为什么输入220v的交流电,对其整流滤波后得到的不是310v左右的直流电,反而是380v左右的直流电? 知乎 Template


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tomski为什么输入220v的交流电,对其整流滤波后得到的不是310v左右的直流电,反而是380v左右的直流电? 知乎 coloring