Additional Error Analysis of 500kV CVT Dielectric Loss testing in Non-Open Wire case

HE Sheng-hong

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Additional Error Analysis of 500kV CVT Dielectric Loss testing in Non-Open Wire case

更新时间：2024-09-14

- Additional Error Analysis of 500kV CVT Dielectric Loss testing in Non-Open Wire case
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 30, Issue 6, Pages: 42-44(2009)
- 作者机构：
  
  广东电网公司佛山供电局试验研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM934.3+2
- Published：2009，
- 稿件说明：
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[1]何胜红.不拆线测试500kV CVT介损的附加误差分析[J].电力电容器与无功补偿,2009,30(06):42-44.

HE SHENG-HONG. Additional Error Analysis of 500kV CVT Dielectric Loss testing in Non-Open Wire case. [J]. Power capacitor & reactive power compensation, 2009, 30(6): 42-44.
[1]何胜红.不拆线测试500kV CVT介损的附加误差分析[J].电力电容器与无功补偿,2009,30(06):42-44. DOI：

HE SHENG-HONG. Additional Error Analysis of 500kV CVT Dielectric Loss testing in Non-Open Wire case. [J]. Power capacitor & reactive power compensation, 2009, 30(6): 42-44. DOI：

摘要

通过对不拆线测试CVT介损的具体分析

得出由于线路接地刀闸接触不良而产生一附加电阻Rd

由于Rd的影响使测量结果偏大。建议在进行CVT介质损耗不拆线测试时

应检查接线是否接触良好

特别是线路接地刀闸接触是否良好

以免影响测量结果。

Abstract

In this paper

through specific analysis of CVT dielectric loss testing in non-open wire case

the cause of larger measurement results is obtained

because of the additional resistance Rd generated by the imperfect contact of line earthing switch.It is suggested that during dielectric loss measurement in CVT non-open wire case

the wiring shall be checked good or not

especially the contact of line earthing switch

so as not to affect the measurement results.

关键词

CVT不拆线试验接地刀闸介质损耗

Keywords

CVTNon-open wire testEarthing switchdielectric loss

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