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Home > Wen Yuan (Primary School Edition) > 2021 No.10 > 浅谈10kV配电网经高阻接地方式下过电压及接地故障选线

  • 浅谈10kV配电网经高阻接地方式下过电压及接地故障选线

    Author(s)：

    何一莨 陈浩伟

    Publication Title：

    Wen Yuan (Primary School Edition) 2021 No.10

    Affiliations：

    国网淮安供电公司 江苏 淮安 223300

    Abstract：

    中性点经高阻接地方式在10kV配电网中的应用较为普遍，这种接地方式的小电流接地系统在出现单相接地故障后，接地电流能够控制在10A以内，电阻值的选择需要将弧光接地过电压、断线谐振过电压、电磁式电压互感器饱和过电压等要素考虑在内。一般情况下，高阻接地方试在很多规模小且系统电容电流低于10A的配电网场景下应用效果较为良好，但对于系统安全性要求较为严格，一些易燃易爆炸环境下的工业公店网可以选择较高的中性点电阻，从而控制单相接地电流。本文主要围绕10kV配电网经高阻接地方式展开论述，探讨该模式下的过电压和接地故障选线。

    Keywords：

    10kV；配电网；高阻接地

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    [1] 何一莨,陈浩伟.浅谈10kV配电网经高阻接地方式下过电压及接地故障选线[J].Wen Yuan (Primary School Edition),2021(10),.

文渊(小学版)
Wen Yuan (Primary School Edition)

Language: 中文

CN：11-9274/G

ISSN：2096-6261

Publication Frequency: 月刊

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