Diagnostic analysis of internal partial discharge fault for an oil-immersed current transformer

HUANG Hai-bo; DUAN Jian-jia; LIU Wei-guo; LIU Xin-wen

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Diagnostic analysis of internal partial discharge fault for an oil-immersed current transformer

更新时间：2025-11-18

- Diagnostic analysis of internal partial discharge fault for an oil-immersed current transformer
- Vol. 35, Issue 2, Pages: 35-36+40(2015)
- 作者机构：
  
  国网湖南省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM452
- Published：2015
- 稿件说明：
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[1]黄海波,段建家,刘味果,刘兴文.油浸式电流互感器内部局部放电故障的诊断分析[J].湖南电力,2015,35(02):35-36+40.

HUANG Hai-bo, DUAN Jian-jia, LIU Wei-guo, et al. Diagnostic analysis of internal partial discharge fault for an oil-immersed current transformer[J]. 2015, 35(2): 35-36+40.
[1]黄海波,段建家,刘味果,刘兴文.油浸式电流互感器内部局部放电故障的诊断分析[J].湖南电力,2015,35(02):35-36+40. DOI：

HUANG Hai-bo, DUAN Jian-jia, LIU Wei-guo, et al. Diagnostic analysis of internal partial discharge fault for an oil-immersed current transformer[J]. 2015, 35(2): 35-36+40. DOI：

摘要

介绍了一起油浸式电流互感器由于内部绝缘故障导致运行中油色谱分析不合格

通过油色谱跟踪分析、红外热像检测、高压介损、局部放电测量等有效技术手段

准确推断出故障的真实原因

并经解体检查发现了互感器内部存在局部放电故障。

Abstract

This article describes the fault of an oil-immersed current transformer due to internal insulation failure which cause oil chromatographic analysis failed. Through the effective technology methods including oil chromatographic tracking analysis

infrared thermography

high-voltage dielectric loss

partial discharge measurements

the exact causes of the failure are diagnosed. The internal partial discharge faults of transformer are found by strip inspection.

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Related Institution

Hunan Electric Power Construction Supervision & Consultancy CO.,LTD,Chansha

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