Simulation and Analysis of the Performance of Low Concentration

Simulation and Analysis of the Performance of Low Concentration

ID:40101691

大小:1.84 MB

页数:7页

时间:2019-07-21

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1、SIMULATIONANDANALYSISOFLOWCONCENTRATIONPVMODULESMichaelMunschauerandKlemensHeumannInstituteofMeasurementandControlEngineering,TUBerlin,Einsteinufer19,10587Berlin,Germany,phone++49-30-31422281,fax++49-30-31425526,e-mailmicha@hamy.ee.tu-berlin.deAbstract-Thispaperdesribesthemethodologyandtheresultso

2、ftheinvestigationoflowconcentrationPVmoduleswithregardtoenergyyieldandeconmics.ThestudydealswithPVelementsthatpossesslowgeometricconcentrationfactorsandwhicharesituatedatlocationsthatarepredominantlyexposedtodiffuseradiation.Themirrorsconsistofflataluminiumplatesandflatglassplatesrespectively.Thes

3、tudylinksexperimentalresultstocomputersimulations.Thesi-mulationsvarythematerialandthesizeofthemirrors,thereflectorpitchangle,theorientationoftheconcentratingunitsandtheratedpoweroftheinverterinordertofindouttheoptimalconfigurationofthePVplant.ThesimulationresultsshowthatlowconcentratingPVelements

4、representanattractivealternativetoconventionalPVplantsevenatlocationsthatarepredominantlyexposedtodiffuseradiation.Especiallytwo-axestrackedPVplantsallowasignificantdecreaseoftheenergycosts.ThemeasuringresultsshowthattheinhomogeneousirradianceonthesurfaceofthePVmodulesresultsinsignificantenergylos

5、sesduetotheserialinterconnectionofthesolarcells.1.INTRODUCTIONneousirradiancedistributiononthesurfaceofthePVmoduleisdiscussed.AsummaryofthethecomputermodelsisgivenConcentratingthesunlightonsolarcellsbymeansofcheapre-beforetheresultsofthecomputersimulationsarepresented.flectingorrefractingmaterials

6、cansignificantlyreducethecostsofsolarenergy.Itiswellknownthattheemploymentofcon-2.MEASURINGEQUIPMENTcentratingphotovoltaicelementsallowsaconsiderablecostreductionatlocationsthatarepredominantlyexposedtothe2.1Measuringequipmentfortheskyradiancedistributiondirectsolarradiation.Thegroundworkofallsimu

7、lationsisthemeteorologicaldata-Luqueetal.(1995)estimatedtheenergycostsatMadridbasethatcontainsinformationsabouttheskyradiancedistribu-(Spain)to0.07SU$/KWhforPVplantsthatusehighconcen-tion,thetotalsolarradiationon

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