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1、5708IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.60,NO.12,DECEMBER2013AParameterizationApproachforEnhancingPVModelAccuracyYousefA.Mahmoud,WeidongXiao,Member,IEEE,andHatemH.Zeineldin,Member,IEEEAbstractReliableandaccuratephotovoltaic(PV)modelsareessent
2、ialforsimulationofPVpowersystems.Asolarcellistypi-callyrepresentedbyasinglediodeequivalentcircuit.Thecircuitparametersneedtobeestimatedaccuratelytogetanaccuratemodel.However,onecircuitparameterwasassumedbecauseofthelimitedinformationprovidedbycommerc
3、ialmanufacturingFig.1.Equivalentcircuitofdouble-diodeandsingle-diodemodel.datasheets,andthusthemodelaccuracyisaffected.ThispaperproposesaparameterizationapproachforPVmodelstoimproveTherearevariousmethodspresentedinliterature,forextract-modelingaccura
4、cyandreduceimplementationcomplexity.Itde-ingparametersofsinglediodePVmodels.Oneapproachwouldvelopsamethodtoaccuratelyestimatecircuitparameters,andbetousethedevicephysicstodevelopexpressionsfortheIVthusimprovingtheoverallaccuracy,relyingonlyonthepoint
5、sprovidedbyallcommercialmodulesdatasheet.Theproposedcurveparameters,butsuchparameterswouldbeintermsofmodelingapproachresultsintwosimplifiedmodelsdemonstrat-semiconductormaterialconstantsandmanufacturingvariablesingtheadvantageoffastsimulation.Theeffec
6、tivenessofthesuchasdopingdensities[5],[13],[24].Mostsemiconductormodelingapproachisthoroughlyevaluatedbycomparingtheconstantsvaryconsiderablywithproductionspreadandarenotsimulationresultswithexperimentaldataofsolarmodulesmadeprovidedinamanufacturersd
7、atasheet[5],[13],[24].Alook-ofmono-crystalline,multi-crystalline,andthinfilm.uptable-basedmodeltoapproximatelyrepresenttheIVcurveIndexTermsEquivalentcircuit,modeling,parameterization,ofthePVcellispresentedin[25],butitishighlysimplifiedandphotovoltaic(P
8、V),solarcell.resultsinahighmodelingerror.Anotherapproachistouseer-rorminimizationoptimizationanalyticaltechniques[26],[27]I.INTRODUCTIONornumericaltechniques[13],[21],[28]toestimateparametersHOTOVOLTAIC(PV)systemstudiesneedareliableandofthePVequation
