常用电气英语单词

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1、四．保护、继电器Protection,relays信号继电器Signalrelay过电流继电器Over-currentrelay电压继电器Voltagerelay时间继电器Timerelay中间继电器Auxiliaryrelay热继电器Thermalrelay温度继电器Temperaturerelay瓦斯继电器Gasrelay控制电源中间继电器Auxiliaryrelayforcontrolsupply自动操作继电器Relayforauto-operation低电压继电器Under-voltagerelay过电压继电器Over-voltagerelay联锁

2、继电器Interlockrelay冲击继电器Impactrelay合闸位置继电器Closepositionrelay逆流继电器Reverse-currentrelay差流继电器Differentialcurrentrelay差动继电器Differentialrelay电流继电器Currentrelay功率继电器Powerrelay接地继电器Earthingrelay重合闸继电器Reclosingrelay同步继电器Synchronousrelay速动继电器Quickactingrelay定时限继电器Definitetimerelay光电继电器Photoel

3、ectricrelay电子继电器Electronicrelay电磁式继电器Electromagneticrelay电动式继电器Electrodynamicrelay气压继电器Gas-pressurerelay继电器常开触点RelayN.O.contact继电器常闭触点RelayN.C.contact继电器保护触点（常开）Relayholdingcontact(N.O.)能自动返回的常闭按钮触点Self-returnbuttonwithN.C.contact模拟信号触点Contactforsemigraphsignal强励磁接点Shockexcitation

4、contact电感线圈Inductioncoil电流线圈Currentcoil脱扣线圈Tripcoil合闸线圈Closecoil释放线圈Releasingcoil掉闸线圈Trippingcoil予告信号Prewarningsignal掉闸回路断线信号Breakagesignaloftripcircuit断路器事故掉闸信号Faulttripsignalofbreaker掉闸音响信号Trippingaudiblesignal重瓦斯预告信号Heavygasprewarningsignal温度预告信号Temperatureprewarningsignal手动、自动

5、操作时事故信号Faultsignalinmanual/automaticoperation保护掉闸Protectivetrip控制掉闸Controltrip手动跳闸Manualtrip变电所紧急停车Emergencyshutdownatsubstation工艺故障Faultinprocess励磁故障Faultinexcitation工作电源失电报警No-voltagealarmofworkingelectricsource工作电源分合闸Onandoffofworkingelectricsource工作电源投入Throw-inofworkingelectri

6、csource保安电源送电supplyofemergencyelectricsource运转指示Indicatingofoperation投入指示Indicatingofthrow-in同步指示Indicatingofsynchronism延时停车Delayedshutdown电源切除Switchoffthepowersupply速断及过流断通Instantaneoustripandover-currentoff/on自保持Self-holding自锁Self-lock联锁Interlocking绝缘监视Insulationsupervision电压监视V

7、oltagesupervision联锁解除Releaseofinterlock工作、保安电源切换Transferofworkingandemergencypowersupply发电机与工作母线并车Synchronizationofgeneratortoworkingbus重瓦斯保护Heavygasprotection开或闭超扭矩保护Over-torqueprotectionduringopeningandclosingvalve电机起动顺序Sequenceofmotorstarting铭牌框注字Nameplatedenotation(inscription

8、)五．电气仪表Electricinstruments电流表Amme