On-line Monitoring of Zinc Oxide Arrester Considering Electromagnetic Signal Interference in Voltage Acquisition

LI Baoyin; WU Hongliang; GONG Zihao

doi:10.13296/j.1001-1609.hva.2024.02.016

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On-line Monitoring of Zinc Oxide Arrester Considering Electromagnetic Signal Interference in Voltage Acquisition

Research & Analysis | 更新时间：2025-04-26

- On-line Monitoring of Zinc Oxide Arrester Considering Electromagnetic Signal Interference in Voltage Acquisition
- High Voltage Apparatus Vol. 60, Issue 2, Pages: 156-162(2024)
- 作者机构：
  
  1.国能河北定州发电有限责任公司，河北　定州　 073000
  2.保定同为电力科技有限公司，河北　保定　 071000
- 作者简介：
- 基金信息：
  
  Science and Technology Fund of Hebei Company of National Energy Group(河北定州电厂（2021）327号)
- DOI：10.13296/j.1001-1609.hva.2024.02.016
  CLC：
- Received：14 September 2023，
  
  Revised：18 November 2023，
  
  Published：16 February 2024
- 稿件说明：
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LI Baoyin, WU Hongliang, GONG Zihao. On-line Monitoring of Zinc Oxide Arrester Considering Electromagnetic Signal Interference in Voltage Acquisition[J]. High voltage apparatus, 2024, 60(2): 156-162.
DOI：

LI Baoyin, WU Hongliang, GONG Zihao. On-line Monitoring of Zinc Oxide Arrester Considering Electromagnetic Signal Interference in Voltage Acquisition[J]. High voltage apparatus, 2024, 60(2): 156-162. DOI： 10.13296/j.1001-1609.hva.2024.02.016.

摘要

为实时监测氧化锌避雷器运行状态，提出考虑电压采集电磁信号干扰的氧化锌避雷器在线监测方法。利用经验模态分解方法去除原始电压信号中的电磁噪声，消除电磁干扰；利用谐波分析法对电压与电流信号实施快速傅里叶变换操作，简化运算，获取避雷器的阻性、基波阻性以及三次谐波电流，由此判定氧化锌避雷器运行状态。实验证明：该方法可以有效去除电磁噪声以及无用信息，保留了有效信息，测量误差也未超过0.25%，能够有效监测出氧化锌避雷器的运行状态。

Abstract

For monitoring the operating status of Zinc oxide surge arrester in real-time

an online monitoring method for Zinc oxide surge arrester considering the interference of voltage acquisition electromagnetic signals is proposed. The empirical mode decomposition method is used to remove electromagnetic noise from the original voltage signal and eliminate electromagnetic interference. The harmonic analysis method is used to implement the fast Fourier transform operation on the voltage and current signals

simplify the operation

obtain the resistance

fundamental wave resistance and third harmonic current of the lightning arrester

and thus determine the operating status of the Zinc oxide lightning arrester. The experiment proves that this method can effectively remove electromagnetic noise and useless information

retain effective information and the measurement error does not exceed 0.25%. It can effectively monitor the operating status of Zinc oxide lightning arrester.

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