It points out that even very small ground current could also produce very high overvoltage, and in network of small ground current the singte phase arc earthing is principally expressed as high frequency arc suppressing.

 
  • 指出:即使很小的接地電流也會(huì )產(chǎn)生很大的過(guò)電壓,而且在小接地電流電網(wǎng)中單相弧光接地主要表現為高頻熄弧。
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