Analysis of the field AC voltage withstand testing methods for GIS electromagnetic voltage transformers

ZHANG Jianguo; MA Qing; ZHU Lin; HE Jianjian; LIU Yao; MA Feiyue

doi:10.3969/j.issn.1672-3643.2024.06.008

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Analysis of the field AC voltage withstand testing methods for GIS electromagnetic voltage transformers

更新时间：2026-06-20

- Analysis of the field AC voltage withstand testing methods for GIS electromagnetic voltage transformers
- Ningxia Electric Power Issue 6, (2024)
- 作者机构：
  
  1. 国网宁夏电力有限公司电力科学研究院,宁夏,银川,750011
  2. 宁夏电力能源科技有限公司,宁夏,银川,750011
  3. 国网宁夏电力有限公司,宁夏,银川,750001
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1672-3643.2024.06.008
  CLC：
- Online First：11 December 2024，
  
  Published：2024
- 稿件说明：
移动端阅览
ZHANG Jianguo, MA Qing, ZHU Lin, et al. Analysis of the field AC voltage withstand testing methods for GIS electromagnetic voltage transformers[J]. Ningxia Electric Power, 2024, (6).
DOI：

ZHANG Jianguo, MA Qing, ZHU Lin, et al. Analysis of the field AC voltage withstand testing methods for GIS electromagnetic voltage transformers[J]. Ningxia Electric Power, 2024, (6). DOI： 10.3969/j.issn.1672-3643.2024.06.008.

摘要

气体绝缘金属封闭开关（gasinsulated switchgear，GIS）电磁式电压互感器作为气体绝缘金属封闭开关设备的核心部件，在电力系统中发挥着电压测量、保护计量等功能。现场交流耐压试验作为考验设备内部绝缘的最主要手段，可以有效检测GIS电磁式电压互感器的绝缘性能，避免设备因安装、运输等过程引入的绝缘缺陷。由于电磁式电压互感器本身布置型式及磁饱和的特殊性，受试验条件限制现场交流耐压试验往往无法按额定绝缘水平进行考核。本文从设备结构及布置型式出发，分析GIS电磁式电压互感器连同主回路进行交流耐压试验的可行性，提出现场交流耐压试验方法，并在363 kV GIS电磁式电压互感器交流耐压试验场景实际应用，验证了方法的有效性，为规范GIS设备电磁式电压互感器现场交流耐压试验提供依据。

Abstract

As a core component of gas-insulated metal-enclosed switchgear

GIS electromagnetic voltage transformers play roles in voltage measurement

protection

and metering within power systems.Field AC voltage withstand testing is the primary method for assessing the internal insulation of equipment

effectively detecting the insulation performance of GIS electromagnetic voltage transformers and preventing insulation defects introduced during installation and transportation.Due to the unique layout and magnetic saturation characteristics of electromagnetic voltage transformers

field AC voltage withstand testing often cannot be conducted at the rated insulation level due to testing condition limitations.This paper analyzes the feasibility of conducting AC voltage withstand tests for GIS electromagnetic voltage transformers along with the main circuit

based on the equipment structure and layout.It proposes a field AC voltage withstand testing method

and the method's effectiveness is validated through practical application in AC voltage withstand testing scenarios for 363 kV GIS electromagnetic voltage transformers

providing a basis for standardizing field AC voltage withstand tests for GIS equipment.

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