太阳能光伏并网逆变器设计原文及翻译

《太阳能光伏并网逆变器设计原文及翻译》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、Grid・ConncctedSolarMicroinverterReferenceDesignAbstract-Intraditionalgrid-connectedPVsystem,ifshardtoremovefailureofindividualPVpanels.ThispaperpresentsaSolarPVGrid-ConnectedMicro-inverterwhichcanbeembeddedinasinglestand-alonephotovoltaicpaneltosolvetheproblem

2、ofsinglepointoffailure.Forasinglephotovoltaicpanel,ratedpoweroftheMicro-inverteris220W,usingthetopologyofinterleavedflybackconverter.Keywords-Micro-inverter;interleavedflybackconverter;grid-connected;PVpanelI.INTRODUCTIONWiththedrainingoffossilfuelandincreasin

3、glyseriouspollutioncausedbytraditionalpowergenerationmethodsacrosstheworld,renewableandpollution-freeenergyhasgainedmuchattentionineconomicandpoliticalfields.Renewableenergyincludesphotovoltaic(PV)andwindpowergenerationsystems・Wideapplicationofrenewableenergyi

4、snowimpededbycostandextensiveresearchesshallbeconductedinordertoimprovecosteffectiveness.PVsystem,alsoknownassolarconverter,hasgainedpopularityinrecentyearsasaconvenientrenewableenergywithgoodprospects.Highproductioncostandlowconversionefficiencyofsiliconsolar

5、panelaremajordefectsofPVenergy.CosteffectivenessofPVprojectswillbecomemorereasonablewiththeapplicationofnewPVpanelproductiontechnologyandtheimprovementofconverterefficiency.I.EVOLUTIONOFPVSYSTEMA.TraditionalGrid-connectedSystemTraditionalgrid-connectedPVsystem

6、iscomprisedof:UrbanHomeSystem一multiplesolarpanelsareconnectedinserialtosupply200-400VDCandoutputmediumpower(2-10KW)ACelectricity.IfcertainPVpanelintheseriesloopisdamaged(i.e.singlepointoffailure),theentiresystemwillbecrashed,i.e.thesystemisunstableSingleInvert

7、erWithMultipleDC/DCConverters-multiplePVpanelsareconnectedinparallelafterDC/DCconversiontoinputtotalDCbusbarvoltagetoinverterandincreaseoutputpower.SuchcircuitstructurealsohasproblemofsinglepointoffailuremeanwhilefusionofDCpowersupplyisverycomplex.UrbanHomeSys

8、temWithStringInverters一PVpanelproviding200-400VinputDCvoltageisconnectedtomultipleparallelinverterstogeneratemediumpower(2-10KW)120/240VACpowersupply.Multipleparallelinverterscanbo