两个电容顶部的虚线表示切换交流信号时的线圈阻抗。

The dotted line connecting the tops of the two capacitors represents the low coil impedance to ac signals.

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发电机中性点运行方式有中性点不接地、小阻抗接地、高阻抗接地、消弧线圈接地。

Generator neutral ground methods include non-ground, low impedance ground, high impedance ground and arc-suppression coil ground.

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通常是由于有限的“线圈-触点”阻抗引起的。

It comes mostly from the finite coil-to-contact impedance.

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