micro_Inverter

《micro_Inverter》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、PVEnergyExtractionCharacteristicStudyunderShadingConditionsforDifferentConverterConfigurationsHuiyingZheng,StudentMember,IEEEShuhuiLi,SeniorMember,IEEEandJulioProanoshzbbrandsofPVmodulescanbeaffectedconsiderablyevenbyAbstract--Asolarphotovoltaic(PV)energyconversionsystemre

2、quirespowerconvertersformaximumpowerextractionandshadingofthebranchofaleaflesstree.Therefore,itisgridintegration.Atpresent,typicalconverterconfigurationsimportanttounderstandwhatthedifferencesoftheenergyusedinasolarPVsystemincludecentral,stringandmicroextractioncharacterist

3、icsarewhenusingdifferentconverterconverterbasedPVsystems.Inordertodevelopefficientandschemes.In[10],itisindicatedthatacentralconverterPVreliableenergyconversiontechnologies,thispapercomparesthesystemexperiencesmultiplepeaksundershadingconditions,energyextractioncharacterist

4、icsofaPVsystemfordifferentresultingindifficultiesinmaximumpowerpointtracking.Inconverterconfigurations.ThepaperparticularlyfocusesonhowenergyextractioncharacteristicsofaPVarrayareaffectedby[8,11],itispointedoutthatthestringconvertersystemhasunevenshadings.Thepaperalsopropos

5、esbypassdiodetheadvantageincapturingthemaximumpowerofeachstringarrangementsforPVmodulesandarrays.AdetailedcomparisonofPVmodulesseparately.In[6,8],itiscommentedthatstudyisconductedtoinvestigatewhatareenhancementsandmicroconverterPVsystemiseffectivetoovercomeshadingimpactsbyu

6、singdifferentbypassdiodeschemes.ItisfoundthatimpactandenhancePVsystemefficiency.But,nodetailedcomparedtomicro-converterbasedPVsystems,thecentralcomparisonstudieshavebeenconductedpreviouslyonPVconverterschemewitheffectivebypassdiodeconnectionscouldarrayperformanceusingdiffer

7、entconverterstructures.beasimpleandeconomicsolutiontosignificantlyenhancePVAnotherissueforaPVsystemishowbypassdiodeswithinsystemefficiency,reliabilityandperformance.aPVmoduleinfluencesthesystembehavior.Traditionally,eachPVmodulehasabypassdiode[12].Thispaper,IndexTerms–solar

8、PVsystem,unevenshading,powerextractioncharacteristics,powerelectronicconverter,byp