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Lightning Protection of 10-kV Distribution Lines by Multiple Breakpoints Arc-Extinguishing Lightning Protection Gap

机译:用多个断点灭弧防雷间隙保护10 kV配电线路的防雷

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摘要

This article introduces a 10-kV multiple breakpoints arc-extinguishing lightning protection gap, which can solve the lightning protection problem of 10-kV distribution lines. In order to investigate the arc-extinguishing characteristics of the device, ANSYS' Fluent software was used to simulate and analyze the high-speed airflow-coupled arc process. A magnetohydrodynamic (MHD) model has been developed to analyze the temperature distribution of the arc plasma in the arcextinguishing chamber. The experiment modeling the lightning discharge effect and the lightning impulse combined frequency coupling experiment are performed to validate the effectiveness of the device. The test results indicate that the power frequency arc was extinguished by the device within 0.3 ms and did not rekindle with the effect of the power frequency voltage.
机译:本文介绍了一种10 kV多个断点的消弧防雷间隙,可以解决10 kV配电线路的防雷问题。为了研究该设备的灭弧特性,ANSYS的Fluent软件用于模拟和分析高速气流耦合电弧过程。已经开发了磁流体动力学(MHD)模型来分析灭弧室内电弧等离子体的温度分布。进行了模拟雷电放电效果的实验和雷电脉冲组合频率耦合实验,以验证该装置的有效性。测试结果表明,该设备在0.3 ms内熄灭了工频电弧,并且未因工频电压的影响而重新点燃。

著录项

  • 来源
    《IEEE Transactions on Plasma Science》 |2020年第2期|531-536|共6页
  • 作者

  • 作者单位

    Guilin Univ Technol Dept Mech & Control Engn Guilin 541004 Peoples R China;

    Guangxi Univ Key Lab High Voltage Dept Elect Engn Nanning 530004 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Device; experiment; gap; lightning; test results;

    机译:设备;实验;间隙;闪电;检测结果;

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