Locomotive Logic Control and Protection Circuit I机车逻辑控制和保护电路 I

LocomotiveLogicControlandProtectionCircuitI机车逻辑控制和保护电路ISpeaker：WangXiuqing

ZhengzhouRailwayVocational&TechnicalCollege主讲人：王秀清郑州铁路职业技术学院Wheneachauxiliarymotorworksnormally,themaincontactofeachautomaticswitchisclosedandthenormallyopeninterlockisturnedon.各辅助电机正常工作时，各自动开关的主触头闭合，常开连锁闭合Normallyopeninterlocksofallauxiliary

motors各辅助电机的常开连锁Theautomaticswitchesinthefigure图中的自动开关均为Normallyopeninterlocksofallauxiliary

motors各辅助电机的常开连锁Theautomaticswitchesinthefigure图中的自动开关均为Whenacertainauxiliarymotorisshort-circuitedoroverloaded当某一台辅助电机发生短路或者过载时Theautomaticswitchisautomaticallyturnedoff自动开关自动断开Themaincontactisturnedoff主触头断开Thepowersupplyofthemotoriscutoff该电机电源切断Thenormallyopenchainisalsoturnedoff常开连锁也断开Thecorrespondinglinenumberisde-energized对应的线号失电Asshowninthefigure,themainconvertertransferswitchSA75hasthreepositions主变流器转换开关SA75有三个位置Turnon

theexperimentalposition打到实验位andtheline434willbeenergized434号线得电Turnontheexternalpowersupplyposition打到外部电源位andtheline450willbeenergized434号线得电Thetransferswitch

SA96

hasthreepositions转换开关SA96有三个位置OpentheI-terminalisolation打到I端隔离themaincontactofthehigh-voltageisolatingswitchQS1isdisconnected高压隔离开关QS1主触头断开thenormallyclosedchainisturnedon常闭连锁闭合helines422and427areenergized,andthepantographIIisraised422和427号线得电,升受电弓IITurnontheisolationofterminalII打到II端隔离Themaincontactofhigh-voltageisolatingswitchQS2isdisconnected高压隔离开关QS2主触头断开Andthenormallyclosedchainisturnedon常闭连锁闭合Line421and428areenergized,andthepantographIisraised421和428号线得电，升受电弓IThehigh-voltagegroundingswitchQS10hastwopositions高压接地开关QS10有两个位置Whenthe"RunningPosition"isturnedon打到“运行位”themaincontactofthehigh-voltagegroundingswitchisturnedoff高压接地开关主触头断开thenormallyclosedinterlockisturnedon常闭连锁闭合andtheline425isenergized425号线得电Thehigh-voltagegroundingswitchQS10hastwopositions高压接地开关QS10有两个位置Whenthe"GroundPosition"isturnedon打到“接地位”Themaincontactofthehigh-voltagegroundingswitchisturnedon高压接地开关主触头闭合Thenormallyturnedonchainisturnedon常闭连锁断开andtheNo.425lineisde-energized425号线失电MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主压缩机电磁接触器KM13、KM14有两个位置Whentheairpressureofthemainaircylinderis

lessthan750kPa总风缸风压＜750kPaThetwocompressorsarestarted两台压缩机起动Thenormallyopenchainisclosed常开连锁均闭合Thelines429and430areenergized429、430号线都得电KM13andKM14areenergizedKM13、KM14都得电Anormallyopenchainisclosed一个常开连锁均闭合Thedriverisenergizedonat429intheI-terminalcab司机在I端司机室，429得电Thedriverisenergizedonat430intheII-terminalcab司机在II端司机室，430得电Acompressorstarts一台压缩机起动KM13andKM14areenergizedonKM13、KM14都得电MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主压缩机电磁接触器KM13、KM14有两个位置Whentheairpressureofthemainaircylinderisbetween750kPaand825kPa750kPa＜总风缸风压＜825kPaThenormallyopenchainwillbeclosed常开连锁均闭合Thetwocompressorswillnotstart两台压缩机都不起动KM13andKM14willnotbeenergizedKM13、KM14都不得电Bothlines429and430willbeenergized.429、430号线都得电MaincompressorelectromagneticcontactorsKM13andKM14havetwopositions主压缩机电磁接触器KM13、KM14有两个位置Whentheairpressureofthemainaircylinderismorethan825kPa总风缸风压＞825kPaQF1isthenormallyopeninterlockofthemaincircuitbreaker.Whenthemaincircuitbreakerisclosed,thenormallyopeninterlockisturnedon,andNo.431isenergized.QF1为主断路器的常开连锁，主断合闸结束时，常开连锁闭合，431号得电Whenthelocomotivestarts机车起动时themainbreakerandswitch-onarefinished,thenormallyopeninterlockisturnedon主断合闸结束，常开连锁闭合431isenergized431得电andtheauxiliaryconverterstarts辅助变流器开始起动QF1isthenormallyopeninterlockofthemaincircuitbreaker.Whenthemaincircuitbreakerisclosed,thenormallyopeninterlockisturnedon,andNo.431isenergized.QF1为主断路器的常开连锁，主断合闸结束时，常开连锁闭合，431号得电Whenthelocomotiveisrunning机车运行中Afterpassingthroughtheneutralsections,themaincircuitbreakerandthemaincircuitbreakerareclosed,thenormallyopenchainisclosed过分相区后，主断合闸结束，常开连锁闭合The431isenergizedon431得电Thelocomotivestartstorestart.机车开始重新起动QS11isthedepotpowerswitchofAPUQS11为辅助变流器的库用电源开关Whenthelocomotiveismovinginsidethedepot库内动车时theQS11leverwillhitthe"depotposition"11手柄打“库用位”TheQS11normallyopeninterlockwillturnonQS11常开联锁闭合Line432willbeenergized432号线得电QS11isthedepotpowerswitchofAPUQS11为辅助变流器的库用电源开关Duringnormaloperation正常运行时theleverofQS11issetto"runposition"QS11手柄打“运行位”QS11normallyopeninterlockisdisconnectedQS11常开联锁断开Line432isde-energized432号线失电BriefSummary课程小结ThecontrollogicrelationshipbetweenthelogicofHXD3electriclocomotiveandtheinputsignalofprotectioncircuitisexplained.讲解了HXD3型电力机车逻辑与保护电路的输入信号的控制逻辑关系。????ApplicationFutureOccupation未来职业岗位的应用HXDelectriclocomotiveisthemainstreammodelofh