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Fast distinguish the wiring correctness of longitudinal differential protection by means of polarity principle
Pages: 54-55
Year: Issue:  6
Journal: RELAY

Keyword:  极性法纵差保护接线正确;
Abstract: 纵差保护在电力系统中应用非常广泛且特别重要,因此保证纵差保护接线的正确,是电力系统稳定运行的关键所在.由于受电力系统运行方式的影响,不可能使设备长时间停运检查,所以利用"极性法"快速判断纵差保护接线正确性,对保护投运、事故调查是一种快速判别的方法.
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