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Home > Wen Yuan (Primary School Edition) > 2022 No.09 > 中性点非有效接地系统电压互感器损坏原因分析

  • 中性点非有效接地系统电压互感器损坏原因分析

    Author(s)：

    孙可赞  贾亮

    Publication Title：

    Wen Yuan (Primary School Edition) 2022 No.09

    Affiliations：

    国网河北省电力有限公司新乐市供电分公司

    Abstract：

    近年来，我国中性点非有效接地系统中电压互感器（简称PT）频繁发生故障，对电网安全造成了极大的危害。PT故障的根本原因是由于PT过励磁而造成的热损伤，由于间歇弧地过电压以及铁磁谐振过电压导致。抑制PT过励磁的重点在于抑制PT自身所承受的电弧过压及铁磁谐振过电压。基于此，本文对中性点非有效接地系统电压互感器损坏原因进行了分析，并阐述了其对策。

    Keywords：

    电压互感器；过励磁；铁磁谐振

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    [1] 孙可赞,贾亮.中性点非有效接地系统电压互感器损坏原因分析[J].Wen Yuan (Primary School Edition),2022(09),.

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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