中文说明：matlab实现的单相双闭环ＰＷＭ整流器 参数设置比较正确 波形出来也不错 就是进入稳态时间比较长
English Description：
The parameters of single-phase double closed-loop PWM rectifier realized by MATLAB are relatively correct, and the waveform is good, that is, it takes a long time to enter the steady state