Simulation and Experimental Study on Partial Discharge Decomposition Components of Air-insulated Switchgear Cabinet Considering the Influence of Temperature and Humidity

GUI Yuan; JI Hongquan; XIN Feng; LIU Ruoxi; WANG Zhihui; LUO Zhongge

doi:10.13296/j.1001-1609.hva.2025.01.004

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Simulation and Experimental Study on Partial Discharge Decomposition Components of Air-insulated Switchgear Cabinet Considering the Influence of Temperature and Humidity

Research & Analysis | 更新时间：2025-04-26

- Simulation and Experimental Study on Partial Discharge Decomposition Components of Air-insulated Switchgear Cabinet Considering the Influence of Temperature and Humidity
- High Voltage Apparatus Vol. 61, Issue 1, Pages: 30-40(2025)
- 作者机构：
  
  1.国网北京市电力公司电力科学研究院，北京　 100075
  2.国网北京市电力公司，北京　 100032
  3.国网北京市电力公司城区供电公司，北京　 100034
- 作者简介：
- 基金信息：
  
  Science and Technology Project of State Grid Beijing Electric Power Company(52022322000M)
- DOI：10.13296/j.1001-1609.hva.2025.01.004
  CLC：
- Received：13 August 2024，
  
  Revised：23 October 2024，
  
  Published：16 January 2025
- 稿件说明：
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GUI Yuan, JI Hongquan, XIN Feng, et al. Simulation and Experimental Study on Partial Discharge Decomposition Components of Air-insulated Switchgear Cabinet Considering the Influence of Temperature and Humidity[J]. High voltage apparatus, 2025, 61(1): 30-40.
DOI：

GUI Yuan, JI Hongquan, XIN Feng, et al. Simulation and Experimental Study on Partial Discharge Decomposition Components of Air-insulated Switchgear Cabinet Considering the Influence of Temperature and Humidity[J]. High voltage apparatus, 2025, 61(1): 30-40. DOI： 10.13296/j.1001-1609.hva.2025.01.004.

摘要

为探究温度和湿度对空气局部放电时特征组分生成特性的影响，文中仿真计算了不同温度和湿度条件下空气分解反应中可能出现的组分以及生成规律，并搭建了温湿度可控的空气局部放电分解实验平台，研究了3种不同典型缺陷下空气局放分解特性随温湿度的变化规律。仿真和实验结果表明，空气局部放电生成的主要组分有NO

、O

和CO，3种组分的含量随温湿度条件的变化均存在明显的差异，不同类型缺陷下的局部放电分解组分受温湿度的影响不同。研究结果可为基于分解组分分析的局部放电缺陷检测提供参考。

Abstract

For exploring the influence of temperature and humidity on the generation characteristics of characteristic components in case of partial discharge in the air

the possible components and generation in the air decomposition reaction under different temperature and humidity conditions are simulated and calculated in this paper

and a temperature and humidity controllable air partial discharge decomposition experimental platform is set up. The variation of partial discharge decomposition characteristics of air with temperature and humidity under three different typical defects is studied. The simulation and experimental results show that the main components generated by partial discharge in the air are NO

and CO. The contents of the three components are obviously different with variation of temperature and humidity conditions. The influence of temperature and humidity on partial discharge decomposition components under different types of defects is different. The study results can provide reference for partial discharge defect detection based on decomposition component analysis.

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