Diagnostic Analysis on Abnormal Infrared of One 110 kV CVT

XING Likun; LI Guowei; WANG Junbo; QIU Taihong

doi:10.14044/j.1674-1757.pcrpc.2015.01.016

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Diagnostic Analysis on Abnormal Infrared of One 110 kV CVT

更新时间：2024-09-14

- Diagnostic Analysis on Abnormal Infrared of One 110 kV CVT
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 1, Pages: 68-72(2015)
- 作者机构：
  
  广东电网公司佛山供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.01.016
  CLC： TM451
- Published：2015，
- 稿件说明：
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[1]邢立坤,李国伟,王俊波,邱太洪.一起110kV CVT红外异常的诊断分析[J].电力电容器与无功补偿,2015,36(01):68-72.

XING LIKUN, LI GUOWEI, WANG JUNBO, et al. Diagnostic Analysis on Abnormal Infrared of One 110 kV CVT. [J]. Power capacitor & reactive power compensation, 2015, 36(1): 68-72.
[1]邢立坤,李国伟,王俊波,邱太洪.一起110kV CVT红外异常的诊断分析[J].电力电容器与无功补偿,2015,36(01):68-72. DOI： 10.14044/j.1674-1757.pcrpc.2015.01.016.

XING LIKUN, LI GUOWEI, WANG JUNBO, et al. Diagnostic Analysis on Abnormal Infrared of One 110 kV CVT. [J]. Power capacitor & reactive power compensation, 2015, 36(1): 68-72. DOI： 10.14044/j.1674-1757.pcrpc.2015.01.016.

摘要

针对一起110 kV电容式电压互感器（CVT）电磁单元盖板发热异常故障

结合CVT二次电压变化情况

通过对其进行绝缘电阻测试、介损及电容测试、局部放电等试验分析诊断故障原因

并解体验证诊断结果的准确性

为CVT故障诊断和运行维护提供了科学依据

并对CVT的运行维护提出建议。

Abstract

As for abnormal heat fault of the electromagnetic unit cover for 110 k V capacitor voltage transformer（CVT）

the reason of such fault is analyzed and diagnosed based on the secondary voltage variation of the CVT

on the test of insulation resistance

dielectric loss and capacitance as well as partial discharge etc

the correctness of the diagnosis result is verified through disassembly

which provides scientific reference to the fault diagnosis

operation and maintenance of the CVT as well as suggestions on operation and maintenance of the CVT.

关键词

电容式电压互感器（CVT）红外测温发热故障故障诊断

Keywords

capacitor voltage transformer（CVT）infrared thermometerheat faultfault diagnosis

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Related Institution

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