Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF<sub>6</sub> Circuit Breaker

HAN Tianqi; LI Xin

doi:10.13296/j.1001-1609.hva.2019.10.038

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Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF₆ Circuit Breaker

更新时间：2025-04-26

- Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF₆ Circuit Breaker
- High VoltageApparatus Vol. 55, Issue 10, Pages: 237-240+246(2019)
- 作者机构：
  
  西安高压电器研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.10.038
  CLC： TM561.3
- Published：2019
- 稿件说明：
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[1]韩天旗,李鑫.40.5 kV户内高压六氟化硫断路器触臂设计与工艺选用[J].高压电器,2019,55(10):237-240+246.

HAN Tianqi, LI Xin. Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF₆ Circuit Breaker[J]. High voltageapparatus, 2019, 55(10): 237-240+246.
[1]韩天旗,李鑫.40.5 kV户内高压六氟化硫断路器触臂设计与工艺选用[J].高压电器,2019,55(10):237-240+246. DOI： 10.13296/j.1001-1609.hva.2019.10.038.

HAN Tianqi, LI Xin. Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF₆ Circuit Breaker[J]. High voltageapparatus, 2019, 55(10): 237-240+246. DOI： 10.13296/j.1001-1609.hva.2019.10.038.

摘要

40.5 kV户内高压六氟化硫断路器灭弧室外壳一般采用合金铝或钢质材料

一次触臂导体与接地的灭弧室外壳之间要求耐受工频和雷电冲击电压

文中通过对多种绝缘设计方案的计算机电场仿真计算

确定了一种电场强度分布相对均匀的设计方案;经过反复工艺试验对比

取得了满意的效果。

Abstract

The shell of arcing chamber of an indoor 40.5 kV SF

circuit breaker is usually made of aluminum alloy or steel material. The gap between the primary contact arm conductor and the grounded arcing chamber shell is required to withstand power frequency and lightning impulse voltage. In this study

electric field simulation calculations of different insulation design schemes of the contact arm were performed

and a design scheme with relatively more uniform distribution of electric field intensity was selected. Through repeated process tests and comparison

satisfactory results were obtained.

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Related Institution

Institute of Electric Power Science, State Grid Jiangxi Electric Power Co., Ltd.

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Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF6 Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2019.10.038

摘要

Abstract

关键词

Keywords

references

Design and Process Selection of Contact Arm for 40.5 kV Indoor High-voltage SF₆ Circuit Breaker