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1、2004.?51hAnnualIEEEPowerElectronicsSpecialistsConferenceAachen,Germany,2004ANovelMethodtoEstimatetheMaximumPowerforaPhotovoltaicInverterSystemEduardoI.rtiz-RiveraandFang.PengDept.fElectricalandComputerEngineeringMichiganStateUniversity2120Engineeringuilding,EastLansing,MI48824-1
2、226Email:ortizeduegr.msu.eduAbstract-Thispaperdescribesanovelmethodtostraightforwardpowerflowanalysis.Tosolvethisproblem,approximatethemaximumpowerforaphotovoltaicinverterthispaperproposesanovelmathematicaldynamicmodelsystemforsolardistributedgeneration.Itisdesignedforforutility
3、applications,usingthedcsidedynamicequationspowersystemsapplicationsandutilities.Theproposedmethodforasolarpanelandthelinearreorientedcoordinatestakesinconsiderationtheinteractionbetweensolarpanels,photovoltaicinverter,MaximumPowerPointTrackingmethod.(MPPT)control,solarpaneldcsid
4、edynamicmodelandtheThisdynamicmodelhastheadvantagetotakeineffectiveintensityoflightoverthesolarpanel.Thenewconsiderationthebehaviorofthesolarpanelsfordifferentmethodhastheadvantagetoprovideanewsimplewaytointensitiesoflightandinitialconditionsofthecurrent.Itapproximatetheoptimalv
5、oltageorratedvoltage(Vop),thedescribesthepowerandcurrentproducedbyPVinverter,optimalorratedcurrent(lop)andmaximumpowerratingtheoperationsoftheMPPTwiththeinteractionofthe(Pmax)producedbyasolarpanelandthephotovoltaicinverter.Furthermore,thisstraightforwardmethodwillbeinverterandth
6、eeffectsoftheintensityoflightAlso,annamedLinearReorientedCoordinatesMethod(LRCM)withapproximatesymbolicsolutionisgiventodeterminethetheadvantagethatPmaxandVopcanbeapproximatedusingoptimalvoltageofoperationandthemaximumpowerusingthesamevariablesasthedynamicmodelwithoutusingMPPT.T
7、hemethodtoapproximatetheoptimalvoltagecomplicateapproximationsorTaylorseries.Finally,some(Vop)andmaximumpower(Pmax)isnamedLinearsimulationsresultsarepresented.ReorientedCoordinatesMethod(LRCM).TheLRCMisasimplemethodwhichitusesthesamevariablesastheKeywords-Photovoltaicpowersystem
8、s,solarenergy,solarproposeddynamicmodelanditisa
