变频器非正弦供电对异步电机的影响

摘要

The effects of non-sinusoidal power supply of inverter on Induction motor are introduced. The harm of harmonic voltage and current on motor magnetic circuit, stator and rotor power factor, motor losses and efficiency, harmonic torque, electric stress and shaft current is analyzed as well as its prevention measures.%介绍变频器非正弦供电对异步电机的影响,分析谐波电压和电流对电机磁路、定子和转子功率因数、电机损耗与效率、谐波转矩、电应力、轴电流产生的危害和如何防止。