中文说明：三相异步电机的SVPWM转差频率闭环调速系统的matlab实现，版本matlab7.4-Three-phase SVPWM induction motor slip frequency of the closed-loop speed control system to achieve matlab, version matlab7.4
English Description：
Three-phase SVPWM induction motor slip frequency of the closed-loop speed control system to achieve matlab, version matlab7.4