Analysis and Treatment of Abnormal Partial Discharge in a UHV GIS Insulated Support Tube

LIU Yongfei; ZHAO Ke; YANG Jinggang; JIA Yongyong; MA Yong; SHI Jinglei

doi:10.13296/j.1001-1609.hva.2020.07.037

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Analysis and Treatment of Abnormal Partial Discharge in a UHV GIS Insulated Support Tube

更新时间：2025-04-26

- Analysis and Treatment of Abnormal Partial Discharge in a UHV GIS Insulated Support Tube
- High VoltageApparatus Vol. 56, Issue 7, Pages: 246-252(2020)
- 作者机构：
  
  国网江苏省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.07.037
  CLC： TM855
- Published：2020
- 稿件说明：
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[1]刘咏飞,赵科,杨景刚,贾勇勇,马勇,施景垒.一起特高压GIS设备绝缘支撑筒局部放电异常分析与处理[J].高压电器,2020,56(07):246-252.

LIU Yongfei, ZHAO Ke, YANG Jinggang, et al. Analysis and Treatment of Abnormal Partial Discharge in a UHV GIS Insulated Support Tube[J]. High voltageapparatus, 2020, 56(7): 246-252.
[1]刘咏飞,赵科,杨景刚,贾勇勇,马勇,施景垒.一起特高压GIS设备绝缘支撑筒局部放电异常分析与处理[J].高压电器,2020,56(07):246-252. DOI： 10.13296/j.1001-1609.hva.2020.07.037.

LIU Yongfei, ZHAO Ke, YANG Jinggang, et al. Analysis and Treatment of Abnormal Partial Discharge in a UHV GIS Insulated Support Tube[J]. High voltageapparatus, 2020, 56(7): 246-252. DOI： 10.13296/j.1001-1609.hva.2020.07.037.

摘要

文中针对一起特高压气体绝缘金属封闭开关（GIS）设备的局放异常缺陷进行了由大到小、由外及内的逐步排查与分析

指出绝缘支撑筒内部气隙是本次GIS设备局放异常的根本原因。为了避免同类缺陷的再次发生

结合本次局放异常案例分析

对GIS设备绝缘件生产、质检和现场运维环节的注意事项、预防及处理措施提出建议。

Abstract

An abnormal partial discharge in a UHV GIS was presented in this paper. It was found by outside-in inspection and analysis that an air gap defect of the insulated support tube results in the abnormal phenomenon. The prevention and treatment measures during different processes of GIS were discussed with case analysis

such as the production

quality inspection and operating maintenance processes. Some suggestions were then proposed in order to avoid the recurrences of similar defects.

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