说明：  PWM整流器仿真，稳压效果好，采用svpwm调整，pll锁相环并网，电流波形纹波小，响应快
(Simulation of PWM rectifier shows that the effect of voltage stabilization is good, SVPWM adjustment is adopted, PLL phase-locked loop is connected to the grid, the current waveform ripple is small and the response is fast)