为什么永磁同步电机反电动势为正弦，结构差不多的bldc却是梯形波，是因为永磁体还是因为绕组？知乎 Sketch Coloring Page

为什么永磁同步电机反电动势为正弦，结构差不多的bldc却是梯形波，是因为永磁体还是因为绕组？知乎 Template

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tomski为什么永磁同步电机反电动势为正弦，结构差不多的bldc却是梯形波，是因为永磁体还是因为绕组？知乎 coloring

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