Research on lightning protection devices for overhead transmission lines based on electromagnetic suppression method

WU Hong; FANG Ziyi; HAO Ming; WU Bo; WU Yanheng; LI Dingpei

doi:10.3969/j.issn.1672-3643.2024.02.010

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Research on lightning protection devices for overhead transmission lines based on electromagnetic suppression method

更新时间：2026-06-27

- Research on lightning protection devices for overhead transmission lines based on electromagnetic suppression method
- Ningxia Electric Power Issue 2, (2024)
- 作者机构：
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- DOI：10.3969/j.issn.1672-3643.2024.02.010
  CLC：
- Online First：27 May 2024，
  
  Published：2024
- 稿件说明：
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WU Hong, FANG Ziyi, HAO Ming, et al. Research on lightning protection devices for overhead transmission lines based on electromagnetic suppression method[J]. Ningxia Electric Power, 2024, (2).
DOI：

WU Hong, FANG Ziyi, HAO Ming, et al. Research on lightning protection devices for overhead transmission lines based on electromagnetic suppression method[J]. Ningxia Electric Power, 2024, (2). DOI： 10.3969/j.issn.1672-3643.2024.02.010.

摘要

为进一步提升架空输电线路耐雷水平，解决传统防雷装置在降低雷电流幅值方面存在的不足，采用电磁抑制法可有效降低雷电流波形陡度和入地电流峰值的新型防雷装置。对新型防雷装置结构及电气进行了设计，研究了通流线圈及装置制造工艺，最后制作了装置样机并开展模拟试验。结果表明，相较于传统防雷装置，新型防雷装置雷电流波形陡度降低幅度达54%，雷电流入地峰值降低幅度达26%，且适应于多种铁塔角钢尺寸、方向的安装，可有效降低架空输电线路遭受雷电绕击和反击概率。

Abstract

A new lightning protection device using electromagnetic suppression has been developed to enhance the lightning resistance of overhead transmission lines and overcome the limitations of traditional lightning protection devices in reducing the amplitude of lightning current.This method can effectively reduce both the steepness of the lightning current waveform and the peak of the earthward current.The design of the new device's structure and electrical characteristics are investigated

including the current-carrying coil and the device's manufacturing techniques.Finally

a prototype is made and subjected to simulation testing.The results indicate that

in comparison to traditional lightning protection devices

the novel device achieves a 54% reduction in the steepness of the lightning current waveform and a 26% reduction in the peak earthward current.Besides

it can accommodate various installation dimensions and directions for tower angle steel

significantly reducing the probability of lightning side flashes and backflashes affecting overhead transmission lines.

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Related Author

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Related Institution

Ningdong Power Supply Company,State Grid Ningxia Electric Power Co.,Ltd.,Lingwu Ningxia

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