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电力系统powersystem发电机generator励磁excitation励磁器excitor电压voltage电流current升压变压器step-uptransformer母线bus变压器transformer空载损耗no-loadloss铁损ironloss铜损copperloss空载电流no-loadcurrent有功损耗activeloss无功损耗reactiveloss输电系统powertransmissionsystem高压侧highside输电线transmissionline高压highvoltage低压lowvoltage中压middlevoltage功角稳定anglestability稳定stability电压稳定voltagestability暂态稳定transientstability电厂powerplant电动机motor功率因数power-factor定子stator阻抗impedance功角power-angle电压等级voltagegrade有功负载:activeloadPLoad无功负载reactiveload档位tapposition电阻resistor电抗reactance电导conductance电纳susceptance上限upperlimit下限lowerlimit正序阻抗positivesequenceimpedance负序阻抗negativesequenceimpedance零序阻抗zerosequenceimpedance无功（功率）reactivepower功率因数powerfactor无功电流reactivecurrent斜率slope额定rating变比ratio参考值referencevalue电压互感器PT能量输送powertransfer交流AC直流DC电网powersystem落点droppoint开关站switchstation调节regulation高抗highvoltageshuntreactor并列的apposable裕度margin故障fault三相故障threephasefault分接头tap切机generatortriping高顶值highlimitedvalue静态static(state)动态dynamic(state)机端电压控制AVR电抗reactance电阻resistance功角powerangle有功（功率）activepower电容器Capacitor电抗器Reactor断路器Breaker分接头tap仿真分析simulationanalysis下降率drooprate传递函数transferfunction框图blockdiagram受端receive-side同步synchronization保护断路器circuitbreaker摇摆swing阻尼damping无刷直流电机BruslessDCmotor刀闸(隔离开关)Isolator机端generatorterminal变电站transformersubstation永磁同步电机Permanent-magnetSynchronismMotor异步电机AsynchronousMotor三绕组变压器three-columntransformerThrClnTrans双绕组变压器double-columntransformerDblClmnTrans固定串联电容补偿fixedseriescapacitorcompensation双回同杆并架double-circuitlinesonthesametower单机无穷大系统onemachine-infinitybussystem励磁电流Magnetizingcurrent补偿度degreeofcompensation电磁场:Electromagneticfields失去同步lossofsynchronization装机容量installedcapacity无功补偿reactivepowercompensation故障切除时间faultclearingtime极限切除时间criticalclearingtime强行励磁reinforcedexcitation并联电容器shuntcapacitor下降特性droopcharacteristics线路补偿器LDC(linedropcompensation)电机学ElectricalMachinery主变压器maintransformer升压变压器step-uptransformer降压变压器step-downtransformer工作变压器operatingtransformer备用变压器standbytransformer公用变压器commontransformer三相变压器three-phasetransformer单相变压器single-phasetransformer带负荷调压变压器on-loadregulatingtransformer变压器铁芯transformercore变压器线圈transformercoil变压器绕组transformerwinding变压器油箱transformeroiltank变压器外壳transformercasing变压器风扇transformerfan变压器油枕transformeroilconservator(∽drum变压器额定电压transformerretedvoltage变压器额定电流transformerretedcurrent变压器调压范围transformervoltageregulationrage配电设备powerdistributionequipmentSF6断路器SF6circuitbreaker开关switch隔离开关isolator,disconnector真空开关vacuumswitch刀闸开关knife-switch接地刀闸earthingknife-switch电气设备electricalequipment变流器currentconverter电流互感器currenttransformer电压互感器voltagetransformer电源powersource交流电源ACpowersource直流电源DCpowersource工作电源operatingsource备用电源Standbysource强电strongcurrent弱电weakcurrent继电器relay信号继电器signalrelay电流继电器currentrelay电压继电器voltagerelay跳闸继电器trippingrelay合闸继电器closingrelay中间继电器intermediaterelay时间继电器timerelay零序电压继电器zero-sequencevoltagerelay差动继电器differentialrelay闭锁装置lockingdevice遥控telecontrol遥信telesignalisation遥测telemetering遥调teleregulation断路器breaker,circuitbreaker少油断路器mini-oilbreaker,oil-mini-mumbreaker高频滤波器high-frequencyfilter组合滤波器combinedfilter常开触点normallyopenedcontaact常闭触点normallyclosedcontaact并联电容parallelcapacitance保护接地protectiveearthing熔断器cutout,fusiblecutout电缆cable跳闸脉冲trippingpulse合闸脉冲closingpulse一次电压primaryvoltage二次电压secondaryvoltage并联电容器parallelcapacitor无功补偿器reactivepowercompensationdevice消弧线圈arc-suppressingcoil母线Bus,busbar三角接法deltaconnection星形接法Wyeconnection原理图schematicdiagram一次系统图primarysystemdiagram二次系统图secondarysystemdiagram两相短路two-phaseshortcircuit三相短路three-phaseshortcircuit单相接地短路single-phasegroundshortcircuit短路电流计算calculationofshortcircuitcurrent自动重合闸automaticreclosing高频保护high-freqencyprotection距离保护distanceprotection横差保护transversedifferentialprotection纵差保护longitudinaldifferentialprotection线路保护lineprotection过电压保护over-voltageprotection母差保护busdifferentialprotection瓦斯保护Buchholtzprotection变压器保护transformerprotection电动机保护motorprotection远方控制remotecontrol用电量powerconsumption载波carrier电磁型继电器electromagnetic无时限电流速断保护instantaneouslyover-currentprotection跳闸线圈tripcoil工作线圈operatingcoil制动线圈retraintcoil主保护mainprotection后备保护back-upprotection定时限过电流保护definitetimeover-currentprotection三段式电流保护thecurrentprotectionwiththreestages反时限过电流保护inversetimeover-currentprotection方向性电流保护thedirectionalcurrentprotection零序电流保护zero-sequencecurrentprotection阻抗