本文阐述了PWM整流器发展过程、发展现状以及发展方向，分析了PWM整流器的基本工作原理及其分类，然后采用LabVIEW-Multisim协同仿真对AC-DC变换进行完整系统的闭环仿真，结合脉冲宽度调制(PWM)信号的控制策略对整流器进行控制，最后对仿真结果进行分析。-This paper describes the development of PWM rectifier produced and present domestic and foreign research hot topic, it analyzes the basic principles and classification of PWM rectifier, and using LabVIEW-Multisim co-simulation AC-DC conversion for a complete closed-loop system simulation, combined with pulse width modulation (PWM) control strategy to control the rectifier, and analyzes the simulation results.