智能功率模块测试技术若干关键问题研究

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1、智能功率模块测试技术若干关键问题研究ResearchonKeyProblemsofTestTechnologyofInteUigentPowerModule作者姓名直墨云学科、专业电路皇丕统导师及职称鲁昌垡教握2004年5月ResearchonKeyProblemsoftesttechnologyofIntelIigentPowerModuleAbstractIPM(IntelligentPowerModule)isakindofadVancedintegrateddevice．Beinghighintegrated，highreliable，highswitch—spee

2、d，high—powerandIntdligent，IPMiswidelyusedintheinvertercontrolcircuits．Asanimponantparts，IPM’sperformancead’ectsreliabilityandmaintainabilityofinVerter．mlpropercontr01candestroyIPM，sotheresearchonlesttechJlologyof】PJⅥbecomeoneofthehotspotsofe】ectrica力delectronictechnology．Weresearchedkeypro

3、blemsoftesttechnologyofIPM．Inthisdissertation，weputforwardamethodusedtogenerateandan“yzeSPWMwavesbasedonFPGAandLABVIEWThemainworkandcontributionsofthedissertatiOnaresummarizedasfollows：Firstly，weresearcheddevicecharacteristicsandcontrolmeoryofIPMdeeply，、vcresearchedmealgorithmofSPWMwavewhi

4、chisambipolarandaimedatcenter．Secondly，weresearchedthesignalsourceofIPMmainly．AmetllodwasputforwardusedtogenerateaIldanalyzeSPWMwavesbasedonFPGAandLABVIEW．sixchannelsPwMsignalsofthreephaseweregener“edthroughFPGA，whichharmonicswereanalyzedthrou曲LABVIEwsoftware．wi也thismethod，wecanevaluateeas

5、ilydifferentmodesofSPWM．Themethodishighef五ciencyandshortcutforscientificresearchers．Thirdly，wedesigncdtheblueprintoftestsystem．wedesignedtestsystemframebasedonGPIBbus，wealsodiscussedhigh—speeddataprocessingonswitchingtestspeciaIIy．Finally，wediscussedtestabilitydesignforIPM．Inthisdissertati

6、on，weputforwardamethodthatdetectingaccelerationofVoltagealldcurrent’smovement，pre—protectingfaultsbystate—machine．KeyWords：IntelligentPo、verModuleSPWMFPGALABVIEWH姗onic图表清单图2．1IPM外形图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯图2．2IPM～6MBP20I{l{060原理图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯图2—3JPM模块内部结构图㈣⋯⋯⋯⋯⋯⋯⋯⋯⋯．图2—4SPwM波原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯图2．5不同载波频率对

7、sPwM波的影响⋯⋯．．：⋯⋯⋯图2．6单极式sPwM波⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．图2．7双极式SPWM波⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．图2-8SPWM波的模拟产生方法⋯⋯⋯⋯⋯⋯⋯⋯⋯图2．9规则采样法原理图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯图3—1ROM空间分配⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯表3—1三相脉宽数据规律性⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯图3．2FPGA生成sPwM波实现流程图⋯⋯⋯⋯⋯一图3。3顶层元件sPwM综合逻辑图⋯⋯⋯⋯⋯⋯⋯一图3—4底层元件ROM综合逻辑图⋯⋯⋯⋯⋯⋯⋯⋯图3—5底层元件PwM20综合逻辑图⋯⋯⋯⋯