A high frequency DC link single phase PWM rectifier

A high frequency dc link single phase PWM rectifier is proposed in this paper. It has the advantages of high efficiency, high power density, high reliability, and wide range of output voltage etc. A dual loop control scheme for this PWM rectifier is developed, which includes an inner PR (Proportional-Resonant) current controller and an outer PI (Proportional-Integral) controller. Nearly unit power factor and constant output dc voltage are obtained. Simulation results are provided to testify the effectiveness of the proposed scheme.