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1、PROPULSIONCONTROLELECTRONICS(PCE) FAULTHANDLING PCE故障處理1SHL1.2Ex.Training2006GeneraldescriptionofFaultHandler故障處理器Principlefunctions功能Monitorfaults監(jiān)視故障Establishevent/faulttype建立事件/故障類型Powercircuitprotection功率回路保護Faultloggingandindication故障記錄顯示Faultclearance故障清除ActivewhenPCE
2、isin當(dāng)PCE在下列情況時有效Operationalmode工作模式Initialisationmode初始化模式Tractiontestmode牽引測試模式2SHL1.2Ex.Training2006FaultHandler故障處理器MonitorFaultsEstablishevent/faultTypeEventEstablishLogtypeLogagatestandardfault/eventstandardagateLogperterbographfault/eventNoneIndicateFault/Eventperturb
3、ographInhibitdevicepuslesFurtheractionreqOpenHSCB/LCNofurtherActionReqd.DonePowerCircuitProtectionFaultFault/eventLogandIndicationManagefaulthandlingDoneFaultClearanceFaultHandler3SHL1.2Ex.Training2006MonitorFault監(jiān)視故障PCEmonitorsallinputsandoutputstodetermineifafaulthasoccur
4、redPCE監(jiān)視全部輸入和輸出以決定是否有故障產(chǎn)生Hardwaredetection(fast-immediate)硬件檢測（快-立即）inverterprotectionfaults逆變器保護故障Softwaredetection(slower-10-40msec)軟件檢測（較慢-10-40msec）4SHL1.2Ex.Training2006Establishevent/faulttype建立事件/故障類型PCEmustidentifyeventtypesothattherequiredactionstoprotectthepowerci
5、rcuitcanbecarriedoutPCE必須區(qū)分事件類型，以采取相應(yīng)的動作保護功率回路An‘event’doesnotrequireanypowercircuitprotection,butshouldbelogged一個事件無需任何保護動作，但應(yīng)當(dāng)被記錄egMotorandBraketrainlinesbothhigh例如：牽引個制動列車線都為高A‘fault’requiresactiontoprotectthepowercircuit一個故障要求有相應(yīng)的動作保護功率回路5SHL1.2Ex.Training2006PowerCircu
6、itProtection功率回路的保護PCEperformsthefollowingneutralisingactionstoprotectthepowercircuitPCE提供以下動作Inhibitinverterpulses禁止逆變器脈沖Inhibitallpulses禁止全部脈沖Inhibitelectricbrake禁止電氣制動Lockoutelectricbrake封鎖電氣制動OpenLCandCCC打開LC和CCCOpenHSCB,LCandCCC打開HSCB,LC和CCCIsolateinverter(openLCandCCC
7、untilreset)隔離逆變器(打開LC和CCC直到復(fù)位）Lockoutinverter(lockoutLCandCCC)封鎖逆變器（封鎖LC和CCC）Firesoftcrowbar觸發(fā)軟撬棒6SHL1.2Ex.Training2006InhibitInverterPulses禁止逆變脈沖Inverterandrheochopperinhibited逆變和制動載波器被禁止Pulsesremaininhibiteduntilfaulthandlingactionshavebeencarriedout脈沖被禁止直到進行故障處理PCEchecks
8、thatIGBTshaveswitchedoffPCE檢查IGBTs已關(guān)閉IfnotHSCBandLCarecommandedopen如果未關(guān)閉，HSCB和LC將打
