A Detection Method of Surface Pollution of GIS Basin Insulator Using Modal Analysis

doi:10.7652/xjtuxb202102012

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A Detection Method of Surface Pollution of GIS Basin Insulator Using Modal Analysis

更新时间：2025-07-09

- A Detection Method of Surface Pollution of GIS Basin Insulator Using Modal Analysis
- Vol. 55, Issue 2, Pages: 100-111(2021)
- 作者机构：
  
  西安交通大学电气工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202102012
  CLC： TM84
- Online First：10 February 2021，
  
  Published：2021
- 稿件说明：
移动端阅览
A Detection Method of Surface Pollution of GIS Basin Insulator Using Modal Analysis[J]. 2021, 55(2): 100-111.
DOI：

A Detection Method of Surface Pollution of GIS Basin Insulator Using Modal Analysis[J]. 2021, 55(2): 100-111. DOI： 10.7652/xjtuxb202102012.

摘要

为探究气体绝缘金属封闭开关设备(GIS)盆式绝缘子振动模态与表面污秽状况之间的关联关系

采用模态分析方法对盆式绝缘子表面污秽状况进行了检测分析。通过三维有限元软件进行了数值仿真

研究了污秽质量、面积、位置、材料特性对盆式绝缘子模态特性的影响

并在220 kV GIS模型上进行盆式绝缘子的模态试验

对其表面污秽状况检测技术进行了相关研究。研究结果表明:污秽质量是影响盆式绝缘子模态特性的关键因素

污秽面积、位置、材料特性对其模态特性的影响较小; 当盆式绝缘子表面污秽质量增加时

Abstract

To explore the relationship between the vibration mode of a gas insulated switchgear(GIS)basin insulator and the surface contamination

this study detects and analyzes the surface contamination of basin insulators based on the modal analysis method. The effects of pollution mass

area

location and material on the modal characteristics of basin insulators are simulated

and the modal test of basin insulators is carried out on the 220 kV GIS model

and related research on the surface contamination detection technology is carried out. The research results show that the pollution mass is the key factor that affects the modal characteristics of the basin insulator

and the pollution area

location and material have little effect on the modal characteristics. When the pollution mass on the surface of the pot insulator increases

the correlation coefficient will decrease significantly

the pollution accumulation value in the 2 000-3 000 Hz vibration signal will increase significantly

and the pollution index in the signal frequency band 2 000-4 000 Hz will increase obviously. This research may provide a method that can be implemented on-site for the live detection of surface contamination of GIS basin insulators.

关键词

Keywords

references

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