... single point earthing 单点接地 single point grounding 单点接地 single pole cut out 单极熔断器 ...
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rotor single-point grounding 转子一点接地
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The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
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