Arc Interruption Performance Analysis of Nozzle Filled with C4F7N/CO2 Gas Mixture Instead of SF6 gas

LI Jing; JIAN Wen; CAO Yundong; WANG Chengli

doi:10.13296/j.1001-1609.hva.2024.09.013

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Arc Interruption Performance Analysis of Nozzle Filled with C₄F₇N/CO₂ Gas Mixture Instead of SF₆ gas

Research on the Electrical and Physicochemical Properties of Environmental-friendly Gas | 更新时间：2025-04-26

- Arc Interruption Performance Analysis of Nozzle Filled with C₄F₇N/CO₂ Gas Mixture Instead of SF₆ gas
- High Voltage Apparatus Vol. 60, Issue 9, Pages: 92-98(2024)
- 作者机构：
  
  1.沈阳工业大学电气工程学院，沈阳　 110870
  2.中广核惠州核电有限公司，广东　惠州　 516000
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(51977132);Key Special Science and Technology Project of Liaoning Province(2020JH1/10100012);General Program of the Education Department of Liaoning Province(LJKZ0126)
- DOI：10.13296/j.1001-1609.hva.2024.09.013
  CLC：
- Received：25 February 2024，
  
  Revised：27 April 2024，
  
  Published：16 September 2024
- 稿件说明：
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LI Jing, JIAN Wen, CAO Yundong, et al. Arc Interruption Performance Analysis of Nozzle Filled with C₄F₇N/CO₂ Gas Mixture Instead of SF₆ gas[J]. High voltage apparatus, 2024, 60(9): 92-98.
DOI：

LI Jing, JIAN Wen, CAO Yundong, et al. Arc Interruption Performance Analysis of Nozzle Filled with C₄F₇N/CO₂ Gas Mixture Instead of SF₆ gas[J]. High voltage apparatus, 2024, 60(9): 92-98. DOI： 10.13296/j.1001-1609.hva.2024.09.013.

摘要

近几年，C

N/CO

混合气体因为较低的温室效应和优异的绝缘性能受到广泛关注，但是C

N的电弧分断性能实验昂贵、费时，所以文中以SF

和C

N/CO

混合气体为研究对象，建立了在固定开距直流电源条件下的电弧模型。通过电弧累计能量和电导的计算结果分析SF

和C

N/CO

混合气体的灭弧性能，通过对径向温度、物性参数的分析和能量运输的计算分析SF

和C

N/CO

混合气体的换热机理。研究结果表明，C

N/CO

混合气体的电弧特性比较接近SF

气体，可以通过适当提高气压和C

N气体占比来提高C

N/CO

混合气体的灭弧性能，C

N/CO

混合气体的能量交换方式也和SF

气体比较接近，说明C

N/CO

混合气体有较好的灭弧性能，为其在SF

替代气体断路器的应用提供参考。

Abstract

In recent years

N/CO

gas mixture has received widespread attention due to its low greenhouse effect and excellent insulation performance. However

the arc interruption performance experiment of C

N is expensive and time-consuming. In this paper

the SF

and C

N/CO

gas mixture are taken as the study object and the arc model under the DC power at fixed clearance is set up. The arc interruption performance of SF

and C

N/CO

gas mixture is analyzed by the calculation result of calculating the cumulative energy and conductance of the arc. The heat transfer mechanism of SF

and C

N/CO

gas mixture is analyzed by analysis of the radial temperature and physical property parameters as well as the calculation of the energy transport. The st

udy results show that the arc characteristics of C

N/CO

gas mixture are similar to those of SF

gas

and the arc interruption performance of the C

N/CO

gas mixture can be improved by increasing the pressure and the proportion of C

N gas mixture. The energy exchange mode of C

N/CO

gas mixture is also similar to that of SF

gas

indicating that C

N/CO

gas mixture has better arc interruption performance

which provides a reference for its application in SF

substitute gas circuit breaker.

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