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1、GenerationControlCircuitforPhotovoltaicModulesToshihisaShimizu,Member^IEEE,MasakiHirakata^TomoyaKamezawa,andHisaoWatanabeAbstract—Photovoltaicmodulesmustgenerallybeconnectedinseriesinordertoproducethevoltagerequiredtoefficientlydriveaninverter.Howevenifevenaverysmallpartofphoto
2、voltaicmodule(PVmodule)ispreventedfromreceivinglightsthegenerationpowerofthePVmoduleisdecreaseddisproportionately.ThisgreaterthanexpecteddecreaseoccursbecausePVmoduleswhichdonotreceiveadequatelightcannotoperateonthenormaloperatingpoint,butratheroperateasloads*Asaresult,thetotal
3、powerfromthePVmodulesisdecreasedifevenonlyasmallpartofthePVmodulesareshaded.Inthepresentpaper,anovelcircuit,referredtoasthegenerationcontrolcircuit(GCC),whichenablesmaximumpowertobeobtainedfromallofthePVmodulesevenifsomeofthemodulesarepreventedfromreceivinglight.Theproposedcirc
4、uitenablestheindividualPVmodulestooperateeffectivelyatthemaximumpowerpointtracking,irrespectiveoftheseriesconnectedPVmodulesystem.Inaddition,thetotalgeneratedpowerisshownexperimentallytoincreasefortheexperimentalset-upusedinthepresentstudy.IndexTerms—ACinteractiveinverter,multi
5、stagechopper,photovoltaicmodule.RECENTLY,awarenessoftheimportanceofprotectingtheglobalenvironmenthasbeengrowing,leadingtocallsforprogressintheeffectiveuseofenergyinvariousfields.Asaresult,notonlymethodsforsavingenergy,butalsothedevelopmentofthenewenergysourceshasbeeninvestigate
6、d*PVcellsarecurrentlyconsideredtobeanewenergysource,andagreatdealofresearchhasbeenconductedinthisfieldoverthelastfewdecades.Asaresult,themajordisadvantagespreviouslyassociatedwiththeapplicationofPVpowergeneration,suchasinitialcost,generationefficiency,andreliability,nolongerpre
7、sentsuchasignificantproblem.PVgenerationisaflexiblepowergenerationmethodwhichisapplicableinbothsmallandlargepowergenerationplants,plantsthatgenerateanywherefromlessthan3kVAtoover100kVA.Inrecentyears,interestinsmallPVpowergenerationsystemsdesignedtobeinstalledandusedinthehouseha
8、sgrown.However,especiallyinurbanareas,variousproblemsl