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Feasibility study and practice of checking the polarity of differential protection by using the inrush current
Pages: 26-29
Year: Issue:  6
Journal: Hunan Electric Power

Keyword:  励磁涌流差动保护TA极性;
Abstract: 以清蓄电厂为例介绍利用主变压器充电时的励磁涌流校核差动保护极性的可行性分析和实践过程,该方法克服电厂负荷低的困难,利用励磁涌流电流导相偏置的特点开展带负荷检查,具有实际工程意义,可供新并网厂站校核差动保护极性作参考.
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