Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester

SHI Zhiqiang; DENG Wei; LUO Richeng; PAN Junwen; WEI Shaodong; LI Jingxian; TAO Ying; XUE Yunci

doi:10.13296/j.1001-1609.hva.2019.04.033

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Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester

更新时间：2025-04-26

- Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester
- High VoltageApparatus Vol. 55, Issue 4, Pages: 233-238+244(2019)
- 作者机构：
  
  1. 长沙理工大学电气与信息工程学院
  2. 国网湖南省电力公司检修公司
  3. 国网湖北省电力有限公司随州供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.04.033
  CLC： TM862
- Published：2019
- 稿件说明：
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[1]史志强,邓维,罗日成,潘俊文,魏绍东,李婧娴,陶莹,薛韵辞.氧化锌避雷器受潮与电气参数的关系[J].高压电器,2019,55(04):233-238+244.

SHI Zhiqiang, DENG Wei, LUO Richeng, et al. Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester[J]. High voltageapparatus, 2019, 55(4): 233-238+244.
[1]史志强,邓维,罗日成,潘俊文,魏绍东,李婧娴,陶莹,薛韵辞.氧化锌避雷器受潮与电气参数的关系[J].高压电器,2019,55(04):233-238+244. DOI： 10.13296/j.1001-1609.hva.2019.04.033.

SHI Zhiqiang, DENG Wei, LUO Richeng, et al. Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester[J]. High voltageapparatus, 2019, 55(4): 233-238+244. DOI： 10.13296/j.1001-1609.hva.2019.04.033.

摘要

为能够有效监测氧化锌避雷器在线状态

及时发现故障

避免重大事故发生

对500 kV无间隙瓷外套氧化锌避雷器在不同受潮位置下各类电气参数的变化进行了试验

分析了全电流、阻性电流分量、阻性电流3次谐波、5次谐波、有功损耗、相位角对氧化锌避雷器受潮反应灵敏度的关系。试验结果表明:受潮位置不同

MOA各个电气参数的变化也不同;全电流、相位角对MOA受潮反应灵敏度不够

只能作为对MOA受潮进行判断的初步依据;阻性电流分量、阻性电流3次谐波相结合可作为判别MOA受潮位置的依据;阻性电流5次谐波与有功损耗对MOA受潮反应灵敏度高

可作为监测MOA运行状态的重要参量。在试验室对500 kV MOA不同受潮位置下各个电气参数进行了试验研究分析

因氧化锌避雷器实际运行时的周围环境与试验室环境差异较大

所得结论可供读者参考。

Abstract

For the purpose of monitoring the status of MOA which is in services effectively and discover the potential causes of accidents of MOA timely

which is able to prevent the accidents from being expanded. The variation in the electrical parameters of 500 kV zinc oxide arrester that is tested under different moisture positions is studied in the lab. The relationship between the full current

the resistive current component

the third harmonic of the resistive current

the fifth harmonic of the resistive current

the active power loss and the phase angle on the sensitivity of the surge arrester（zinc oxide） is analyzed. The experimental results show that the variation of the electrical parameters of MOA is different under different moisture positions; the total current

the phase angle are not sensitive to the moisture sensitivity of MOA

which can only be used as the basis for the judgment of MOA moisture; the combination of resistive current component and third harmonic current can be used as a basis for judging the location of MOA; the fifth harmonic of resistive current and the active power loss have a high sensitivity to MOA

which can be used as an important parameter to monitor the running state of MOA. In this paper

the electrical parameters of 500 kV MOA under different moisture positions are tested and analyzed in the laboratory. Because of the difference between the ambient environment and the laboratory environment of the actual operation of zinc oxide arrester

the conclusions obtained in this paper are for reference only.

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