四．保护、继电器 Protection , relays
信号继电器 Signal relay
过电流继电器 Over-current relay
电压继电器 Voltage relay
时间继电器 Time relay
中间继电器 Auxiliary relay
热继电器 Thermal relay
温度继电器 Temperature relay
瓦斯继电器 Gas relay
控制电源中间继电器 Auxiliary relay for control supply
自动操作继电器 Relay for auto-operation
低电压继电器 Under-voltage relay
过电压继电器 Over-voltage relay
联锁继电器 Interlock relay
冲击继电器 Impact relay
合闸位置继电器 Close position relay
逆流继电器 Reverse-current relay
差流继电器 Differential current relay
差动继电器 Differential relay
电流继电器 Current relay
功率继电器 Power relay
接地继电器 Earthing relay
重合闸继电器 Reclosing relay
同步继电器 Synchronous relay
速动继电器 Quick acting relay
定时限继电器 Definite time relay
光电继电器 Photoelectric relay
电子继电器 Electronic relay
电磁式继电器 Electromagnetic relay
电动式继电器 Electrodynamic relay
气压继电器 Gas-pressure relay
继电器常开触点 Relay N.O. contact
继电器常闭触点 Relay N.C. contact
继电器保护触点（常开） Relay holding contact (N.O.)
能自动返回的常闭按钮触点 Self-return button with N.C. contact
模拟信号触点 Contact for semigraph signal
强励磁接点 Shock excitation contact
电感线圈 Induction coil
电流线圈 Current coil
脱扣线圈 Trip coil
合闸线圈 Close coil
释放线圈 Releasing coil
掉闸线圈 Tripping coil
予告信号 Prewarning signal
掉闸回路断线信号 Breakage signal of trip circuit
断路器事故掉闸信号 Fault trip signal of breaker
掉闸音响信号 Tripping audible signal
重瓦斯预告信号 Heavy gas prewarning signal
温度预告信号 Temperature prewarning signal
手动、自动操作时事故信号 Fault signal in manual/automatic operation 保护掉闸 Protective trip
控制掉闸 Control trip
手动跳闸 Manual trip
变电所紧急停车 Emergency shutdown at substation
工艺故障 Fault in process
励磁故障 Fault in excitation
工作电源失电报警 No-voltage alarm of working electric source
工作电源分合闸 On and off of working electric source
工作电源投入 Throw-in of working electric source
保安电源送电 supply of emergency electric source
运转指示 Indicating of operation
投入指示 Indicating of throw-in
同步指示 Indicating of synchronism
延时停车 Delayed shutdown
电源切除 Switch off the power supply
速断及过流断通 Instantaneous trip and over-current off/on
自保持 Self-holding
自锁 Self-lock
联锁 Interlocking
绝缘监视 Insulation supervision
电压监视 Voltage supervision
联锁解除 Release of interlock
工作、保安电源切换 Transfer of working and emergency power supply 发电机与工作母线并车 Synchronization of generator to working bus 重瓦斯保护 Heavy gas protection
开或闭超扭矩保护 Over-torque protection during opening and closing valve 电机起动顺序 Sequence of motor starting
铭牌框注字 Name plate denotation (inscription)
五．电气仪表 Electric instruments
电流表 Ammeter
电压表 Voltmeter
三相三线有功电度表 Three-phase three-wire kilowatt-hour meter , kWh meter
单相电度表 Single-phase kilowatt-hour meter
三相无功电度表 Three-phase kilovar-hour meter
有功功率表 Active power meter , kilowatt meter
无功功率表 Reactive power meter , kilovar meter
三相瓦特表(功率表) Three-phase watt meter
功率因数表 Power factor meter
频率表 Frequency meter
验电流器 Galvanoscope
欧姆表 Ohmmeter
相位表 Phase meter
转速表 Tachometer
波长表 Wave-length meter
三相四线制标准电度表 3-phase 4-wire standard watthour-meter
过载电流表 Overload ammeter
低功率因数瓦特表 Low power-factor wattmeter
交直流两用钳型电流表 A.C./D.C. multi-purpose tongtester
兆欧表 Megger , Megohmmeter
万用表 Avometer
微安表 Microammeter
毫安表 Milliammeter
各种测量仪表 Various kind of measuring instruments
接地电阻测量仪 Earthing resistance tester
真空管电压表 Vacuum tube voltmeter
电动秒表 Electric second-meter
六．防雷 Lightning protection
避雷装置 Lightning protector
避雷针 Lightning rod
避雷带 Strap type lightning protector
避雷网 Network of lightning protector
避雷针支架 Lightning rod support
避雷针尖 Tip of lightning rod
避雷针拉铁 Brace for lightning rod
避雷器 Lightning arrester , surge discharger
球型避雷器 Spherical arrester
管形避雷器 Tubular arrester
阀形避雷器 Auto-valve arrester
低压避雷器 Low voltage arrester
角形 避雷器 Horn arrester
多隙避雷器 Multigap arrester
铝避雷器 Aluminum cell arrester
氧化膜避雷器 Oxide film arrester
击穿保险器 Puncture lightning arrester
雷击 Lightning stroke
直接雷击 Direct lightning stroke
感应雷击 Induction lightning stroke
雷电日 Thunderbolt days
雷电或然率 Lightning and thunder probability
触电 Electric shock
静电感应 Electrostatic induction
七．接地 Grounding , earthing
接地保护 Ground protection , earth protection
防雷接地 Grounding for lightning
保护接地 Protective earthing
人工接地 Artificial grounding
工作接地 Working grounding , working earthing
重复接地 Multiple earthing
屏蔽接地 Screen earthing , shielding ground
中性点接地 Neutral point grounded
接地系统 Grounding system , earthing system
接地故障 Ground fault , earth fault
单相接地 Single phase earthing
母线接地 Bus ground
接地装置 Grounding device , earthing device
引下线 Down-lead , down conductor
引下线固定 Clamping plate of support for fixing
支架夹板 Down lead
引下线固定支脚 Support for fixing down lead
接地线 Ground connector
接地干线 Ground(ing) main , (bus)
接地网 Grounding network , earthing network
接地极 Earth electrode (pole)
接地电阻 Earth resistance
接地电路 Earth (ground) circuit
连接条 Connecting strip
断接卡 Connecting clamp
八．室、所 Room , Substation
贮藏室 Storage
套间 Compartment
蓄电池室 Battery room
控制室 Control room
配电室 Distribution room
维修间 Repair room
变电所 Substation
高压配电室 H.V. distribution room
休息室 Rest room
九．电修车间设备 Equipments of electric repair
砂轮机 Emery wheel grinder
台钻 Bench drilling machine
交流电焊机 A.C. welding machine
移动式空气压缩机 Portable air compressor
手电钻 Electric hand drill
单速手摇绕线机 Single speed hand winding machine
导线钳压器 Wire jointing press-clamp
油压千斤顶 Hydraulic jack
电吹尘器 Electric dust cleaner
存放柜 Store chest
高压试验变压器 H.V. testing transformer
泄漏试验变压器 Leakage testing set
大电流发生器 Strong current generator
油浸自冷感应调压器 Oil-immersed self-cooled induction voltage regulator 多量程仪用电流互感器 Multi-range current transformer for measurement 仪用电感互感器 Instrumental voltage transformer
单相自耦变压器 Single-phase auto-transformer
三相自耦变压器 3-phase auto-transformer
硅整流器 Silicon rectifier
仪表试验台 Testing stand for instrument
接触器，继电器试验台 Relay and contactor testing stand
慢扫描示波器 Slow scanning oscillograph
交流电子稳压器 A.C. electronic voltage stabilizer
携带式交流电桥 Portable A.C. electric bridge
接地电阻测量仪 Earthing resistance tester
电缆故障探伤仪 Cable fault detector
直流单臂电桥 D.C. single-arm electric bridge , Wheatstone bridge
十．材料 Material
绝缘包布 Insulating tape
填料 Filler , packing
绝缘膏 Insulating compound
电缆膏 Cable compound
防腐油 Anti-corrosive oil
沥青漆 Bituminous varnish
绝缘漆 Insulating varnish
瓷漆 Enamel varnish
有色金属 Non-ferrous metal
黑色金属 ferrous metal
白金属 White metal
云母 Mica
环氧树脂 Epoxy resin
聚氯乙烯 Polyvinyl chloride , PVC
蜡 Wax
滑石粉 Talc powder
电胶木 Bakelite
聚丙烯外壳 Polyacrylic cover
耐油橡胶管 Oil-proof rubber tubes 接地铜线 Grounding copper wire 垫圈 Pad
塑料绝缘线 Plastics insulated wire 橡套电缆 Rubber sheathed cable 中间接头 Splice
填充剂 Filling agent
绝缘电线 Insulated wire
移动软电缆 Movable flexible cable 补偿导线 Extension wire
套管 Bushing
母线槽 Busway
悬索 Cable suspension
滑触线 Trolley conductor
镀锌煤气管 Galvanized gas pipe 镀锌角钢 Galvanized steel angle 镀锌扁钢 Galvanized steel strap 钢丝绳 Steel wire rope
电笛 Siren
电磁阀 Electromagnetic valve 连接片 Connecting link
切换片 Transfering link
端子排 Terminal board
半导体二极管 Semiconductor diode 开度计 Opening meter
逻辑元件 Logical element
接线盒 Junction box
仪表槽板 Instrument trunking 电缆吊架 Cable hanger
出线套 Outgoing line sleeve
四．保护、继电器 Protection , relays
信号继电器 Signal relay
过电流继电器 Over-current relay
电压继电器 Voltage relay
时间继电器 Time relay
中间继电器 Auxiliary relay
热继电器 Thermal relay
温度继电器 Temperature relay
瓦斯继电器 Gas relay
控制电源中间继电器 Auxiliary relay for control supply
自动操作继电器 Relay for auto-operation
低电压继电器 Under-voltage relay
过电压继电器 Over-voltage relay
联锁继电器 Interlock relay
冲击继电器 Impact relay
合闸位置继电器 Close position relay
逆流继电器 Reverse-current relay
差流继电器 Differential current relay
差动继电器 Differential relay
电流继电器 Current relay
功率继电器 Power relay
接地继电器 Earthing relay
重合闸继电器 Reclosing relay
同步继电器 Synchronous relay
速动继电器 Quick acting relay
定时限继电器 Definite time relay
光电继电器 Photoelectric relay
电子继电器 Electronic relay
电磁式继电器 Electromagnetic relay
电动式继电器 Electrodynamic relay
气压继电器 Gas-pressure relay
继电器常开触点 Relay N.O. contact
继电器常闭触点 Relay N.C. contact
继电器保护触点（常开） Relay holding contact (N.O.)
能自动返回的常闭按钮触点 Self-return button with N.C. contact
模拟信号触点 Contact for semigraph signal
强励磁接点 Shock excitation contact
电感线圈 Induction coil
电流线圈 Current coil
脱扣线圈 Trip coil
合闸线圈 Close coil
释放线圈 Releasing coil
掉闸线圈 Tripping coil
予告信号 Prewarning signal
掉闸回路断线信号 Breakage signal of trip circuit
断路器事故掉闸信号 Fault trip signal of breaker
掉闸音响信号 Tripping audible signal
重瓦斯预告信号 Heavy gas prewarning signal
温度预告信号 Temperature prewarning signal
手动、自动操作时事故信号 Fault signal in manual/automatic operation 保护掉闸 Protective trip
控制掉闸 Control trip
手动跳闸 Manual trip
变电所紧急停车 Emergency shutdown at substation
工艺故障 Fault in process
励磁故障 Fault in excitation
工作电源失电报警 No-voltage alarm of working electric source
工作电源分合闸 On and off of working electric source
工作电源投入 Throw-in of working electric source
保安电源送电 supply of emergency electric source
运转指示 Indicating of operation
投入指示 Indicating of throw-in
同步指示 Indicating of synchronism
延时停车 Delayed shutdown
电源切除 Switch off the power supply
速断及过流断通 Instantaneous trip and over-current off/on
自保持 Self-holding
自锁 Self-lock
联锁 Interlocking
绝缘监视 Insulation supervision
电压监视 Voltage supervision
联锁解除 Release of interlock
工作、保安电源切换 Transfer of working and emergency power supply 发电机与工作母线并车 Synchronization of generator to working bus 重瓦斯保护 Heavy gas protection
开或闭超扭矩保护 Over-torque protection during opening and closing valve 电机起动顺序 Sequence of motor starting
铭牌框注字 Name plate denotation (inscription)
五．电气仪表 Electric instruments
电流表 Ammeter
电压表 Voltmeter
三相三线有功电度表 Three-phase three-wire kilowatt-hour meter , kWh meter
单相电度表 Single-phase kilowatt-hour meter
三相无功电度表 Three-phase kilovar-hour meter
有功功率表 Active power meter , kilowatt meter
无功功率表 Reactive power meter , kilovar meter
三相瓦特表(功率表) Three-phase watt meter
功率因数表 Power factor meter
频率表 Frequency meter
验电流器 Galvanoscope
欧姆表 Ohmmeter
相位表 Phase meter
转速表 Tachometer
波长表 Wave-length meter
三相四线制标准电度表 3-phase 4-wire standard watthour-meter
过载电流表 Overload ammeter
低功率因数瓦特表 Low power-factor wattmeter
交直流两用钳型电流表 A.C./D.C. multi-purpose tongtester
兆欧表 Megger , Megohmmeter
万用表 Avometer
微安表 Microammeter
毫安表 Milliammeter
各种测量仪表 Various kind of measuring instruments
接地电阻测量仪 Earthing resistance tester
真空管电压表 Vacuum tube voltmeter
电动秒表 Electric second-meter
六．防雷 Lightning protection
避雷装置 Lightning protector
避雷针 Lightning rod
避雷带 Strap type lightning protector
避雷网 Network of lightning protector
避雷针支架 Lightning rod support
避雷针尖 Tip of lightning rod
避雷针拉铁 Brace for lightning rod
避雷器 Lightning arrester , surge discharger
球型避雷器 Spherical arrester
管形避雷器 Tubular arrester
阀形避雷器 Auto-valve arrester
低压避雷器 Low voltage arrester
角形 避雷器 Horn arrester
多隙避雷器 Multigap arrester
铝避雷器 Aluminum cell arrester
氧化膜避雷器 Oxide film arrester
击穿保险器 Puncture lightning arrester
雷击 Lightning stroke
直接雷击 Direct lightning stroke
感应雷击 Induction lightning stroke
雷电日 Thunderbolt days
雷电或然率 Lightning and thunder probability
触电 Electric shock
静电感应 Electrostatic induction
七．接地 Grounding , earthing
接地保护 Ground protection , earth protection
防雷接地 Grounding for lightning
保护接地 Protective earthing
人工接地 Artificial grounding
工作接地 Working grounding , working earthing
重复接地 Multiple earthing
屏蔽接地 Screen earthing , shielding ground
中性点接地 Neutral point grounded
接地系统 Grounding system , earthing system
接地故障 Ground fault , earth fault
单相接地 Single phase earthing
母线接地 Bus ground
接地装置 Grounding device , earthing device
引下线 Down-lead , down conductor
引下线固定 Clamping plate of support for fixing
支架夹板 Down lead
引下线固定支脚 Support for fixing down lead
接地线 Ground connector
接地干线 Ground(ing) main , (bus)
接地网 Grounding network , earthing network
接地极 Earth electrode (pole)
接地电阻 Earth resistance
接地电路 Earth (ground) circuit
连接条 Connecting strip
断接卡 Connecting clamp
八．室、所 Room , Substation
贮藏室 Storage
套间 Compartment
蓄电池室 Battery room
控制室 Control room
配电室 Distribution room
维修间 Repair room
变电所 Substation
高压配电室 H.V. distribution room
休息室 Rest room
九．电修车间设备 Equipments of electric repair
砂轮机 Emery wheel grinder
台钻 Bench drilling machine
交流电焊机 A.C. welding machine
移动式空气压缩机 Portable air compressor
手电钻 Electric hand drill
单速手摇绕线机 Single speed hand winding machine
导线钳压器 Wire jointing press-clamp
油压千斤顶 Hydraulic jack
电吹尘器 Electric dust cleaner
存放柜 Store chest
高压试验变压器 H.V. testing transformer
泄漏试验变压器 Leakage testing set
大电流发生器 Strong current generator
油浸自冷感应调压器 Oil-immersed self-cooled induction voltage regulator 多量程仪用电流互感器 Multi-range current transformer for measurement 仪用电感互感器 Instrumental voltage transformer
单相自耦变压器 Single-phase auto-transformer
三相自耦变压器 3-phase auto-transformer
硅整流器 Silicon rectifier
仪表试验台 Testing stand for instrument
接触器，继电器试验台 Relay and contactor testing stand
慢扫描示波器 Slow scanning oscillograph
交流电子稳压器 A.C. electronic voltage stabilizer
携带式交流电桥 Portable A.C. electric bridge
接地电阻测量仪 Earthing resistance tester
电缆故障探伤仪 Cable fault detector
直流单臂电桥 D.C. single-arm electric bridge , Wheatstone bridge
十．材料 Material
绝缘包布 Insulating tape
填料 Filler , packing
绝缘膏 Insulating compound
电缆膏 Cable compound
防腐油 Anti-corrosive oil
沥青漆 Bituminous varnish
绝缘漆 Insulating varnish
瓷漆 Enamel varnish
有色金属 Non-ferrous metal
黑色金属 ferrous metal
白金属 White metal
云母 Mica
环氧树脂 Epoxy resin
聚氯乙烯 Polyvinyl chloride , PVC
蜡 Wax
滑石粉 Talc powder
电胶木 Bakelite
聚丙烯外壳 Polyacrylic cover
耐油橡胶管 Oil-proof rubber tubes 接地铜线 Grounding copper wire 垫圈 Pad
塑料绝缘线 Plastics insulated wire 橡套电缆 Rubber sheathed cable 中间接头 Splice
填充剂 Filling agent
绝缘电线 Insulated wire
移动软电缆 Movable flexible cable 补偿导线 Extension wire
套管 Bushing
母线槽 Busway
悬索 Cable suspension
滑触线 Trolley conductor
镀锌煤气管 Galvanized gas pipe 镀锌角钢 Galvanized steel angle 镀锌扁钢 Galvanized steel strap 钢丝绳 Steel wire rope
电笛 Siren
电磁阀 Electromagnetic valve 连接片 Connecting link
切换片 Transfering link
端子排 Terminal board
半导体二极管 Semiconductor diode 开度计 Opening meter
逻辑元件 Logical element
接线盒 Junction box
仪表槽板 Instrument trunking 电缆吊架 Cable hanger
出线套 Outgoing line sleeve