电气英语证书考试(pec)-常用的电气专业术语

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1、电气英语证书考试(PEC)-常用的电气专业术语inductionmachine感应式电机horseshoemagnet马蹄形磁铁magneticfield磁场eddycurrent涡流right-handrule右手定则left-handrule左手定则slip转差率inductionmotor感应电动机rotatingmagneticfield旋转磁场winding绕组stator定子rotor转子inducedcurrent感生电流time-phase时间相位excitingvoltag

2、e励磁电压solt槽lamination叠片laminatedcore叠片铁芯short-circuitingring短路环squirrelcage鼠笼rotorcore转子铁芯cast-aluminumrotor铸铝转子bronze青铜horsepower马力random-wound散绕insulation绝缘acmotor交流环电动机endring端环alloy合金coilwinding线圈绕组form-wound模绕performancecharacteristic工作特性

3、frequency频率revolutionsperminute转/分motoring电动机驱动generating发电per-unitvalue标么值breakdowntorque极限转矩breakawayforce起步阻力overhauling检修wind-drivengenerator风动发电机revolutionspersecond转/秒numberofpoles极数speed-torquecurve转速力矩特性曲线plugging反向制动synchronousspeed同步转速p

4、ercentage百分数locked-rotortorque锁定转子转矩full-loadtorque满载转矩primemover原动机inrushcurrent涌流magnetizingreacance磁化电抗line-to-neutral线与中性点间的staorwinding定子绕组leakagereactance漏磁电抗no-load空载fullload满载Polyphase多相(的)iron-loss铁损compleximpedance复数阻抗rotorresistance转子电阻

5、leakageflux漏磁通locked-rotor锁定转子choppercircuit斩波电路separatelyexcited他励的compounded复励dcmotor直流电动机demachine直流电机speedregulation速度调节shunt并励series串励armaturecircuit电枢电路opticalfiber光纤interoffice局间的waveguide波导波导管bandwidth带宽lightemittingdiode发光二极管silica硅石二

6、氧化硅regeneration再生,后反馈放大coaxial共轴的,同轴的high-performance高性能的carrier载波mature成熟的SingleSideBand(SSB)单边带couplingcapacitor结合电容propagate传导传播modulator调制器demodulator解调器linetrap限波器shunt分路器AmplitudeModulation(AM调幅FrequencyShiftKeying(FSK)移频键控tuner调谐器attenua

7、te衰减incident入射的two-wayconfiguration二线制generatorvoltage发电机电压dcgenerator直流发电机polyphaserectifier多相整流器boost增压timeconstant时间常数forwardtransferfunction正向传递函数errorsignal误差信号regulator调节器stabilizingtransformer稳定变压器timedelay延时directaxistransienttimeconstant直轴瞬变

8、时间常数transientresponse瞬态响应solidstate固体buck补偿operationalcalcul