LocomotiveLogicControlandProtectionCircuitI機車邏輯控制和保護電路ISpeaker：WangXiuqing

ZhengzhouRailwayVocational&TechnicalCollege主講人：王秀清鄭州鐵路職業(yè)技術(shù)學(xué)院Wheneachauxiliarymotorworksnormally,themaincontactofeachautomaticswitchisclosedandthenormallyopeninterlockisturnedon.各輔助電機正常工作時，各自動開關(guān)的主觸頭閉合，常開連鎖閉合Normallyopeninterlocksofallauxiliary

motors各輔助電機的常開連鎖Theautomaticswitchesinthefigure圖中的自動開關(guān)均為Normallyopeninterlocksofallauxiliary

motors各輔助電機的常開連鎖Theautomaticswitchesinthefigure圖中的自動開關(guān)均為Whenacertainauxiliarymotorisshort-circuitedoroverloaded當(dāng)某一臺輔助電機發(fā)生短路或者過載時Theautomaticswitchisautomaticallyturnedoff自動開關(guān)自動斷開Themaincontactisturnedoff主觸頭斷開Thepowersupplyofthemotoriscutoff該電機電源切斷Thenormallyopenchainisalsoturnedoff常開連鎖也斷開Thecorrespondinglinenumberisde-energized對應(yīng)的線號失電Asshowninthefigure,themainconvertertransferswitchSA75hasthreepositions主變流器轉(zhuǎn)換開關(guān)SA75有三個位置Turnon

theexperimentalposition打到實驗位andtheline434willbeenergized434號線得電Turnontheexternalpowersupplyposition打到外部電源位andtheline450willbeenergized434號線得電Thetransferswitch

SA96

hasthreepositions轉(zhuǎn)換開關(guān)SA96有三個位置OpentheI-terminalisolation打到I端隔離themaincontactofthehigh-voltageisolatingswitchQS1isdisconnected高壓隔離開關(guān)QS1主觸頭斷開thenormallyclosedchainisturnedon常閉連鎖閉合helines422and427areenergized,andthepantographIIisraised422和427號線得電,升受電弓IITurnontheisolationofterminalII打到II端隔離Themaincontactofhigh-voltageisolatingswitchQS2isdisconnected高壓隔離開關(guān)QS2主觸頭斷開Andthenormallyclosedchainisturnedon常閉連鎖閉合Line421and428areenergized,andthepantographIisraised421和428號線得電，升受電弓IThehigh-voltagegroundingswitchQS10hastwopositions高壓接地開關(guān)QS10有兩個位置Whenthe"RunningPosition"isturnedon打到“運行位”themaincontactofthehigh-voltagegroundingswitchisturnedoff高壓接地開關(guān)主觸頭斷開thenormallyclosedinterlockisturnedon常閉連鎖閉合andtheline425isenergized425號線得電Thehigh-voltagegroundingswitchQS10hastwopositions高壓接地開關(guān)QS10有兩個位置Whenthe"GroundPosition"isturnedon打到“接地位”Themaincontactofthehigh-voltagegroundingswitchisturnedon高壓接地開關(guān)主觸頭閉合Thenormallyturnedonchainisturnedon常閉連鎖斷開andtheNo.425lineisde-energized425號線失電MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主壓縮機電磁接觸器KM13、KM14有兩個位置Whentheairpressureofthemainaircylinderis

lessthan750kPa總風(fēng)缸風(fēng)壓＜750kPaThetwocompressorsarestarted兩臺壓縮機起動Thenormallyopenchainisclosed常開連鎖均閉合Thelines429and430areenergized429、430號線都得電KM13andKM14areenergizedKM13、KM14都得電Anormallyopenchainisclosed一個常開連鎖均閉合Thedriverisenergizedonat429intheI-terminalcab司機在I端司機室，429得電Thedriverisenergizedonat430intheII-terminalcab司機在II端司機室，430得電Acompressorstarts一臺壓縮機起動KM13andKM14areenergizedonKM13、KM14都得電MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主壓縮機電磁接觸器KM13、KM14有兩個位置Whentheairpressureofthemainaircylinderisbetween750kPaand825kPa750kPa＜總風(fēng)缸風(fēng)壓＜825kPaThenormallyopenchainwillbeclosed常開連鎖均閉合Thetwocompressorswillnotstart兩臺壓縮機都不起動KM13andKM14willnotbeenergizedKM13、KM14都不得電Bothlines429and430willbeenergized.429、430號線都得電MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主壓縮機電磁接觸器KM13、KM14有兩個位置Whentheairpressureofthemainaircylinderismorethan825kPa總風(fēng)缸風(fēng)壓＞825kPaQF1isthenormallyopeninterlockofthemaincircuitbreaker.Whenthemaincircuitbreakerisclosed,thenormallyopeninterlockisturnedon,andNo.431isenergized.QF1為主斷路器的常開連鎖，主斷合閘結(jié)束時，常開連鎖閉合，431號得電Whenthelocomotivestarts機車起動時themainbreakerandswitch-onarefinished,thenormallyopeninterlockisturnedon主斷合閘結(jié)束，常開連鎖閉合431isenergized431得電andtheauxiliaryconverterstarts輔助變流器開始起動QF1isthenormallyopeninterlockofthemaincircuitbreaker.Whenthemaincircuitbreakerisclosed,thenormallyopeninterlockisturnedon,andNo.431isenergized.QF1為主斷路器的常開連鎖，主斷合閘結(jié)束時，常開連鎖閉合，431號得電Whenthelocomotiveisrunning機車運行中Afterpassingthroughtheneutralsections,themaincircuitbreakerandthemaincircuitbreakerareclosed,thenormallyopenchainisclosed過分相區(qū)后，主斷合閘結(jié)束，常開連鎖閉合The431isenergizedon431得電Thelocomotivestartstorestart.機車開始重新起動QS11isthedepotpowerswitchofAPUQS11為輔助變流器的庫用電源開關(guān)Whenthelocomotiveismovinginsidethedepot庫內(nèi)動車時theQS11leverwillhitthe"depotposition"11手柄打“庫用位”TheQS11normallyopeninterlockwillturnonQS11常開聯(lián)鎖閉合Line432willbeenergized432號線得電QS11isthedepotpowerswitchofAPUQS11為輔助變流器的庫用電源開關(guān)Duringnormaloperation正常運行時theleverofQS11issetto"runposition"QS11手柄打“運行位”QS11normallyopeninterlockisdisconnectedQS11常開聯(lián)鎖斷開Line432isde-energized432號線失電BriefSummary課程小結(jié)ThecontrollogicrelationshipbetweenthelogicofHXD3electriclocomotiveandtheinputsignalofprotectioncircuitisexplained.講解了HXD3型電力機車邏輯與保護電路的輸入信號的控制邏輯關(guān)系。????ApplicationFutureOccupation未來職業(yè)崗位的應(yīng)用HXDelectriclocomotiveisthemainstreammodelofh