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