感应电动机直接转矩控制系统转矩脉动分析

Study on Torque Ripple of Induction Motor Direct Torque Control

基于感应电动机电磁转矩方程,分析了直接转矩控制系统中不同电压矢量对电磁转矩的作用,解释了不合理转矩脉动产生的原因,并给出了相应的解决方法。

To solve torque ripple in the direct torque control （DTC）, based on the equation of torque of induction motor, the effect of different voltage vectors on torque is analyzed, the reason of unreasonable torque ripple is given, and the method to solve the problem is proposed.