An Early Fault of CVT Detected by Measuring its Secondary Voltage

FU Wei-ping; LU Feng-chao; HUO Chun-yan

doi:10.14044/j.1674-1757.pcrpc.2012.02.013

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An Early Fault of CVT Detected by Measuring its Secondary Voltage

更新时间：2024-09-14

- An Early Fault of CVT Detected by Measuring its Secondary Voltage
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 33, Issue 2, Pages: 54-57(2012)
- 作者机构：
  
  河北省电力公司超高压输变电分公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2012.02.013
  CLC： TM451
- Published：2012，
- 稿件说明：
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[1]付伟平,卢锋超,霍春燕.通过二次电压测试发现CVT故障一例[J].电力电容器与无功补偿,2012,33(02):54-57.

FU WEI-PING, LU FENG-CHAO, HUO CHUN-YAN. An Early Fault of CVT Detected by Measuring its Secondary Voltage. [J]. Power capacitor & reactive power compensation, 2012, 33(2): 54-57.
[1]付伟平,卢锋超,霍春燕.通过二次电压测试发现CVT故障一例[J].电力电容器与无功补偿,2012,33(02):54-57. DOI： 10.14044/j.1674-1757.pcrpc.2012.02.013.

FU WEI-PING, LU FENG-CHAO, HUO CHUN-YAN. An Early Fault of CVT Detected by Measuring its Secondary Voltage. [J]. Power capacitor & reactive power compensation, 2012, 33(2): 54-57. DOI： 10.14044/j.1674-1757.pcrpc.2012.02.013.

摘要

对一起500 kV电容式电压互感器（CVT）运行中二次电压值异常的故障做了简要分析。介绍了CVT故障发现和分析的全过程。通过二次电压的变化及停电试验结果对缺陷进行了分析

经过对故障CVT解体验证了分析的正确性。同时

对运行CVT的状态监测提出了具体措施。

Abstract

This paper provides a brief analysis of a fault of secondary voltage abnormality in a 500 kV capacitor voltage transformer

introduces the whole process of CVT fault detection and its analysis.Based on secondary voltage abnormality and test results afterward

the defect has been analyzed;after CVT disassembled

the analysis correctness had been verified.At the same time

specific measures for monitoring CVT operating status have been proposed.

关键词

电容式电压互感器（CVT）击穿电压异常故障

Keywords

capacitor voltage transformer（CVT）breakdownvoltage abnormalityfault

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Related Author

LIU Sheng-jun1

HUO Chun-yan2

YANG Yu-xia1

WANG Xu

WANG Wei

GUO Mokai

YANG Shibo

LU Fengchao

Related Institution

Baoding Power Supply Company

Hebei Extra High Voltage Branch

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