空间矢量脉宽调制程序，利用alpa beta轴输入电压，产生相应的6路PWM波，输出驱动三相逆变器，以产生旋转磁链-Space vector pulse width modulation process, the use of the Alpa beta axis of the input voltage, to produce the corresponding 6-channel PWM wave output drive three-phase inverter, to produce a