Testing Analysis of Capacitance and Dielectric Loss for 750 kV CVT

CHEN A-di1; WANG Ya-fang2; LIU Chun-ling1

doi:10.14044/j.1674-1757.pcrpc.2012.04.010

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Testing Analysis of Capacitance and Dielectric Loss for 750 kV CVT

更新时间：2024-09-14

- Testing Analysis of Capacitance and Dielectric Loss for 750 kV CVT
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 33, Issue 4, Pages: 46-51(2012)
- 作者机构：
  
  1. 宁夏电力公司超高压分公司
  2. 宁夏电力公司吴忠供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2012.04.010
  CLC： TM451.2
- Published：2012，
- 稿件说明：
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[1]陈阿娣,王亚芳,刘春玲.750kV CVT电容量及介质损耗角正切值测量试验分析[J].电力电容器与无功补偿,2012,33(04):46-51.

CHEN A-DI1, WANG YA-FANG2, LIU CHUN-LING1. Testing Analysis of Capacitance and Dielectric Loss for 750 kV CVT. [J]. Power capacitor & reactive power compensation, 2012, 33(4): 46-51.
[1]陈阿娣,王亚芳,刘春玲.750kV CVT电容量及介质损耗角正切值测量试验分析[J].电力电容器与无功补偿,2012,33(04):46-51. DOI： 10.14044/j.1674-1757.pcrpc.2012.04.010.

CHEN A-DI1, WANG YA-FANG2, LIU CHUN-LING1. Testing Analysis of Capacitance and Dielectric Loss for 750 kV CVT. [J]. Power capacitor & reactive power compensation, 2012, 33(4): 46-51. DOI： 10.14044/j.1674-1757.pcrpc.2012.04.010.

摘要

通过介绍750 kV电容式电压互感器（CVT）的原理及基本结构

对电容量和介质损耗角正切值测量方法以及误差影响因素进行了分析

并将现场测试结果与出厂试验值作了对比分析

得出该测量方法产生的误差很小

完全可以满足实际运行需要的结论

对于准确判断现场设备状态

提高高电压等级CVT参数测量精度和效率具有积极的指导意义。

Abstract

The measurement method and error influence factor for capacitance and dielectric loss angle tangent value are analyzed through introducing the principle and basic structure of 750 kV capacitor voltage transformer.It is concluded

throughout comparison and analysis between on-site test result and delivery test result

that the errors generated by such test method is small

which can fully meet the need of actual operation

have a positive guiding significance to determine accurately site equipment status and improve the measurement accuracy and efficiency of high voltage class CVT parameter.

关键词

750kV电容式电压互感器参数测量试验方法误差分析

Keywords

750 kV capacitor voltage transformer（CVT）parameter measurementtest methoderror analysis

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