Research on Leakage Current Test of Upper Section of 500 kV Arrester

LIU Xiaofei; WANG Tao; JIA Xiaoyu; LI Jianpeng; HU Weitao; ZHANG Baoquan; ZHAO Zhilong

doi:10.13296/j.1001-1609.hva.2026.04.011

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Research on Leakage Current Test of Upper Section of 500 kV Arrester

Research & Analysis | 更新时间：2026-04-08

- Research on Leakage Current Test of Upper Section of 500 kV Arrester
- High Voltage Apparatus Vol. 62, Issue 4, Pages: 98-103(2026)
- 作者机构：
  
  国网河北省电力有限公司超高压分公司，石家庄 050000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.04.011
  CLC：
- Received：23 September 2025，
  
  Revised：2025-12-07，
  
  Published：16 April 2026
- 稿件说明：
移动端阅览
LIU Xiaofei, WANG Tao, JIA Xiaoyu, et al. Research on Leakage Current Test of Upper Section of 500 kV Arrester[J]. High Voltage Apparatus, 2026, 62(4): 98-103.
DOI：

LIU Xiaofei, WANG Tao, JIA Xiaoyu, et al. Research on Leakage Current Test of Upper Section of 500 kV Arrester[J]. High Voltage Apparatus, 2026, 62(4): 98-103. DOI： 10.13296/j.1001-1609.hva.2026.04.011.

摘要

文中主要对不拆线试验测试500 kV电压等级避雷器直流泄漏电流超标问题进行研究。针对多节避雷器上节0.75

1mA

下泄漏电流超标问题，采用Ansys Maxwell仿真和现场测试开展系统分析。提出解决该问题的现场测试方案，并得出该方案可有效降低电离电流对测试结果的影响，提高泄漏电流测试准确性的结论。现场测试结论与仿真结果一致。

Abstract

In this paper the issue of excessive DC leakage current of 500 kV lightning arrester is studied under the non-disconnection test. As for the issue of excessive leakage current at 0.75

1mA

in the first section of multiple lightning arresters

a system analysis is conducted by using Ansys Maxwell simulation and on-site testing. An on-site testing plan to address this issue is proposed and it is concluded that this plan can effectively reduce the influence of ionization current on testing results and improve the accuracy of leakage current testing. The on-site test results are consistent with the simulation results.

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references

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