Fault Diagnosis and Treatment on a Fault of 110kV Capacitive Voltage Transformer

YANG Xin-chun; LI Hua; YANG Hong-quan; YANG Fan; ZHU Hu

doi:10.14044/j.1674-1757.pcrpc.2010.06.012

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Fault Diagnosis and Treatment on a Fault of 110kV Capacitive Voltage Transformer

更新时间：2024-09-14

- Fault Diagnosis and Treatment on a Fault of 110kV Capacitive Voltage Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 31, Issue 6, Pages: 57-60(2010)
- 作者机构：
  
  成都电业局修试所
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2010.06.012
  CLC： TM451.2
- Published：2010，
- 稿件说明：
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[1]杨新春,李化,杨红权,杨帆,朱虎.一起110kV电容式电压互感器故障诊断与处理[J].电力电容器与无功补偿,2010,31(06):57-60.

YANG XIN-CHUN, LI HUA, YANG HONG-QUAN, et al. Fault Diagnosis and Treatment on a Fault of 110kV Capacitive Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2010, 31(6): 57-60.
[1]杨新春,李化,杨红权,杨帆,朱虎.一起110kV电容式电压互感器故障诊断与处理[J].电力电容器与无功补偿,2010,31(06):57-60. DOI： 10.14044/j.1674-1757.pcrpc.2010.06.012.

YANG XIN-CHUN, LI HUA, YANG HONG-QUAN, et al. Fault Diagnosis and Treatment on a Fault of 110kV Capacitive Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2010, 31(6): 57-60. DOI： 10.14044/j.1674-1757.pcrpc.2010.06.012.

摘要

介绍了1例电容式电压互感器例行试验中数据的异常情况

通过对电容分压器的介质损耗因素、电容量试验数据进行纵横比分析

确定了故障的存在

并用自激法试验找出了故障部位

经解体验证并处理了故障

最后分析了故障原因并提出了预防此类故障的建议。

Abstract

The data anomaly in a routine test of capacitive voltage transformer is introduced.The fault existence is determined through aspect ratio analysis on test data

dielectric loss factor and capacitance of the capacitive voltage divider.The fault location is found through use self-xcitation method

the fault is verified and treated after disassembly

finally

the cause is analyzed and the suggestion to prevent such fault is proposed.

关键词

介质损耗因数例行试验电容式电压互感器（CVT）故障分析纵横比分析

Keywords

dielectric loss factorroutine testcapacitor voltage transformer（CVT）fault analysisaspect ratio analysis

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