Study on Temperature Rise Characteristics and State Assessment of 10 kV Gapless Zinc Oxide Arrester in Distribution Network

HUANG Weixiang; CHEN Qianyi; ZHANG Wei; HU Gang; LIN Xiuqing; HUANG Zhidu; ZHANG Longfei

doi:10.13296/j.1001-1609.hva.2026.03.014

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Study on Temperature Rise Characteristics and State Assessment of 10 kV Gapless Zinc Oxide Arrester in Distribution Network

Research & Analysis | 更新时间：2026-03-11

- Study on Temperature Rise Characteristics and State Assessment of 10 kV Gapless Zinc Oxide Arrester in Distribution Network
- High Voltage Apparatus Vol. 62, Issue 3, Pages: 115-120(2026)
- 作者机构：
  
  广西电网有限责任公司电力科学研究院，南宁 530023
  广西电网设备监测及诊断工程技术研究中心，南宁 530023
  广西电网有限责任公司百色供电局，广西百色 533000
  广西电网有限责任公司计量中心，南宁 530025
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.03.014
  CLC：
- Received：16 July 2025，
  
  Revised：2025-09-20，
  
  Published：16 March 2026
- 稿件说明：
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HUANG Weixiang, CHEN Qianyi, ZHANG Wei, et al. Study on Temperature Rise Characteristics and State Assessment of 10 kV Gapless Zinc Oxide Arrester in Distribution Network[J]. High Voltage Apparatus, 2026, 62(3): 115-120.
DOI：

HUANG Weixiang, CHEN Qianyi, ZHANG Wei, et al. Study on Temperature Rise Characteristics and State Assessment of 10 kV Gapless Zinc Oxide Arrester in Distribution Network[J]. High Voltage Apparatus, 2026, 62(3): 115-120. DOI： 10.13296/j.1001-1609.hva.2026.03.014.

摘要

金属氧化物避雷器是配电网中重要的组成元件，对其进行带电检测，以诊断其可能存在的缺陷，对保证电力系统的安全稳定运行有重要意义。目前红外测温技术是避雷器带电检测的主流方法之一，而掌握避雷器的温升特性是该技术的基础。鉴于此，文中研究了配网无间隙氧化锌避雷器的温升特性。文中分别选取不同老化、受潮程度的样品进行了对比试验，探究不同老化程度以及不同阻性电流下氧化锌避雷器的温升情况。试验发现避雷器承受的电压越高，阻性电流越大，温度上升越快。避雷器温升和阻性电流呈现良好的二次函数拟合关系。试验结果和拟合曲线均得出：避雷器样品阻性电流为50 μA时，温差为1～2 K；阻性电流为70 μA时，温差为3～6 K左右；阻性电流为100 μA时，温差在7K以上，从而证明了试验的准确性。文中的研究将有助于为10 kV无间隙氧化锌避雷器的带电检测提供参考。

Abstract

Metal oxide arrestersarecritical components in power distribution network. Conducting live detection on the arresters to diagnose their potential defects is of great significance for ensuring the safe and stable operation of power system. At present

the infrared temperature measurement technology is one of the mainstream methods forlive detection of lightning arresters

and mastering the temperature rise characteristics of the arresters is the basis of this technology. In view of this

in this paper the temperature rise characteristics of gapless zinc oxide arresters in distribution network is studied. In this papersamples with different extent of aging and dampness are selected for comparative tests to explore the temperature rise of zinc oxide arresters under different ging extent and different resistance current. It is found by test that the higher the voltage withstood by the arresters

the greater the resistive current and the faster the temperature rise. The temperature rise and resistive current of the arresters show a good quadratic function fitting relationship. The experimental results and fitting curves show that the temperature difference is 1-2 K when the resistive current of arrester sample is 50 μA. In case of the resistive current at 70 μA

the temperature difference is about 3-6 K. When the resistive current is 100 μA

the temperature difference is more than 7 K

which thereby proving the accuracy of the test. The research in this paper will be helpful to provide reference for the live detection of 10 kV gapless zinc oxide arresters.

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