Analysis of Metal Bushing Ground Wires Overheating for 110 kV Cables

HE Ziqi; CHEN Jie; LIAO Min; FANG Yuhui; CHEN Qinghua

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Analysis of Metal Bushing Ground Wires Overheating for 110 kV Cables

更新时间：2025-11-18

- Analysis of Metal Bushing Ground Wires Overheating for 110 kV Cables
- Vol. 39, Issue 1, Pages: 40-42+46(2019)
- 作者机构：
  
  国网长沙供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2019
- 稿件说明：
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[1]贺子琦,陈杰,廖敏,方宇晖,陈庆华.110kV电缆金属护套接地引线过温分析[J].湖南电力,2019,39(01):40-42+46.

HE Ziqi, CHEN Jie, LIAO Min, et al. Analysis of Metal Bushing Ground Wires Overheating for 110 kV Cables[J]. 2019, 39(1): 40-42+46.
[1]贺子琦,陈杰,廖敏,方宇晖,陈庆华.110kV电缆金属护套接地引线过温分析[J].湖南电力,2019,39(01):40-42+46. DOI：

HE Ziqi, CHEN Jie, LIAO Min, et al. Analysis of Metal Bushing Ground Wires Overheating for 110 kV Cables[J]. 2019, 39(1): 40-42+46. DOI：

摘要

本文对一例110 kV电缆跳闸事故进行分析

总结了电缆跳闸故障是因交叉互联接地接线方式错误及接地线连接部位老化导致。根据故障现场检测数据

总结该类型故障规律

提出了切实可行的反事故措施

通过该措施可及时发现电缆线路交叉互联接地系统中接地电流异常问题。

Abstract

In view of an 110 kV cable accident

the paper points out that the reason is the fault of cross connection grounding wiring and the aging of the grounding wire the cable accident.Based on the data of the accident

the fault scene detection data and practical anti-accident measures are summarized. The measures reduce the difficulty of finding abnormal grounding current in cross connected grounding system. According to the problems exposed in the accident

some recommendations for the operation of high voltage cables are suggested for references.

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State Grid Changsha Power Supply Company

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