Rectification and inversion coordinated control method for synchronous motor driven by three-level double-PWM frequency converter

The invention discloses a rectification inversion coordination control method for a three-level double PWM frequency converter driving synchronous motor, and belongs to the field of power electronicsand power transmission. According to the method, the instantaneous power of the load side of the synchronous motor is calculated and introduced into the control of the rectification side, so that thewhole control system is accelerated in dynamic response and stable in intermediate voltage, has the characteristics of simplicity in calculation, easiness in implementation and the like, and can be effectively applied to the field of synchronous motor driving. 本发明公开一种三电平双PWM变频器驱动同步电机整流逆变协调控制方法，属于电力电子与电力传动领域。该方法将同步电机负载侧的瞬时功率计算出来，并将其引入整流侧的控制，使得整个控制系统动态响应加快，中间电压保持平稳，并且具有计算简单，易于实现等特点，可有效应用于同步电机驱动领域。