电气专业英语词汇

1、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activepower 无功功率reactivepower视在功率apparentpower装设功率installedpower供电局powersupplyauthority电力公司powersupplycompany发电厂powerplant 变电所substation配电站distributionsubstation配变电站transformerstation终端变电站terminals

2、ubstation车间变电站substationinworkshop:室内变电站indoorsubstation自动变电站automaticsubstation成套变电站unitsubstation高压室H.Troom 低压室L.Troom变压器室transformerroom变压器平台transformerplatform柴油发电机室dieselgeneratorroom控制室controlroom蓄电池室batteryroom值班室dutyroom休息室restroom电容器室condenserroom充电室battery-chargingroom室外储油罐outdooroiltank地下

3、油罐undergroundoiltank日用油箱daytank 负荷load一类负荷first-classload二类负荷second-classload三类负荷third-classload照明负荷lightingload动力负荷powerload电阻负荷resistanceload电抗负荷reactiveload冲击负荷shockload空载non-load有载on-load满载full-load过载over-load不平衡负荷unbalancedload平衡负荷balancedload额定负载nominalload负荷计算loadcirculation 功率因数powerfactor同时

4、使用系数diversityfactor需要系数法demandfactormethod利用系数法utilizationfactormethod二项式法binomialmethod无功功率补偿reactivepowercompensation自然功率因数naturalpowerfactor补偿后功率因数powerfactoraftercompensating高压补偿compensatinginH.Tside低压补偿compensatinginL.Tside 负荷率loadrate补偿容量compensatingcapacity设备装设容量installedcapacity备用容量standbyca

5、pacity 额定容量ratedcapacity视在容量apparentcapacity 计算容量calculatedcapacity短路容量shortcircuitcapacity负荷计算表loadcalculationtable电压voltage高压hightension(H.T) 低压lowtension(L.T)冲击电压impulsevoltage 临界电压criticalvoltage残余电压residualvoltage 击穿电压breakdownvoltage供电电压supplyvoltage 照明电压lightingvoltage工作电压workingvoltage 额定电压r

6、atedvoltage相电压phasevoltage 线电压linevoltage过压over-voltage 欠压under-voltage 电压降voltagedrop电压损失voltageloss 电压偏移voltagedeviation电压波动voltagevariation 电压标准voltagestandard电压等级voltageclass 电压调整率voltageregulationrate电流current交流alternatingcurrent(A.C) 直流directcurrent(D.C)短路电流short-circuit 短路点shortcircuitpoint三相

7、短路电流three-phaseshort-circuitcurrent两相短路电流two-phaseshort-circuitcurrent单相短路电流single-phaseshort-circuitcurrent短路电阻short-circuitresistance 短路电压short-circuitvoltage短路电抗short-circuitreactance 短路容量short-circuitcapacity短路稳定性short-circuitstability短路冲击电流short-circuitimpulsecurrent热效应thermaleffect稳定短路电流steady

8、stateshort-circuitcurrent切断电流cut-offcurrent整定电流settingcurrent动作电流actioncurrent 额定电流ratedcurrent,nominalcurrent熔体电流meltcurrent 熔丝电流fusecurrent故障电流faultcurrent极限电流limitingcurrent过电流overcurrent有效值virtualvalue,effectivevalue电源，供电方式powerandsupplysystem工作电源workingpowersource操作电源operatingpowersource备用电源sta

9、ndbysource应急电源emergencysource常用电源normalsource供电电压supplyvoltage双回路供电two-feedersupply两个独立电源twoindependentpowersupply放射式radialsystem单回路放射式one-circuitradialsystem双回路放射式two-circuitradialsystem有公用备用干线的放射式radialsystemwithpublicstandbymainline树干式trunksystem 单回路树干式one-circuittrunksystem单侧供电双回路树干式two-circuit

10、trunk system withone-sidepowersupply双侧供电单回路树干式one-circuittrunksystemwithtwo-sidepowersupply双侧供电双回路树干式two-circuit trunk system withtwo-sidepowersupply环式ringsystem 链式chainsystem变压器干线式transformer-mainlinesystemTN系统TNsystemTNS系统TN-SsystemTNC系统TN-CsystemTNCS系统TN-C-SsystemTT系统TTsystem单相二线制1-phase2-wiresys

11、tem三相四线制3-phase4-wiresystem三相五线制3-phase5-wiresystem保护线protectiveearth(PE)中性线（N线）neutral分列运行independentoperation并列运行paralleloperation无载运行non-loadoperation变压器系数transformerfactor调压器voltageregulator 稳压器stabilizer 减压器reducer整流器rectifier限流器currentlimiter自动功率调整器automaticpowerregulator电压互感器voltagetransforme

12、r 电流互感器currenttransformer降压变压器step-downtransformer自动调压器automaticregulator高频变压器high-frequencytransformer降压器step-downtransformer升压器step-uptransformer二次接线图号secondarywiringdrawingNo.外形尺寸overalldimension一次主要设备preliminarymainequipment辅助设备auxiliaryequipment 进线incomingline出线outgoingline 规格specification 数量qu

13、antity高压电器H.Tequipment高压配电柜H.Tdistributioncabinet高压开关柜H.Tswitchgear手车式高压开关柜drawouttypeH.Tswitchgear户内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.Treactivepowercompensator高压静电电容器柜 H.Telectrostaticcapacitorcabinet大功率并联电容无功功率补偿high power parallel capacitorreactivepowercompensating高压断路器

14、H.Tcircuitbreaker少油断路器minimumoilcircuitbreaker油断路器oilcircuitbreaker真空断路器vacuumcircuitbreaker空气断路器aircircuitbreaker六氟化硫断路器sulfurhexaflouridebreaker(SF6breaker)户内式indoor(type)户外式outdoor(type)电磁式electromagnetic 产气式aerogenic高压接触器H.Tcontactor高压真空接触器H.Tvacuumcontactor高压负荷开关H.Tloadswitch高压隔离开关H.Tisolator操动

15、机构controlmechanism手动操动机构handcontrolmechanism电磁操动机构magneticcontrolmechanism弹簧储能操动机构(energystoring)springoperatingmechanism电动操动机构motordrivedoperatingmechanism高压熔断器H.Tfuse跌落式熔断器dropoutfuse高压电抗器H.Treactor串联电抗器seriesreactor高压互感器H.Ttransformer移相电容器phaseshiftcapacitor低压配电装置L.Tdistributordevice低压配电屏L.Tdistr

16、ibutionpanel低压无功功率补偿装置L.Treactivepowercompensator抽屉式低压配电屏drawableL.Tdistributionpanel电动机控制中心motorcontrolcenter(MCC)固定式低压配电屏fixedL.Tdistributionpanel低压静电电容器屏L.Telectrostaticcapacitorpanel出线屏outgoingpanel进线屏incomingpanel联络屏connectionpanel计量屏measurementpanel动力馈电屏powerfeederpanel照明馈电屏lightingfeederpanel

17、控制柜controlcabinet配电箱distributioncabinet总配电箱generaldistributionbox动力配电箱powerdistributionbox照明配电箱lightingdistributionbox插座箱socketbox电度表箱kilowatt-hourmeterbox非标准控制箱，柜，台non-standardcontrolbox,cabinet,desk电源切换箱powerchange-overbox开关switch总开关masterswitch主开关mainswitch刀开关knifeswitch负荷开关loadswitch开启式开关openswi

18、tch封闭式开关closedswitch组合开关combinationswitch自动空气断路器automaticairbreaker框架式skeletontype塑料外壳式断路器mouldedcasecircuitbreaker(MCCB)行程开关positionswitch 微动开关microswitch万能转换开关universalswitch分级转换开关steppingswitch换相开关phaseconverter防爆开关explosionproofswitch漏电保护开关leakageprotectionswitch三向开关threewayswitch轻载开关underloadsw

19、itch压力开关pressureswitch单刀双掷开关single-poledoublethrowswitch接触器contactor交流接触器A.Ccontactor直流接触器D.Ccontactor消弧接触器arcextinctioncontactor起动器starter电磁起动器electromagneticstarter磁力起动器magneticstarter自动空气式星三角起动器automaticairstar-deltastarter减压起动器voltagereducingstarter起动控制箱startingcontroler低压熔断器L.Tfuse螺旋式熔断器screwfuse快速熔断器quickfuse瓷插式熔断器plug-infuse继电器relay电流继电器currentrelay 电压继电器voltagerelay过电流继电器over-currentrelay 信号继电器signalrelay时间继电器timingrelay 中间继电器intermediaterelay漏电继电器leakagerelay 欠压继电器under-voltagere