Behaviour and Effect of Arc Clogging in Arc Chamber with SF<sub>6</sub>/N<sub>2</sub>

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Behaviour and Effect of Arc Clogging in Arc Chamber with SF₆/N₂

更新时间：2025-04-26

- Behaviour and Effect of Arc Clogging in Arc Chamber with SF₆/N₂
- High VoltageApparatus Issue 6, Pages: 19-22(1993)
- 作者机构：
  
  1. 西安交通大学
  2. 西安交通大学 710049
- 作者简介：
- 基金信息：
- DOI：
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- Published：1993
- 稿件说明：
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[1]胡万平,王其平.SF_6/N_2混合气体灭弧室中电弧阻塞效应的分析研究[J].高压电器,1993(06):19-22.

Behaviour and Effect of Arc Clogging in Arc Chamber with SF₆/N₂[J]. High voltageapparatus, 1993, (6): 19-22.
[1]胡万平,王其平.SF_6/N_2混合气体灭弧室中电弧阻塞效应的分析研究[J].高压电器,1993(06):19-22. DOI：

Behaviour and Effect of Arc Clogging in Arc Chamber with SF₆/N₂[J]. High voltageapparatus, 1993, (6): 19-22. DOI：

摘要

分析研究了SF

混合气体电弧阻塞现象。结果显示

相同电弧电流下

混合气体弧柱和热边界区直径分别大于SF

气体

在电流半波中阻塞时间延长。此外

混合气体电弧能量密度高于SF

而弧柱焓流率则低于SF

的相应值

因而在电流峰值附近更易造成能量在上游的聚积

使电弧对喷口的阻塞作用加强

影响灭弧与介质恢复过程。为了提高混合气体灭弧室的气吹灭弧能力

应对灭弧室结构参数和其他工作条件重新予以调整和确定。

Abstract

The behaviour of arc clogging with the medium of SF6/N2 mixtures has been investigated

The diameters of both arc column and the thermal boundary region of arc are larger for SF6/N2 than that for SF4.This results in that the duration of arc clogging is longer for SF6/N2 in the current cycle.Also there are a large value of ph and a less value of pob.for SF6/N2.The effect of arc clogging are strengthened further and might be harmful to the arc extinction under this condition.In order to increase the interrupting capability of GCB with SF6/N2 mixtures the configuration of arc chamber should be modified.

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Related Institution

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Behaviour and Effect of Arc Clogging in Arc Chamber with SF6/N2

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Behaviour and Effect of Arc Clogging in Arc Chamber with SF₆/N₂