稀土永磁同步电机电抗参数测试与研究

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1、沈阳工业大学硕士学位论文稀土永磁同步电机电抗参数测试与研究姓名：魏红军申请学位级别：硕士专业：测试计量技术及仪器指导教师：姜代维20030305一一婆里三些奎堂堡主堂垡堡塞一————————————————————————————————————————————————一一MeasurementandStudyontheReactanceParametersofRareEarthPermanentMagnetSynchronousMachinesAbstractThereactanceparameterisallimportantparameterindesigning

2、theRare·earthPermanentMagnetSynchronousMachines(PMSM)．aswellasaimportantparameterintheresearchofelectricmachines’capabilities．BecauseofthediversityandcomplexityofPMelectricmachinesrotorslnlcture，themeasurementofreactanceisalwaystheemphasesanddifficultyinthemeasurementofPMSM．Theequipments

3、andmethodswereonthelevelofmanualoperatiotkInthispaper,authorpaidasystemicresearchintothreekindsofmeasuremeans：DirectCurrentAttenuationMethod，VoltageintegralMethod,andDirectLoadMethod；theoreticallyanalyzedthemeasuremethodsofsyncllmnoIlsarmaturereactionreactance，andevendevelopedatestsystem

4、toautomaticallymeasl．t化thesynchronousarmaturereactionreactance．Ontheanalysisofthedataacquiredwiththissystem,thepaperarrivedatsomerulesontheat／naturereactionreactanceofRare·earthPMSM，andtestifieditsreliabilitybyexperhnent．hathispaper．fourpartsareincluded：1．Thelatestdevelopmentollthemeasur

5、ementofPMSMreactanceparameter，andtheanalysisofdevelopingdirectionofmodemtechniquesonreactancemeasurement．2．TheinvestigationofthemeasureprinciplesofDirectCurrentAttenuationMethod，VoltageIntegralMethod．andDirectLoadMethod．Combinedwiththeproblemsduringtheex脚即tdesignaimprovedtestingcircuitof

6、DirectCurrentAttenuationMethod．Theauthorintroducesindetailtheaffectionofaddingmagnetism，subtractmagnetismofpermanentmagnett0reactancemeasurement,aswellasthecircuitandexperimentconditionundertheinfluenceofthecrosssaturationeffect．Andtheauthoronthefirsttimebringsforwardthemethodofdetermine

7、theangleofzeropowerinDirectCurrentAttenuationMethodbyme龇lsofcurveimitation，whichprovidesanovelmethodtosolvethisdifficultproblem．3．Adoptedthedesignthoughtofvirtualinstrument，theautomaticreactancetestingsystemandtheiIl!strurnentofpowerangleracasurcmentaIedeveloped．whichchan