Analysis of Cause of High Dielectric Loss Under 10 kV Stress of Grading Capacitor Across Open Contacts of Circuit Breaker

SUN Lipeng; LIU Yun; LI Gang; LU Jie

doi:10.14044/j.1674-1757.pcrpc.2021.04.023

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Analysis of Cause of High Dielectric Loss Under 10 kV Stress of Grading Capacitor Across Open Contacts of Circuit Breaker

更新时间：2024-09-14

- Analysis of Cause of High Dielectric Loss Under 10 kV Stress of Grading Capacitor Across Open Contacts of Circuit Breaker
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 42, Issue 4, Pages: 165-169(2021)
- 作者机构：
  
  1. 国网湖南省电力有限公司电力科学研究院
  2. 国网湖南省电力有限公司岳阳供电分公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2021.04.023
  CLC： TM561
- Published：2021，
- 稿件说明：
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SUN LIPENG, LIU YUN, LI GANG, et al. Analysis of Cause of High Dielectric Loss Under 10 kV Stress of Grading Capacitor Across Open Contacts of Circuit Breaker. [J]. Power capacitor & reactive power compensation, 2021, 42(4): 165-169.
DOI：

SUN LIPENG, LIU YUN, LI GANG, et al. Analysis of Cause of High Dielectric Loss Under 10 kV Stress of Grading Capacitor Across Open Contacts of Circuit Breaker. [J]. Power capacitor & reactive power compensation, 2021, 42(4): 165-169. DOI： 10.14044/j.1674-1757.pcrpc.2021.04.023.

摘要

本文针对国内某工程交接试验中大量10 kV下介损超标的断路器断口均压电容器

开展了高压介损、局部放电、密封性试验、油色谱分析等试验

发现电容量与试验电压、介损值的减小值和电容量的减小值、金属颗粒含量与10 k V下介损值有一定的关系

对其原因进行了综合分析

可为后续的相关研究提供参考。

Abstract

In view of grading capacitor with a large number of excessive 10 kV dielectric loss in a certain handover test in China in this paper

the test such as high-voltage dielectric loss

partial discharge

tightness and oil chromatogram analysis are performed.If is found that capacitance and the test voltage

reduction of dielectric loss and capacitance

contents of metal particle have a definite relationship with10 k V dielectric loss value.The causes are comprehensively analyzed

which can provide reference for the subsequent related study.

关键词

电容器介质损耗断路器Garton效应

Keywords

capacitordielectric losscircuit breakerGarton effect

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