It is immune from the unbalanced status of network and the values of earthed resistance. To the complicated intermittent arc-earth fault, the proposed method also works well.
该方法不受电网平衡情况和接地电阻大小的影响，对复杂的间歇性电弧接地故障同样有效。
In the article the author analysises and discusses earthed neutral system. Methods of electric resistance and autotracking arcextinguishing coil in neutral point are discussed.
本文就城网改造中，配电网中性点运行方式问题进行了分析、探讨，强调采用中性点经电阻和自动跟踪补偿消弧线圈接地方式。
This article introduces the test data and analysis of domestic durable resistance depressant for earthed system used in more than ten years.
介绍国产长效接地降阻剂试用十余年的实测数据及情况分析。
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