Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test

YANG Yang; XU Qiang; CHENG An-ming; TAN Wei; GUO Rui; ZHANG Zhi-yong

doi:10.14044/j.1674-1757.pcrpc.2011.06.017

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Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test

更新时间：2024-09-14

- Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 32, Issue 6, Pages: 77-79(2011)
- 作者机构：
  
  四川省电力公司超(特)高压运行检修公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2011.06.017
  CLC： TM561
- Published：2011，
- 稿件说明：
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[1]杨洋,许强,陈安明,覃伟,郭锐,张智勇.某500kV断路器均压电容器检修试验的安全事故分析[J].电力电容器与无功补偿,2011,32(06):77-79.

YANG YANG, XU QIANG, CHENG AN-MING, et al. Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test. [J]. Power capacitor & reactive power compensation, 2011, 32(6): 77-79.
[1]杨洋,许强,陈安明,覃伟,郭锐,张智勇.某500kV断路器均压电容器检修试验的安全事故分析[J].电力电容器与无功补偿,2011,32(06):77-79. DOI： 10.14044/j.1674-1757.pcrpc.2011.06.017.

YANG YANG, XU QIANG, CHENG AN-MING, et al. Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test. [J]. Power capacitor & reactive power compensation, 2011, 32(6): 77-79. DOI： 10.14044/j.1674-1757.pcrpc.2011.06.017.

摘要

介绍了一起500 kV断路断口间均压电容器的介损及电容量试验与一次检修联合作业过程中的安全事故

并且通过电气回路图及基于此电气回路图的微分方程对产生安全事故的原因进行了分析

提出对开关断口间均压电容器进行介损试验前必须进行周密的危险点预测和分析

以杜绝潜在的人身伤害。

Abstract

An accident in the dielectric loss factor and capacitance test across open contacts of 500 kV circuit breaker and in the maintenance is introduced.The causes of the fault are analyzed through electric circuit diagram and the differential equation based on the circuit diagram.It is pointed out that the danger point should be predicted before the dielectric loss factor test

on the grading capacitor which across the circuit breaker open contacts

to prevent potential personal injury.

关键词

断路器断口均压电容器介损危险点预测

Keywords

circuit breakeropen contactsgrading capacitordielectric loss factordanger point prediction

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Related Author

FU Xiang-bo

ZHANG Zhi-yong

XU Qiang

QIN Wei

GUO Rui

HUANG Wen-long

YANG Yang

CHANG Ningning

Related Institution

Chengdu Center of Sichuan Electric Power Corporation Extra

Xinjiang Electric Power Scientific Research Institute

Liaoning Electric Power Development Co.,Ltd.

Foshan Power Supply Company,Guangdong Power Grid Company

Tongling Power Supply Company,SGCC Anhui Electric Power Company

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