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1、华中科技大学硕士学位论文AbstractThedual-PMWconverterwhichusedintheDoubly-FedInductionGeneratorisconsistedoftwofullysymmetricalPWMconverters;thesetwoconvertersareconnectedthroughaDCbus.Theoutputofthegenerator-sideconverter,whichistheinputoftherotor,directlycontrolstherunningoftheDoubly-
2、FedInductionGenerator.Thedual-PMWconvertercontrolisthecoreoftheDoubly-FedInductionGeneratorrunningcontrol.Inviewofthis,thepaperattempttodosomesimulationresearchofthecontrolofdual-PMWconverter,whichisusedintheDoubly-FedInductionGenerator.Firstly,thecharacteristicsofthedual-P
3、WMconverterwereanalyzedinthispaper,andtheworkprincipleofthedual-PMWconverterwaselaborated.Thenthepaperestablishedthemathematicalmodelfromthree-phasestaticcoordinatesystemoftheDoubly-FedInductionGenerator.Accordingtothecoordinatetransformationtheory,thepaperfurtherestablishe
4、dthemathematicalmodeloftheDoubly-FedInductionGeneratorfromthetwo-phasestaticcoordinatesystemandthetwo-phaserotatingcoordinatesystem.Basedonthemathematicalmodel,aftertheintroductionoftheprincipleofvectorcontrol,thepaperidentifiedthepowergridvoltagevectororientationasthemetho
5、dofthecontrolofgrid-converter,thenestablishedthecontrolmodelofthegrid-sideconverter,anddesignedthecontroldiagramofthegrid-sideconverter.Next,thepaperestablishedthemathematicalmodeloftheDoubly-FedInductionGenerator.Basedonthemathematicalmodel,statorfluxvectororientationwasid
6、entifiedasthecontrolfashionofgenerator-sideconverter,thencontrolmodelwasestablishedandcontroldiagramwasdesigned,too.Finally,inuseoftheMATLAB/LIMULINKsimulationsoftware,accordingtothecontroldiagram,thepaperestablishedthesimulationmodelofthedual-PMWconverter.Inthelightofthesi
7、mulationmodel,thepaperdidaseriesofsimulationstudies.Thesimulationresultsshowedthatthecontroltargetsofthegrid-sideconverterandthegenerator-sideconverterwearachievedsuccessfully.Keywords:DFIG;dual-PMWconverter;control;simulationII独创性声明本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所
8、知，除文中已经标明引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写过的研究成果。对本文的研究做出贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到
