Analysis of Discharge Fault in 35kV Dry-type Air-Core Reactor

ZHANG Ning; LI Hongwei

doi:10.14044/j.1674-1757.pcrpc.2014.03.019

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Analysis of Discharge Fault in 35kV Dry-type Air-Core Reactor

更新时间：2024-09-14

- Analysis of Discharge Fault in 35kV Dry-type Air-Core Reactor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 35, Issue 3, Pages: 88-91(2014)
- 作者机构：
  
  国网河北省电力公司检修分公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2014.03.019
  CLC： TM47
- Published：2014，
- 稿件说明：
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[1]张宁,李洪伟.一起35kV干式空心电抗器放电故障分析[J].电力电容器与无功补偿,2014,35(03):88-91.

ZHANG NING, LI HONGWEI. Analysis of Discharge Fault in 35kV Dry-type Air-Core Reactor. [J]. Power capacitor & reactive power compensation, 2014, 35(3): 88-91.
[1]张宁,李洪伟.一起35kV干式空心电抗器放电故障分析[J].电力电容器与无功补偿,2014,35(03):88-91. DOI： 10.14044/j.1674-1757.pcrpc.2014.03.019.

ZHANG NING, LI HONGWEI. Analysis of Discharge Fault in 35kV Dry-type Air-Core Reactor. [J]. Power capacitor & reactive power compensation, 2014, 35(3): 88-91. DOI： 10.14044/j.1674-1757.pcrpc.2014.03.019.

摘要

本文介绍了一起500 kV变电站35 kV干式空心电抗器在运行当中发生放电烧损的故障情况

通过现场检查、试验

结合故障电抗器的解体检查结果

对故障原因进行了深入分析

发现故障的主要原因是由于在强磁场下涡流产生温升

破坏了电抗器本身绝缘

本文对防止同类故障的发生具有一定的借鉴意义。

Abstract

In this paper

a fault of burn-out of 35 kV dry-type air-core reactor due to discharge in the operation at 500 kV substation is introduced. The reason of the fault is analyzed through site inspection

test and disassembly inspection result of the faulty reactor. It is caused by high temperature rise caused by eddy current at strong magnetic field resulting to insulation damage of the reactor itself. The analysis result has a definite reference to similar fault to be prevented.

关键词

干式空心电抗器放电无线测温

Keywords

dry-type air-core reactordischargewireless temperature measurement

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Related Author

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ZHANG Wenming

DONG Quan

HU Runge

WU Xibo

ZHAI Yujia

DAI Yunxiang

LIU Hao

Related Institution

State Grid Henan Electrical Power Corporation Maintenance Company

Institute of Electrical Engineering, Chinese Academy of Sciences

School of Electrical and Information Engineering, Hunan University

China Electric Power Research Institute Co., Ltd.

Substation Intelligent Operation and Inspection Laboratory of State Grid Hunan Electric Power Co., Ltd.

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