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1、Inter-turnFaultDetectioninPMSynchronousMachinesbyPhysics-basedEMFEstimationAliSarikhaniOsamaA.MohammedEnergySystemsResearchLab.EnergySystemsResearchLab.DepartmentofElectricalandComputerEng.DepartmentofElectricalandComputerEng.FloridaInternationalUniversi
2、ty,FloridaInternationalUniversity,Miami,USAMiami,USAasari001@fiu.edumohammed@fiu.eduAbstract--Inter-turnshortcircuitfault(ISCF)detection,inInfaultdetection,thetwoimportantfactorsincludethepermanentmagnetsynchronousmachines(PMSM)waschoiceofpropersignaland
3、thedecisionmakingtechniquedevelopedusingaphysics-basedbackelectromotiveforce[1].Inrecentliterature[2-10],theextractionoffault(EMF)estimator.Theelectro-thermalsaturation-dependentfeaturesfromdifferentsignalsinbothinductionandPMmodelofthemachinewasemployed
4、intheheartoftheopenmachineswasattemptedbysomeauthors.Theseincludes,loopestimator.ThefaultdetectionsystemworksbasedonthetheestimationofEMF[2],fieldvoltageinasynchronousdifferencebetweentheestimatedEMFandareferenceEMF.A0.8(kW)PMSMmachinewasstudiedexperimen
5、tallymachine[3],strayfluxes[4]currentsignatureanalysisunderdifferentISCFandoperationalcontingencies.Theusingmultiple-referenceframetheory[5]transformedresultsshowacceptableperformanceinfaultdetectionforphasevoltagesintothestationarydq0referenceframewides
6、peedrangeeveninthepresenceofharmonicloadsandbeforeanalysis[6],thenegativesequenceoftheinjecteddynamiceccentricities.highfrequencycurrent[7],referencevoltagesgeneratedbycurrentcontrollers[8],electromagnetictorqueIndexTerms__Inter-turnFault,permanentmagnet
7、waveformsandthesummationofphasevoltages[9],thesynchronousmachine,back(EMF)estimation,physics-basedmodelofPMSMfluxmeasuredbysearchcoilplacedinthestatorteeth[10].ThecommonlyusedtechniqueiscurrentsignatureI.INTRODUCTIONanalysis(CSA)[1].AlthoughCSAinaninduct
8、ionmachineshowspromisingresults,inPMSMdrivestheTheprogressivebehaviorofinter-turnshortcircuitfaultfaultsignaturesisdistributedbetweenthecurrent,voltage,(ISCF)andthedemagnetizationofPMissuearethemainandelectromagnetictorque
