Comparative Study of the Interruption Capability of N2,CO2 and SF6 Nozzle Arcs

GUO Yujing; ZHANG Hao; ZHANG Quan; YAO Yongqi; YAN Jiudun

doi:10.13296/j.1001-1609.hva.2016.12.005

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Comparative Study of the Interruption Capability of N₂,CO₂ and SF₆ Nozzle Arcs

更新时间：2025-04-26

- Comparative Study of the Interruption Capability of N₂,CO₂ and SF₆ Nozzle Arcs
- High VoltageApparatus Vol. 52, Issue 12, Pages: 31-40(2016)
- 作者机构：
  
  1. 平高集团有限公司
  2. 利物浦大学电气工程与电子系
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.12.005
  CLC： TM21
- Published：2016
- 稿件说明：
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[1]郭煜敬,张豪,张权,姚永其,阎究敦.N_2、CO_2和SF_6喷口电弧电流开断能力的比较分析[J].高压电器,2016,52(12):31-40.

GUO Yujing, ZHANG Hao, ZHANG Quan, et al. Comparative Study of the Interruption Capability of N₂,CO₂ and SF₆ Nozzle Arcs[J]. High voltageapparatus, 2016, 52(12): 31-40.
[1]郭煜敬,张豪,张权,姚永其,阎究敦.N_2、CO_2和SF_6喷口电弧电流开断能力的比较分析[J].高压电器,2016,52(12):31-40. DOI： 10.13296/j.1001-1609.hva.2016.12.005.

GUO Yujing, ZHANG Hao, ZHANG Quan, et al. Comparative Study of the Interruption Capability of N₂,CO₂ and SF₆ Nozzle Arcs[J]. High voltageapparatus, 2016, 52(12): 31-40. DOI： 10.13296/j.1001-1609.hva.2016.12.005.

摘要

文中研究了瞬态条件下电弧在3种不同气体中（N

、CO

和SF

）熄弧时的形态及能量交换机理。首先根据实验结果对湍流电弧模型进行了严格校准、确认其适用性。在此基础上对3种电弧进行仿真计算

对计算结果进行能量守恒分析

指出了不同气体燃弧过程中对电弧特性起主导作用的能量输运机理。基于湍流电弧中径向温度分布曲线的特征

阐述并确认了喷口电弧的电流开断能力与气体的物性参数之间的内在联系。

Abstract

The dynamic behavior and energy exchange mechanisms in the quenching process of three transient nozzle arcs burning in N

and SF

have been investigated. The turbulent arc model is first calibrated against available experimental results and its applicability and accuracy verified by comparison with the latter. Arcs burning in the three gases are then modelled and energy balance analysis carried out to identify the dominant energy exchange mechanism in each of the three gas arcs. Focusing on the inflection points in the radial temperature distribution curves

the different interruption capabilities of the nozzle arcs are traced back to the differences in gas material properties.

A link between the interruption capability of a gas and its material properties is finally established.

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Related Institution

Department of Electrical Engineering and Electronics,University of Liverpool

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