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在实践中我们发现电力电缆有些故障往往容易被忽视,如同一根电缆的两相在不同地点接地形成的短路故障,或同一母线上的
In practice, we found that some failures of power cables are often easily overlooked, such as the short circuit fault caused by the grounding of two phases of one cable in different locations or the failure on the same bus