Cause Analysis and Preventive Measures of Water Penetration of Cable Terminal in Switchgear

Shun ZHANG; Rui ZHAO

doi:10.13882/j.cnki.ncdqh.2503A070

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Cause Analysis and Preventive Measures of Water Penetration of Cable Terminal in Switchgear

Beijing Topic | 更新时间：2025-11-14

- Cause Analysis and Preventive Measures of Water Penetration of Cable Terminal in Switchgear
- Rural Electrification Issue 5, Pages: 1-3(2025)
- 作者机构：
  
  国网北京市电力公司检修分公司，北京丰台 100071
- 作者简介：
- 基金信息：
- DOI：10.13882/j.cnki.ncdqh.2503A070
  CLC： TM757;32400.14.ncdqh.2503A070
- Received：27 March 2025，
  
  Published：10 May 2025
- 稿件说明：
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Shun ZHANG, Rui ZHAO. Cause Analysis and Preventive Measures of Water Penetration of Cable Terminal in Switchgear[J]. Rural Electrification, 2025, (5): 1-3.
DOI：

Shun ZHANG, Rui ZHAO. Cause Analysis and Preventive Measures of Water Penetration of Cable Terminal in Switchgear[J]. Rural Electrification, 2025, (5): 1-3. DOI： 10.13882/j.cnki.ncdqh.2503A070.

摘要

地下变电站开关柜内电缆终端渗水是较为频繁发生的设备运行隐患之一，这对开关柜内设备绝缘影响甚大，必须着手加以解决。文章以北京某一地下变电站为例，分析了开关柜内电缆终端渗水的原因，包括电缆沟道积水、电缆外皮破损、开关柜内电缆终端密封不严等因素，提出了4个方面的防范措施，为解决类似问题提供借鉴参考。

Abstract

The water penetration of cable terminals in the switchgear of underground substations is one of the frequent hidden dangers in equipment operation

which has a significant impact on the insulation of the equipment inside the switchgear and must be addressed. This article takes an underground substation in Beijing as an example to analyze the causes of water penetration in the switchgear

including water in the cable trench

cable sheath damage

cable terminal sealing in the switchgear and other factors. This paper puts forward four preventive measures to provide reference for solving similar problems.

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references

火忆.交联聚乙烯绝缘电缆防水接头的应用与分析[J].电力与能源,2012(6):599-601.

王崇,郭培军,衡英明,等.一起因受潮引起的35 kV开关柜跳闸事件分析[J].电工技术,2024(12A):255-256.

潘岐泽,杨芳,杨志.12 kV高压开关柜受潮凝露机理及防治关键技术探讨[J].电力系统保护与控制,2019(5):160-172.

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王健敏,金辉.倒挂式电缆终端渗水的原因分析与防治方案[J].供用电,2011(4):72-75.

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