电流current 电压voltage 功率power电阻resistance 电容capacitance 电抗reactance电阻率resistivity 阻抗impedance 相位phase有功功率active power 无功功率reactive power视在功率apparent power 装设功率installed power供电局power supply authority 电力公司power supply company发电厂power plant 变电所substation配电站distribution substation 配变电站transformer station终端变电站terminal substation车间变电站substation in workshop :室变电站indoor substation自动变电站automatic substation成套变电站unit substation高压室H.T room 低压室L.T room变压器室transformer room 变压器平台transformer platform柴油发电机室diesel generator room控制室control room 蓄电池室battery room值班室duty room 休息室rest room 电容器室condenser room充电室battery -- charging room 室外储油罐outdoor oil tank地下油罐underground oil tank 日用油箱day tank负荷load一类负荷first-class load 二类负荷second-class load 三类负荷third-class load 照明负荷lighting load动力负荷power load 电阻负荷resistance load电抗负荷reactive load 冲击负荷shock load空载non -load 有载on-load 满载full -load 过载over -load不平衡负荷unbalanced load 平衡负荷balanced load额定负载nominal load负荷计算load circulation 功率因数power factor同时使用系数diversity factor 需要系数法demand factor method利用系数法utilization factor method二项式法binomial method无功功率补偿reactive power compensation自然功率因数natural power factor补偿后功率因数power factor after compensating高压补偿compensating in H.T side低压补偿compensating in L.T side 负荷率load rate补偿容量compensating capacity 设备装设容量installed capacity备用容量standby capacity 额定容量rated capacity视在容量apparent capacity 计算容量calculated capacity短路容量short circuit capacity 负荷计算表load calculation table电压voltage高压high tension (H.T) 低压low tension (L.T)冲击电压impulse voltage 临界电压critical voltage残余电压residual voltage 击穿电压breakdown voltage供电电压supply voltage 照明电压lighting voltage工作电压working voltage 额定电压rated voltage相电压phase voltage 线电压line voltage过压over--voltage 欠压under--voltage 电压降voltage drop 电压损失voltage loss 电压偏移voltage deviation电压波动voltage variation 电压标准voltage standard电压等级voltage class 电压调整率voltage regulation rate电流current交流alternating current (A.C) 直流direct current (D.C)短路电流short--circuit 短路点short circuit point三相短路电流three-phase short-circuit current两相短路电流two-phase short-circuit current单相短路电流single--phase short-circuit current短路电阻short-circuit resistance 短路电压short-circuit voltage短路电抗short-circuit reactance 短路容量short-circuit capacity短路稳定性short-circuit stability短路冲击电流short-circuit impulse current热效应thermal effect稳定短路电流steady state short-circuit current切断电流cut-off current 整定电流setting current动作电流action current 额定电流rated current, nominal current熔体电流melt current 熔丝电流fuse current故障电流fault current 极限电流limiting current过电流over—current有效值virtual value, effective value电源，供电方式power and supply system工作电源working power source操作电源operating power source 备用电源standby source应急电源emergency source 常用电源normal source供电电压supply voltage 双回路供电two-feeder supply两个独立电源two independent power supply 放射式radial system单回路放射式one-circuit radial system双回路放射式two-circuit radial system有公用备用干线的放射式radial system with public standby main line 树干式trunk system 单回路树干式one-circuit trunk system单侧供电双回路树干式two-circuit trunk system withone-side power supply双侧供电单回路树干式one-circuit trunk system with two-side power supply双侧供电双回路树干式two-circuit trunk system with two-side power suppl y环式ring system 链式chain system变压器—干线式transformer-main line system TN 系统TN system TN—S系统TN-S system TN—C 系统TN-C system TN—C—S系统TN-C-S system TT 系统TT system单相二线制1-phase 2-wire system三相四线制3-phase 4-wire system三相五线制3-phase 5-wire system保护线protective earth (PE)中性线（N线）neutral分列运行independent operation并列运行parallel operation无载运行non-load operation变压器系数transformer factor 调压器voltage regulator稳压器stabilizer 减压器reducer 整流器rectifier限流器current limiter自动功率调整器automatic power regulator电压互感器voltage transformer 电流互感器current transformer降压变压器step-down transformer自动调压器automatic regulator高频变压器high-frequency transformer降压器step-down transformer 升压器step-up transformer二次接线图号secondary wiring drawing No.外形尺寸overall dimension一次主要设备preliminary main equipment辅助设备auxiliary equipment 进线incoming line出线outgoing line 规格specification 数量quantity高压电器H.T equipment 高压配电柜H.T distribution cabinet高压开关柜H.T switchgear手车式高压开关柜draw—out type H.T switchgear户交流金属铠装移动式开关柜indoor A.C armored movable switchgear高压无功功率补偿装置H.T reactive power compensator高压静电电容器柜 H.T electrostatic capacitor cabinet大功率并联电容无功功率补偿high power parallel capacitor reactive power compe nsating高压断路器H.T circuit breaker少油断路器minimum oil circuit breaker油断路器oil circuit breaker 真空断路器vacuum circuit breaker空气断路器air circuit breaker六氟化硫断路器sulfur hexaflouride breaker (SF6 breaker)户式indoor (type) 户外式outdoor (type)电磁式electromagnetic 产气式aerogenic高压接触器H.T contactor 高压真空接触器H.T vacuum contactor高压负荷开关H.T load switch 高压隔离开关H.T isolator操动机构control mechanism手动操动机构hand control mechanism电磁操动机构magnetic control mechanism弹簧储能操动机构(energy storing) spring operating mechanism电动操动机构motor drived operating mechanism高压熔断器H.T fuse 跌落式熔断器drop—out fuse高压电抗器H.T reactor 串联电抗器series reactor高压互感器H.T transformer 移相电容器phase—shift capacitor低压配电装置L.T distributor device低压配电屏L.T distribution panel低压无功功率补偿装置L.T reactive power compensator抽屉式低压配电屏drawable L.T distribution panel电动机控制中心motor control center (MCC)固定式低压配电屏fixed L.T distribution panel低压静电电容器屏L.T electrostatic capacitor panel出线屏outgoing panel 进线屏incoming panel联络屏connection panel 计量屏measurement panel动力馈电屏power feeder panel 照明馈电屏lighting feeder panel控制柜control cabinet 配电箱distribution cabinet总配电箱general distribution box动力配电箱power distribution box照明配电箱lighting distribution box插座箱socket box电度表箱kilowatt-hour meter box非标准控制箱，柜，台non-standard control box, cabinet, desk电源切换箱power change-over box开关switch 总开关master switch 主开关main switch刀开关knife switch 负荷开关load switch开启式开关open switch 封闭式开关closed switch组合开关combination switch自动空气断路器automatic air breaker框架式skeleton type塑料外壳式断路器moulded case circuit breaker (MCCB)行程开关position switch 微动开关microswitch万能转换开关universal switch 分级转换开关stepping switch换相开关phase converter 防爆开关explosion proof switch漏电保护开关leakage protection switch三向开关three—way switch 轻载开关underload switch压力开关pressure switch单刀双掷开关single-pole double throw switch接触器contactor 交流接触器 A.C contactor直流接触器 D.C contactor 消弧接触器arc extinction contactor起动器starter电磁起动器electromagnetic starter 磁力起动器magnetic starter自动空气式星三角起动器automatic air star-delta starter减压起动器voltage reducing starter起动控制箱starting controler 低压熔断器L.T fuse螺旋式熔断器screw fuse 快速熔断器quick fuse瓷插式熔断器plug-in fuse继电器relay电流继电器current relay 电压继电器voltage relay过电流继电器over-current relay 信号继电器signal relay时间继电器timing relay 中间继电器intermediate relay漏电继电器leakage relay 欠压继电器under-voltage relay绝缘监视继合器insulation detection relay交流电度表 A.C kilowatt hour meter单相电度表single-phase kilowatt hour meter三相电度表three-phase kilowatt hour meter无功电度表reactive kilovolt ampere-hour meter无功功率表reactive power meter 有功功率表active power meter电流表ammeter, current meter 电压表voltmeter万用电表universal meter绝缘检查电压表insulation check voltage meter功率因数表power factor meter 多相电度表polyphase meter电机electrical machine 同步的synchronous异步的asynchronous 电动机motor发电机generator转子rotor 定子stator柴油发电机（组）diesel generator (set)电动发电机（组）motor generator (set)感应电动机induction motor鼠笼式感应电动机squirrel cage induction motor绕线式电动机wound-rotor induction motor滑环式电动机slip-ring motor起动电动机starting motor; actuating motor自激电动机motor with self excitation同步器synchronizer。