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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Photoelectricrelay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Shockexcitationcontact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-inofworkingelectricsource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Voltagesupervision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)五．电气仪表Electricinstruments电流表Ammeter电压表Voltmeter三相三线有功电度表Three-phasethree-wirekilowatt-hourmeter,kWhmeter单相电度表Single-phasekilowatt-hourmeter三相无功电度表Three-phasekilovar-hourmeter有功功率表Activepowermeter,kilowattmeter无功功率表Reactivepowermeter,kilovarmeter三相瓦特表(功率表)Three-phasewattmeter功率因数表Powerfactormeter频率表Frequencymeter验电流器Galvanoscope欧姆表Ohmmeter相位表Phasemeter转速表Tachometer波长表Wave-lengthmeter三相四线制标准电度表3-phase4-wirestandardwatthour-meter过载电流表Overloadammeter低功率因数瓦特表Lowpower-factorwattmeter交直流两用钳型电流表A.C./D.C.multi-purposetongtester兆欧表Megger,Megohmmeter万用表Avometer微安表Microammeter毫安表Milliammeter各种测量仪表Variouskindofmeasuringinstruments接地电阻测量仪Earthingresistancetester真空管电压表Vacuumtubevoltmeter电动秒表Electricsecond-meter六．防雷Lightningprotection避雷装置Lightningprotector避雷针Lightningrod避雷带Straptypelightningprotector避雷网Networkoflightningprotector避雷针支架Lightningrodsupport避雷针尖Tipoflightningrod避雷针拉铁Braceforlightningrod避雷器Lightningarrester,surgedischarger球型避雷器Sphericalarrester管形避雷器Tubulararrester阀形避雷器Auto-valvearrester低压避雷器Lowvoltagearrester角形避雷器Hornarrester多隙避雷器Multigaparrester铝避雷器Aluminumcellarrester氧化膜避雷器Oxidefilmarrester击穿保险器Puncturelightningarrester雷击Lightningstroke直接雷击Directlightningstroke感应雷击Inductionlightningstroke雷电日Thunderboltdays雷电或然率Lightningandthunderprobability触电Electricshock静电感应Electrostaticinduction七．接地Grounding,earthing接地保护Groundprotection,earthprotection防雷接地Groundingforlightning保护接地Protectiveearthing人工接地Artificialgrounding工作接地Workinggrounding,workingearthing重复接地Multipleearthing屏蔽接地Screenearthing,shieldingground中性点接地Neutralpointgrounded接地系统Groundingsystem,earthingsystem接地故障Groundfault,earthfault单相接地Singlephaseearthing母线接地Busground接地装置Groundingdevice,earthingdevice引下线Down-lead,downconductor引下线固定Clampingplateofsupportforfixing支架夹板Downlead引下线固定支脚Supportforfixingdownlead接地线Groundconnector接地干线Ground(ing)main,(bus)接地网Groundingnetwork,earthingnetwork接地极Earthelectrode(pole)接地电阻Earthresistance接地电路Earth(ground)circuit连接条Connectingstrip断接卡Connectingclamp八．室、所Room,Substation贮藏室Storage套间Compartment蓄电池室Batteryroom控制室Controlroom配电室Distributionroom维修间Repairroom变电所Substation高压配电室H.V.distributionroom休息室Restroom九．电修车间设备Equipmentsofelectricrepair砂轮机Emerywheelgrinder台钻Benchdrillingmachine交流电焊机A.C.weldingmachine移动式空气压缩机Portableaircompressor手电钻Electrichanddrill单速手摇绕线机Singlespeedhandwindingmachine导线钳压器Wirejointingpress-clamp油压千斤顶Hydraulicjack电吹尘器Electricdustcleaner存放柜Storechest高压试验变压器H.V.testingtransformer泄漏试验变压器Leakagetestingset大电流发生器Strongcurrentgenerator油浸自冷感应调压器Oil-immersedself-cooledinductionvoltageregulator多量程仪用电流互感器Multi-rangecurrenttransformerformeasurement仪用电感互感器Instrumentalvoltagetransformer单相自耦变压器Single-phaseauto-transformer三相自耦变压器3-phaseauto-transformer硅整流器Siliconrectifier仪表试验台Testingstandforinstrument接触器，继电器试验台Relayandcontactortestingstand慢扫描示波器Slowscanningoscillograph交流电子稳压器A.C.electronicvoltagestabilizer携带式交流电桥PortableA.C.electricbridge接地电阻测量仪Earthingresistancetester电缆故障探伤仪Cablefaultdetector直流单臂电桥D.C.single-armelectricbridge,Wheatstonebridge十．材料Material绝缘包布Insulatingtape填料Filler,packing绝缘膏Insulatingcompound