Multi-point grounding fault of a transformer core by on-line monitoring of dissolved gas and power failure diagnosis

SHEN Linqi; SHEN Xue; SUN Wei; XIE Xiaohui; DENG Wei

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Multi-point grounding fault of a transformer core by on-line monitoring of dissolved gas and power failure diagnosis

更新时间：2025-11-18

- Multi-point grounding fault of a transformer core by on-line monitoring of dissolved gas and power failure diagnosis
- Vol. 36, Issue 2, Pages: 83-85(2016)
- 作者机构：
  
  国网湖南省电力公司检修公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM407
- Published：2016
- 稿件说明：
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[1]沈琳渏,盛雪,孙威,谢小慧,邓维.在线监测及停电诊断变压器铁芯多点接地故障[J].湖南电力,2016,36(02):83-85.

SHEN Linqi, SHEN Xue, SUN Wei, et al. Multi-point grounding fault of a transformer core by on-line monitoring of dissolved gas and power failure diagnosis[J]. 2016, 36(2): 83-85.
[1]沈琳渏,盛雪,孙威,谢小慧,邓维.在线监测及停电诊断变压器铁芯多点接地故障[J].湖南电力,2016,36(02):83-85. DOI：

SHEN Linqi, SHEN Xue, SUN Wei, et al. Multi-point grounding fault of a transformer core by on-line monitoring of dissolved gas and power failure diagnosis[J]. 2016, 36(2): 83-85. DOI：

摘要

文章通过油中溶解气体在线监测装置跟踪检测变压器油中气体发展过程

并与实验室离线检测数据对比分析

同时结合停电综合诊断

及时发现了变压器铁芯多点接地故障。准确获取了设备健康状况

避免了故障的进一步扩大和事故的发生。

Abstract

The development process of the gas in the transformer oil is tracked by the insulating oil on-line monitoring device.Compared with the laboratory offline data

and combined with comprehensive diagnosis and timely outage

a transformer core multi-point earthing faults is found

and the equipment health status is acquired. Accurately

the occurrence of further expansion faults and accidents are avoided.

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