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1、SPEEDAM2010InternationalSymposiumonPowerElectronics,ElectricalDrives,AutomationandMotionANovelElectricEnergyManagementStrategyappliedinHybridPVSystemHong-ChanChang*,Li-ChienHuang*,andCheng-ChuanChen**DepartmentofElectricalEngineering,NationalTaiwanUniversityofScienceandTechnology
2、,No.43,Sec.4,KeelungRd.,Taipei,106,(Taiwan)Abstract--ThispaperpresentsahybridPVsystemsystemisdecreased,theoutputpowerofgridwillbeoperatedinaccordancewithanelectricenergymanagementincreasedtosupporttheload.Theproblemofpowerun-strategyforpubliclightingequipmentsinapartmentreliabili
3、tyisthereforesolved.However,powerquality,buildings.WeattempttoalternatePVwithgrid-connectedislanding,andsafetyissuescausedbyarestillthemainpowersystemstoavoidtheoccurrencesofislanding,safeconcernsforthesafetyofhumanbeingsandtheprotectionandthelowreliabilityofpowersupplyinequipmen
4、titself[6]-[7].standalonePVsystemthroughimplementingtheelectricBesides,solarpowersystemneedstobeconstructedinenergymanagementstrategypresentedherein.Thepowerconversiondevicesincludedintheproposedsystemcontainanextensiveopensite.Take2kWsolarpowersystemforbuck-boost,push-pull,full-
5、bridgeinverter,switchesandexample,itcontains16piecesofsolarmodulesof125W.high-efficientdigitalsignalcontrollerasmeansofachievingAstheapartmentbuildingsspreadallovertheMPPT,powerchargingandpowersystemswitching.Ametropolitanareaandtheplaceisdensewithextremely100Wexperimentalprototy
6、peofhybridPVsystemwashighpopulation,thelargePVsystemisin-applicableinbuiltinthelab.Experimentalresultsareshowntoverifythebigcitiesforhomeusageduetothelimitedarea,notoeffectivenessofproposedenergymanagementstrategy.mentionitmightcausepublicdangerinthecase.Forthesereasons,weherebyp
7、resentahybridPVIndexTerms--energymanagementstrategy,system,togetherwithanelectricpowermanagementphotovoltaicsystem,MPPT.strategyforapplication.Whenthesolarenergyisenoughtomeettheload,thegridwillbeleftalone.IfthesolarI.INTRODUCTIONenergyisinsufficienttosupplypower,thesourceofGloba
8、lwarminghascontinuouslyincreasedthepower
