电流current电压voltage功率power频率frequency电阻resistance电容capacitance电抗reactance电阻率resistivity阻抗impedance相,相位phase有功功率activepower无功功率reactivepower视在功率apparentpower装设功率installedpower安培ampere(A)伏volt(V)欧姆ohm赫兹hertz(HZ)瓦watt(W)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terminalsubstation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维修间maintenanceroom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standbycapacity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ratedvoltage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steadystateshort-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over--current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standbysource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-circuittrunksystemwithone-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-circuittrunksystemwithtwo-sidepowersupply环式ringsystem链式chainsystem变压器—干线式transformer-mainlinesystemTN系统TNsystemTN—S系统TN-SsystemTN—C系统TN-CsystemTN—C—S系统TN-C-SsystemTT系统TTsystem单相二线制1-phase2-wiresystem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transformer三相变压器three-phasetransformer油浸变压器oil-immersedtransformer自冷变压器self-coolingtransformer铜线变压器copper-coiltransformer铝线变压器aluminum-coiltransformer有载调压的变压器on-loadregulatingtransformer可调变压器variabletransformer全封闭的变压器fully-enclosedtransformer干式变压器drytransformer单相变压器single-phasetransformer防雷变压器lightning-prooftransformer环氧浇注变压器epoxy-resinfilledtransformer电力变压器powertransformer低损耗变压器lowlosstransformer照明变压器lightingtransformer控制变压器controltransformer三相油浸自冷式铝线低损耗有调压电力变压器3-phaseoil-immersedself-coolingandlow-lossaluminum-coilpowertransformer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不停电电源uninterruptedpowersupply(UPS)变阻器rheostat电阻器resister自动功率调整器automaticpowerregulator电压互感器voltagetransformer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编号code型号type用途function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quantity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draw—outtypeH.Tswitchgear户内交流金属铠装移动式开关柜indoorA.Carmoredmovableswitchgear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highpowerparallelcapacitorreactivepowercompensating高压断路器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motordrivedoperatingm