Live Monitoring Methods on Capacitor Voltage Transformers

LI Shun-yao; CHEN Shi-chang; LIU Qin-feng; GUAN Xu-hua

doi:10.14044/j.1674-1757.pcrpc.2012.06.011

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Live Monitoring Methods on Capacitor Voltage Transformers

更新时间：2024-09-14

- Live Monitoring Methods on Capacitor Voltage Transformers
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 33, Issue 6, Pages: 47-52(2012)
- 作者机构：
  
  广东电网公司东莞供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2012.06.011
  CLC： TM451.2
- Published：2012，
- 稿件说明：
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[1]李顺尧,陈世昌,刘勤锋,关旭华.电容式电压互感器带电监测方法[J].电力电容器与无功补偿,2012,33(06):47-52.

LI SHUN-YAO, CHEN SHI-CHANG, LIU QIN-FENG, et al. Live Monitoring Methods on Capacitor Voltage Transformers. [J]. Power capacitor & reactive power compensation, 2012, 33(6): 47-52.
[1]李顺尧,陈世昌,刘勤锋,关旭华.电容式电压互感器带电监测方法[J].电力电容器与无功补偿,2012,33(06):47-52. DOI： 10.14044/j.1674-1757.pcrpc.2012.06.011.

LI SHUN-YAO, CHEN SHI-CHANG, LIU QIN-FENG, et al. Live Monitoring Methods on Capacitor Voltage Transformers. [J]. Power capacitor & reactive power compensation, 2012, 33(6): 47-52. DOI： 10.14044/j.1674-1757.pcrpc.2012.06.011.

摘要

通过两起电容式电压互感器（CVT）红外测温实例和两起CVT二次电压降低原因分析实例

采用红外线测温和监测CVT二次电压的方法

得出CVT红外线测温和监测二次电压方法可有效发现CVT早期故障

实现对CVT绝缘性能和电气性能的带电监测

防止CVT事故扩大

可实现CVT不停电预试或延长预试周期。

Abstract

In this paper

through two infrared thermometry examples of capacitor voltage transformers（CVT） and cause analysis example of secondary voltage reduction of two CVTs

it is concluded that infrared temperature measurement and monitoring of secondary voltage of CVT can find effectively the fault of CVT at earlier stage

achieve live monitoring of insulation and electrical performance of CVT

prevent development of the fault and realize live precaution test or extend precaution test interval of CVT.

关键词

电容式电压互感器（CVT）故障分析实例带电监测方法

Keywords

capacitor voltage transformers（CVT）fault analysis examplelive monitoring method

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Failure Analysis and Treatment on Two Capacitor Voltage Transformers

Related Author

CHEN Wen-da1

CAO Xiao-long2

CAO Xiao-hu3

TIAN Yi-qing2

WU Dong-liang2

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