On-line Detection and Analysis of Partial-discharge FAULT for 220 kV Current Transformer

GE Meng; LI Peng; TAO An-pei; YU Quan-fu

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On-line Detection and Analysis of Partial-discharge FAULT for 220 kV Current Transformer

更新时间：2025-04-26

- On-line Detection and Analysis of Partial-discharge FAULT for 220 kV Current Transformer
- High VoltageApparatus Vol. 45, Issue 6, Pages: 153-155+160(2009)
- 作者机构：
  
  吉林供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM452
- Published：2009
- 稿件说明：
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[1]葛猛,李鹏,陶安培,于全福.220 kV电流互感器局部放电缺陷不停电检测与分析[J].高压电器,2009,45(06):153-155+160.

GE Meng, LI Peng, TAO An-pei, et al. On-line Detection and Analysis of Partial-discharge FAULT for 220 kV Current Transformer[J]. High voltageapparatus, 2009, 45(6): 153-155+160.
[1]葛猛,李鹏,陶安培,于全福.220 kV电流互感器局部放电缺陷不停电检测与分析[J].高压电器,2009,45(06):153-155+160. DOI：

GE Meng, LI Peng, TAO An-pei, et al. On-line Detection and Analysis of Partial-discharge FAULT for 220 kV Current Transformer[J]. High voltageapparatus, 2009, 45(6): 153-155+160. DOI：

摘要

介绍了一例220 kV电流互感器电容屏间局部放电故障处理过程

采用红外成像技术与油色谱分析技术结合对故障的成因进行分析:绝缘材质不良、干燥时间不达标、干燥窑使用超容量、绝缘包裹工艺不良

出现较多局部褶皱等。成功避免了一起威胁220 kV设备事故的发生

阐述了不停电检测技术对电力系统运行安全的重要性。

Abstract

The detection and process of a 220 kV current transformer partial-discharge fault between capacitor shields are described.The causes of the fault were analyzed with infrared imaging technology and oil chromatographic analysis.The result indicated that this partial-discharge fault is due to unqualified insulation material

shorter drying time

and poor insulator packing technique

etc.Therefore

an accident of the 220 kV current transformer was avoided.In addition

the importance of on-line detection technology on power system security is discussed.

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