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我觉得波形很好 啊
加入前馈
d = 1- vin/Vdc
Vin 就是输入正弦电压,Vdc是母线电压
这个信号会是一个在过零点大duty,峰值小duty的信号,会改善THDI
但由于是前馈,注意空载时的电压飙升