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1、VOL.4,NO.5,JULY2009ISSN1819-6608ARPNJournalofEngineeringandAppliedSciences©2006-2009AsianResearchPublishingNetwork(ARPN).Allrightsreserved.www.arpnjournals.comLOWVOLTAGERIDE-THROUGH(LVRT)OFGRIDINTERFACEDWINDDRIVENPMSG123RajveerMittal,K.S.SandhuandD.K.Jain1DepartmentofElectricala
2、ndElectronicsEngineering,MaharajaAgrasenInstituteofTechnology,Rohini,Delhi,India2DepartmentofElectricalEngineering,NationalInstituteofTechnology,Kurukshetra,Haryana,India3GuruPremSukhMemorialCollegeofEngineeringunderGGSIPUniversity,Delhi,IndiaE-Mail:rajveermittal@hotmail.comABST
3、RACTInrenewablepowergenerationthewindenergyhasbeennotedasthemostrapidlygrowingtechnology;itattractsinterestasoneofthemostcost-effectivewaystogenerateelectricityfromrenewablesources.Windgenerationsystemhaspotentialapplicationforthegridsupport.Thevoltageofthedirectdrivenpermanentm
4、agnetwindgenerators(PMSG)isvariableduetotheintermittentnatureofthewindenergy.Fluctuatingvoltageandpowerisofmajorconcernintheconverterbasedgridconnectedwindgenerationsystems.AninverterisessentialfortheinterfacingofthewindsourcewiththeACnetwork.Therearemanypossibleinvertertopologi
5、esandinverterswitchingschemesandeachonewillhaveitsownrelativeadvantagesanddisadvantages.Variablespeedpermanentmagnetsynchronousgeneratorsareusedformaximumpowerextractionfromthewindenergyconversionsystem.Thispaperdiscussestheinterconnectionissuesofthesegeneratorstolocalgridasperp
6、revailinggridstandardsduringhealthyandfaultconditions.Thefaultride-throughtopologyforPMSGhasbeendemonstratedusingMATLABSimulinkbasedsimulation.Keywords:wind,LVRT,power,energy,speed,control,permanentmagnetsynchronousgenerator.1.INTRODUCTIONMoreoverwhendesigningthecontrolstrategyi
7、tseemsBecauseofsomechallengessuchasconventionalthatthegenerator-sideconvertermustcontroltheextractedenergysourcesconsumption,pollution,globalclimatepowerasitislocatedclosertotheincomingpower.Hencechangeandsecurityofenergysupply,significanteffortsthegrid-sideconverterwouldcontrol
8、theDCvoltage.havebeenmadetodeveloprenewableener
