这是一个用MATLAB/simulink搭建的AC-DC模型，先将220V交流电降压后，经过整流、滤波后变为平直的直流电，然后经过一个Buck电路，通过调节占空比，将输出电压、电流稳定在25V、5A(This is a AC-DC model built with MATLAB/simulink. After the 220V AC is depressurization, after rectification and filtering, it becomes straight DC, an

提供三种控制方式：单相PWM整流瞬态电流直接控制；单相PWM整流预测电流控制；单相PWM整流虚拟dq坐标控制(Three control modes are provided: single-phase PWM rectifier transient current direct control; single-phase PWM rectifier predictive current control; single-phase PWM rectifier virtual dq coordin