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1、机电英语常用电气短语电力系统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：reactiveloss无功损耗：activeloss输电系统powertransmissionsystem高丿k侧highside输电线transmiss

2、ionline高压：highvoltage低压：lowvoltage屮压：middlevoltage功角稳定anglestability稳定stability电压稳定voltagestability暂态稳定transientstability电厂powerplant能量输送powertransfer交流AC克流DC电网powersystem落点droppoint开关站switchstation调节regulation高抗highvoltageshuntreactor并歹i啲：apposable裕度margin故障fa

3、ult三札T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resistanee功角powerangle有功(功率)activepower电容器：C即acitor电抗器：Reactor断路器：Breaker电动机：motor功率因数：power-factor定子:stator阻抗：impedance功角：power-angle电压等级：vo

4、ltagegrade有功负载：activeloadPLoad无功负载：reactiveload档位：tapposition电阻：resistor电抗：reactanee电导:conductance电纳：susceptanee上限:upperlimit下限:lowerlimit止序阻抗：positivesequenceimpedance负序阻抗：negativesequenceimpedanee零序阻抗：zerosequenceimpedance无功（功率）reactivepower功率因数powerfactor无功电

5、流reactivecurrent斜率slope额定rating变比ratio参考值refereneevalue电压互感器PT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无刷立流电机：BruslessDCmotor刀闸（隔离开关）：Isolator机端generatorterminal变

6、电站transformersubstation永磁同步电机：Permanent-magnetSynchronismMotor异步电机：AsynchronousMotor三绕组变压器：three-columntransformerThrCInTrans双绕组变圧•器：double-columntransformerDbICImnTrans固定申联电容补偿fixedseriescapacitorcompensation双回同杆并架double-circuitlinesonthesametower单机无穷大系统onemac

7、hine-infinitybussystem励磁电流：magnetizingcurrent补偿度degreeofcompensationElectromagneticfields电磁场失去同步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Hi容器：shuntcapacitor

8、<下降特性droopcharacteristics线路补偿器LDC(linedropcompensation)电机学ElectricalMachinery口动控制理论AutomaticControlTheory电磁场ElectromagneticField微机原理PrincipleofMicrocomputer电T学Electrotechnic