Influence of Shunt Capacitors on Insulation Performance of High Voltage SF<sub>6</sub> Circuit Breaker

LIU Xiaoming; ZHAO Enchen; ZHAO Yunxue; YANG Hongxiao

doi:10.13296/j.1001-1609.hva.2014.03.019

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Influence of Shunt Capacitors on Insulation Performance of High Voltage SF₆ Circuit Breaker

更新时间：2025-04-26

- Influence of Shunt Capacitors on Insulation Performance of High Voltage SF₆ Circuit Breaker
- High VoltageApparatus Vol. 50, Issue 3, Pages: 104-108(2014)
- 作者机构：
  
  1. 沈阳工业大学电气工程学院
  2. 新东北电气(沈阳)高压开关有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.03.019
  CLC： TM561
- Published：2014
- 稿件说明：
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[1]刘晓明,赵恩辰,赵云学,杨洪啸.并联电容器组对高压SF_6断路器绝缘性能的影响[J].高压电器,2014,50(03):104-108.

LIU Xiaoming, ZHAO Enchen, ZHAO Yunxue, et al. Influence of Shunt Capacitors on Insulation Performance of High Voltage SF₆ Circuit Breaker[J]. High voltageapparatus, 2014, 50(3): 104-108.
[1]刘晓明,赵恩辰,赵云学,杨洪啸.并联电容器组对高压SF_6断路器绝缘性能的影响[J].高压电器,2014,50(03):104-108. DOI： 10.13296/j.1001-1609.hva.2014.03.019.

LIU Xiaoming, ZHAO Enchen, ZHAO Yunxue, et al. Influence of Shunt Capacitors on Insulation Performance of High Voltage SF₆ Circuit Breaker[J]. High voltageapparatus, 2014, 50(3): 104-108. DOI： 10.13296/j.1001-1609.hva.2014.03.019.

摘要

将区域分解技术与有限元数值求解方法相结合

对于含有多重介质、薄均压屏蔽结构、非对称并联电容器组的252 kV SF6断路器灭弧室内部全场域进行三维电场数值计算。对比分析了区域分解技术对场域数值求解的影响

解决了大场域电场求解精度与求解效率的矛盾。给出了3种不同并联电容器组灭弧室绝缘配置方案

并对有无并联电容器组作用下的灭弧室内部电场进行对比分析

得到了灭弧室内部电场分布、触头沿面电场分布以及场均匀度的定量描述

找到了全场域绝缘薄弱点。

Abstract

Three-dimensional（3D）electric field of 252 kV high voltage SF6 arc quenching chamber with multiple dielectric medium

thin shielding covers and asymmetric shunt capacitors are calculated by combining domain decomposition method with finite element method（FEM）. And the contradictory of calculation accuracy and efficiency is solved. Moreover

three insulation allocation schemes of the shunt capacitors are given

and comparative analysis of the electric field distribution of different schemes is illustrated. Furthermore

quantitative analyses of the electric field strength in arc quenching chamber

the electric field distribution on contact contour

and the field uniformity are obtained.

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Influence of Shunt Capacitors on Insulation Performance of High Voltage SF6 Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2014.03.019

摘要

Abstract

关键词

Keywords

references

Influence of Shunt Capacitors on Insulation Performance of High Voltage SF₆ Circuit Breaker