1、東南大學(xué)碩士學(xué)位論文基于場(chǎng)路耦合方法的變壓器附加損耗計(jì)算與分析姓名：熊波申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電機(jī)與電器指導(dǎo)教師：林鶴云20080421AbstractAbstractWitlltheincrementofthetransformercapacitytheleakagemagneticfieldandadditionallOSSofⅡansformerarealsoincreasedwhichmayreducetheefficienc

2、yandincreasetheoperatingcostoftransformerThefactthatthenon—uniformdistributionofleakagemagneticfieldwillresultinthenonuniformdistributionofeddycmTentlOSSinstructuralcomPOnentandlocaloverheatingandsothenorlnaloperatingand

3、lifeoftransfo珊erwillbeaffectedThereisimportantsignificancetodeeplystudythecalculationofleakagemagneticfieldandadditionallOSSdistributionsBasedonrelevantliteratures，thecalculationofleakagemagneticfieldandadditionallossoft

4、ransformerisstudiedinthethesisThethreedimensionfieldcircuitcoupledmodelofleakagemagneticfieldisderivedTheadditionallossofactualtransformersiscalculatedandthecalculationresultsareverifiedbyexperimentSeveralfactorswhichaff

5、ecttheadditionallOSSarestudiedandsomeconclusionsaregainedThethreedimensionfieldcircuitcoupledmodelofleakagemagneticfieldwhichiSbasedonthemagneticvectorpotentialAiSdeducedindetailAndthefiniteelementanalysismodeloftransfor

6、merleakagemagneticfieldisgainedbysimplifyingthestructureoftransformerT1leleakagemagneticfieldisanalyzedbyusingtheANSYSsoftwareInthecalculationofleakagemagneticfield，thepermeabilityandconductivityofironcorematerialaredisp

7、osedasanisotropictoequivalenttothelaminationeffectofironCOreplatesTakingtheunsaturatedofleakagefieldintoaccounLmagneticmaterialsaredisposedaslineartosimplifythecalculationInthepost—processingofleakagemagneticfield，thedis

8、tributionofeddycurrentlossiscalculatedThecalculationresultofadditionallOSSagreeswellwiththeexperimentalresultTheStudvofseveralfactorswhichaffecttheadditionallossshowsthatadditionallOSScanbereducedbyusingthenonmagneticmat

9、erialsasstructuralcomponentoradjustingthedistanceamongstructuralcomponentsBasedontheabovestudy，asoftwarepackageisdevelopedforthecalculationoftransformeradditionallossdistributionThesoftwareincludestwoparts：acommandlinepr

10、ogrambasedonAPDLparametriclanguageandaprogramforthemodelmodificationandresultdisplaywhichisprogrammedbytheCBuilderThesoftwareishelpfulforengineerstoknOWthedistributionofleakagemagneticfieldandadditionalloss【Keywords]tran