电压型逆变器供电的感应电动机电磁设计

Electromagnetic Design of Induction Motors Fed by Voltage-Type Inverter

本文分析了电压型逆变器供电的感应电动机的谐波电流、谐波磁势、谐波转矩以及电机中的损耗。并讨论了逆变器输出电压谐波对电机铁耗、铜耗与参数计算式的影响。文章还提供了谐波等效电路及某些电磁计算公式。论文的分析有助于解决电压型逆变器供电的感应电动机的设计,按本文.分析所设计的电机在实用中取得了较满意的结果。

In this Paper, the harmonic contents of current, MMF and electromagnetic torqueas well as losses in the motor are analyzed. Expressions of losses and parameters influenced by the harmonic content of inverter output voltage are studied. Also, a harmonic equivalent circuit and some calculating expressions in the design of induction motors fed by voltage source inverter are presented. Discussions in this paper are helpful to the design of induction motors fed by voltage type inverter and have mad6 a good agreement in practical application.