This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SVPWM-三电平-TI官网的论文-仿真含有较大的5次和7次谐波,求指教,谢!

我所用的拓扑为三电平-二极管钳位;用的是matlab仿真(器件为理想器件,发波之间基本不留死区),软件是开环发波(只检测发波方法);由图可知,在每个扇区转换时,都产生了谐波,基本为5次和7次谐波,这是什么原因?

下图(1);A相的Q1(1通道)、Q2的载波(2通道)和A相电压(3通道)

下图(2);A相(1通道)、B相(2通道)和C相(3通道)

下图(3)为A相的频谱分析: