变频器：inverter(日本)，AC Driver(欧美)，Frequency Converter(欧洲)
变流器：converter
整流：rectifying-rectification
整流器:rectifier
逆变：inverting-inversion
逆变器：inverter
转矩脉动：torque pulsation
脉宽调制：PWM(pulse width modulation)
正弦波脉宽调制：SPWM(sine pulse width modulation)
谐波：harmonic
矢量控制：VC(vector control)
直接转矩控制：DTC(direct torque control)
四象限运行：Four quadrant operation
再生(制动)：Regeneration (braking)
直流制动：DC braking
漏电流：leak current
滤波器：filter
电抗器：reactor
电位器：potentiometer
编码器：encoder,PLG(pulse generator)
定子：stator
转子：rotor
