Analysis of On-site Measurement Method of Dielectric Loss for Capacitor Voltage Transformer

LIN Yu-jin

doi:10.14044/j.1674-1757.pcrpc.2011.04.012

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Analysis of On-site Measurement Method of Dielectric Loss for Capacitor Voltage Transformer

更新时间：2024-09-14

- Analysis of On-site Measurement Method of Dielectric Loss for Capacitor Voltage Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 32, Issue 4, Pages: 53-56(2011)
- 作者机构：
  
  广东电网汕头潮阳供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2011.04.012
  CLC： TM451.2
- Published：2011，
- 稿件说明：
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[1]林育锦.电容式电压互感器介损现场测试方法浅析[J].电力电容器与无功补偿,2011,32(04):53-56.

LIN YU-JIN. Analysis of On-site Measurement Method of Dielectric Loss for Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2011, 32(4): 53-56.
[1]林育锦.电容式电压互感器介损现场测试方法浅析[J].电力电容器与无功补偿,2011,32(04):53-56. DOI： 10.14044/j.1674-1757.pcrpc.2011.04.012.

LIN YU-JIN. Analysis of On-site Measurement Method of Dielectric Loss for Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2011, 32(4): 53-56. DOI： 10.14044/j.1674-1757.pcrpc.2011.04.012.

摘要

随着我国电网规模的日益增大

电容式电压互感器（CVT）的工作可靠性对整个电力系统的安全运行具有非常重要的意义。为了保证CVT的安全运行

介质损失角正切值（介损）的测量是检测CVT绝缘状态中最重要的试验项目之一。针对现场试验的实际情况

对测量CVT介损的不同试验方法进行分析

并采用AI-6000（C）测试仪对CVT的介损进行测量验证

总结出用不同试验方法测量CVT介损的差别。根据试验数据和理论分析

得出利用"自激法"现场测量CVT介损切实可行

并对测量时的试验电压提出了建议。

Abstract

With the increasing growth of scale of electric network in China

operation reliability of capacitor voltage transformer（CVT） is very important for the safe operation of the whole electric system.For assuring safe operation of CVT

the measurement of dielectric loss is one of the most important tests for the insulation condition of CVT.In view of actual situation of test on-site

the various methods on measurement of dielectric loss of CVT are analyzed and then verified by AI-6000（C） tester and the differences among different methods of measuring the dielectric loss tangent of CVT are summarized.Based on test data and theoretical analysis

it is concluded that measurement of dielectric loss of CVT by the Self-excited method on-site is feasible

and also some suggestions about the test voltage for the test are proposed.

关键词

常规法自激法电容式电压互感器（CVT）介损

Keywords

conventional methodself-excited methodcapacitor voltage transformer（CVT）dielectric loss tangent

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