Concept培训的资料7.-IGBT-Protection

TechnicalTrainingNovember2009IGBTProtectionwithCONCEPTbyMichaelHornkampCT-ConceptTechnologieAG-Switzerland©CopyrightbyCT-ConceptTechnologieAGPage1IGBTprotectionwithCONCEPTIGBTDriverHowtodestroyanIGBT?©CopyrightbyCT-ConceptTechnologieAGPage2IGBTprotectionwithCONCEPTIGBTDriverWherecanCONCEPTprotectyourIGBT.©CopyrightbyCT-ConceptTechnologieAGPage3OurDefinitionofShortCircuits©CopyrightbyCT-ConceptTechnologieAGPage4M3~IIM3~IIM3~IIIGBTLegshortcircuitSCcase1Hardwareorsoftwarefailure.Designfailure.VcesatdetectionInverterterminalshortcircuit.Lowinductionsc.VcesatdetectionCurrenttransducerdetectionMotorshortcircuit.Highinductionsc.phasetophaseorphasetoearth.NotpossibletoprotecttheIGBTwithVcesatmonitoringSCCase1andCase2transferSCcase1.turnonofanlowinductionshortcircuit.SCcase2turnonofanhighinductiveshortcircuitGateEmitterVoltageShortcircuitcurrentCollectorEmittervoltageMonitoredbyVcesatprotectioncircuitMonitoredbyVcesatprotectioncircuit©CopyrightbyCT-ConceptTechnologieAGPage5ShortCircuitdetectionviaDesaturationMonitoring©CopyrightbyCT-ConceptTechnologieAGPage6IGBTProtectionwithCONCEPTIGBTDriverShortcircuittimeandcurrentarefunctionsofgate-emittervoltage.tcs;Ics=f(VGE);SC-timeandcurrent1200VIGBT³@VCC=720V01234567802468101214161820max.SC-time[µs]SC-current/ratedcurrentVGE=19VVGE=17VVGE=15VVGE=13VVGE=11VFigureshowsanInfineon1200VIGBTModulewithIGBT3trenchfieldstopIGBT©CopyrightbyCT-ConceptTechnologieAGPage7IGBTProtectionwithCONCEPTSCALE-1IGBTDriverSCALE-1IGBTProtection©CopyrightbyCT-ConceptTechnologieAGPage8IGBTProtectionwithCONCEPTSCALE-1IGBTDriver©CopyrightbyCT-ConceptTechnologieAGPage9ShortcircuitprotectionSCALE-1drivercoreRGxDmRmRthxCONCEPTIGD001RrefVccFailUceFailSOErrorTimerPulsePulseLogicSupervisorVceMonitoringTransformerResetErrorInterfacePowerSupplyFlip-FlopCaCbVisoSCALEDriverModuleGxCxRthxEx1234567810121315IGBTProtectionwithCONCEPTIGBTDriverProtectionwithPlugandPlaySCALEIGBTgateDriver1SD536F2di/dtfeedbackActiveClampingVcesatProtection©CopyrightbyCT-ConceptTechnologieAGPage10DmDzRg(on)Rg(off)+16V-16VControlLogicVceMonitoringPowerSupplyMonitoringDriverGC'E'VDCGNDPWMControllerFOLInputFOLStatus1SD536F2SCALEIGBTDriverCgeF1++60V-16VDC/DCConverterΣ+16V+60VEdi/dt-feedbackOutputIGBTprotectionwithCONCEPTHighVoltageIGBTDriverEDm1SD536F2SCALEDriver3mAVceHigh+60VCGRef50VQ1MeasureVCEShortcircuitprotectionwithPlugandPlaySCALE-1IGBTgateDriver1SD536-F23,3kVVersionShortcircuitprotectionwithPlugandPlaySCALE-1IGBTgateDriverVthsc=50V©CopyrightbyCT-ConceptTechnologieAGPage11IGBTprotectionwithCONCEPTIGBTDriverOutputsignallighton=OK;400ns450ns900ns900ns550ns450nsVin(FiberOpticLinkLightON=IGBTON)VgeVstat000(FiberOpticLinkLightON=OKAY)LightOFF=EdgeAcknowledgement400ns450ns900ns350nsVin(FiberOpticLinkLightON=IGBTON)VgeVstat000(FiberOpticLinkLightON=OKAY)LightOFF2us=EdgeAcknowledgement8.5usLightOFF2us=ErrorFeedback©CopyrightbyCT-ConceptTechnologieAGPage12ActiveClampingwithSCALE-1ActiveClampingwithSCALE-1BasiccircuitCONCEPTactiveclamping©CopyrightbyCT-ConceptTechnologieAGPage13DzRg+15V-15VQIcIzIoutIgDzRg+15V-15VQIcIzIgRinZ2Z1IGBTProtectionwithSCALE-2SCALE-2ProtectionPhilosophy©CopyrightbyCT-ConceptTechnologieAGPage14©CopyrightbyCT-ConceptTechnologieAGPage15MillerClampingSCALE-2DzRg,onTurn-onDriverQ2VceMonitoring+15VElectricalInterfaceX1Turn-offDriverRg,offAdvancedActiveClampingDzRg,onTurn-onDriverQ1+15VTurn-offDriverRg,offAdvancedActiveClampingChannel1Channel2VceMonitoring+15VisregulatedfromSCALE-2.ASchottkyDiodeclamptheVGEto+15VShortCircuitMonitoringwithSCALE-2DzRg,onTurn-onDriverQ2VceMonitoring+15VElectricalInterfaceX1Turn-offDriverRg,offAdvancedActiveClampingDzRg,onTurn-onDriverQ1+15VTurn-offDriverRg,offAdvancedActiveClampingChannel1Channel2VceMonitoringGateEmitterVoltage15VShortcircuitcurrentCollectorEmittervoltageMonitoredbyVcesatprotectioncircuit©CopyrightbyCT-ConceptTechnologieAGPage16AACAdvancedActiveClampingwithSCALE-2Scale-2ProductsprovideaSoftshutdownbehaviourtriggeredbyCollector-EmitterOvervoltage.AdvancedActiveClampingDzRg,onTurn-onDriverQ2VceMonitoring+15VElectricalInterfaceX1Turn-offDriverRg,offAdvancedActiveClampingDzRg,onTurn-onDriverQ1+15VTurn-offDriverRg,offAdvancedActiveClampingChannel1Channel2VceMonitoringSCturnoffPPFF900R12IE425°C©CopyrightbyCT-ConceptTechnologieAGPage17IGBTProtectionwithCONCEPTIGBTDriverProtectionwithnewSCALE-2products.SoftShutdownSortCircuitTurnoff25°CRegularTurnoff2xIn25°Cwithsoftshutdown4000A1800A©CopyrightbyCT-ConceptTechnologieAGPage18SCALE-2ProtectionMoreInformationinCONCEPTWeb©CopyrightbyCT-ConceptTechnologieAGPage19