Fast Space Vector Algorithm of Pulse Width Modulation Rectifier

A novel space-vector sector judgment method for the three-phase PWM rectifier is presented. The sector of expected voltage vector can be judged according to the component polarity of expected voltage vector in the three-phase static coordinates. Compared with the traditional space-vector judgment method, no needs calculating of sinusoidal and arctan function. The easily realized calculation makes the running speed of judging sector program efficiently. The simulation results verify suggested scheme.