdecades solarthermalpowerplant basicconfiguration beamirradiance concentrator receiver thermalstorage concentratedirradiance electricity powerconversionsystem thermalenergy boiler fossilfuelbiomass mainconcentratingtechnologies centralreceiver heliostats parabolictroughs parabolicdishes linearfresnelreflectors solarthermalpowerplants solarthermalconcentratingsystemsforelectricity energy generation cspintheancienttimes cspinthemoderntimes cets brevehistoria a os80 plantasdedemostraci n recenthistoryofcsp pontevedra uned julio2007 other unrealized projects solgas 1993 1996 hybridsolar gascogenerationplant col nsolar 1997 1998 integrationofsolarenergyinaconventionalpowerplant nevadasolarone bouldercity nv 2006 ps10andps20 seville spain 2007and2009 kimberlina bakersfield ca 200