采用电压矢量切换的异步电机电流跟随控制

CURRENT FOLLOWING CONTROL OF INDUCTION MOTORS BY USING VOLTAGE VECTOR CHANGE OVER

文章利用电压型逆变器电压矢量的简单切换实现了对负载电流的快速跟随控制．由于采用电压矢量直接控制电流偏差的导数，并根据电流偏差的幅值区域切换控制模式，从而不仅能提高电流跟随的快速性，而且抑制了跟随电流的谐波噪声．文章详细研究了该方案的控制原理及方法并做了实验研究．

This study realized quick following control of the load current by means of thesimple voltage vector change over of voltage inverter. The derivative of current deviation is directly controlled by voltage vector,and the control Pattern change over is made according to theamplithede area of current deviation so that the speed of current following is improved, and theharmonic noises are suppressed.The control principle and method of the scheme is shudied in detail and experiment research is also made.