資源描述:
《光伏發(fā)電的MPPT》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、ElectricPowerComponentsandSystems,36:12081217,2008Copyright?Taylor&FrancisGroup,LLCISSN:1532-5008print/1532-5016onlineDOI:10.1080/15325000802084703Simpli?edMaximumPowerPointTrackingMethodfortheGrid-connectedWindPowerGenerationSystemHURNG-LIAHNGJOU,1KUEN-DERWU,1JINN-CHANGWU,2andJI
2、A-MINSHEN11DepartmentofElectricalEngineering,NationalKaohsiungUniversityofAppliedSciences,Kaohsiung,Taiwan,R.O.C.2DepartmentofMicroelectronicsEngineering,NationalKaohsiungMarineUniversity,Kaohsiung,Taiwan,R.O.C.AbstractAnovelmaximumpowerpointtracking(MPPT)methodforthegrid-connect
3、edwindpowergenerationsystemisproposedinthisarticle.ThemainfeatureoftheproposedmethodisthattheMPPTofthewindpowergenerationsystemcanbeobtainedviaonlyadjustingtheamplitudeoftheDC/ACinverter’soutputcurrentandobservingtheoutputDCvoltageofanAC/DCpowerconverterconnectedwithapermanentmag
4、netsynchronouswindgenerator(PMSWG).Thus,nopracticalcalculationofgeneratedpowerofthePMSWGisrequired.Experimentalresultsofthedevelopedprototypeshowthattheperformanceoftheproposedmethodisasexpected.Keywordsmaximumpowerpointtracking,windpower,powerconverter1.IntroductionTheconvention
5、alenergysourcesforelectricalpowerarehydraulicpower,fossilfuels,andnuclearenergy.Thewidelyusedfossilfuelsresultintheproblemofgreenhouseemissionsworldwide,whichalsodamagestheearth’senvironment.Moreover,fossilfuelswillbeexhaustedinthefuture,andtheircosthasbeenevidentlyincreased.TheK
6、yotoagreementonglobalreductionofgreenhouseemissionshaspromptedinterestinandplacedimportanceontheissueofrenewableenergysourcesworldwideinordertorelievetheproblemsofgreenhouseemissions.Manyrenewableenergytechnologieshavebeendeveloped,includingwindpower,whichisoneofthemostimportantr
7、enewableenergysources[14]withalowercostthanotherrenewableenergy.Powerconverterinterfaceisveryimportantforusingwindpowereffectively.Max-imumpowerpointtracking(MPPT)isoneofthekeytechnologiesforpowerconverterinterfaceofthegrid-connectedwindpowergenerationsystem.ManyMPPTtechnologiesh
8、avebeenproposed,suchastheperturbationand