Analysis of Insulation Characteristics of SF<sub>6</sub>/N<sub>2</sub> Gas Mixtures with Monte Carlo Method

LIU Xue-li; XIAO Deng-ming; LI Jin-zhong; ZHANG Shu-qi; SUN Jian-tao; WANG Jian-yi

doi:10.13296/j.1001-1609.hva.2013.12.011

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Analysis of Insulation Characteristics of SF₆/N₂ Gas Mixtures with Monte Carlo Method

更新时间：2025-04-26

- Analysis of Insulation Characteristics of SF₆/N₂ Gas Mixtures with Monte Carlo Method
- High VoltageApparatus Vol. 49, Issue 12, Pages: 49-53(2013)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 上海交通大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.12.011
  CLC： TM561.3
- Published：2013
- 稿件说明：
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[1]刘雪丽,肖登明,李金忠,张书琦,孙建涛,王健一.蒙特卡罗方法分析SF_6/N_2混合气体的绝缘特性[J].高压电器,2013,49(12):49-53.

LIU Xue-li, XIAO Deng-ming, LI Jin-zhong, et al. Analysis of Insulation Characteristics of SF₆/N₂ Gas Mixtures with Monte Carlo Method[J]. High voltageapparatus, 2013, 49(12): 49-53.
[1]刘雪丽,肖登明,李金忠,张书琦,孙建涛,王健一.蒙特卡罗方法分析SF_6/N_2混合气体的绝缘特性[J].高压电器,2013,49(12):49-53. DOI： 10.13296/j.1001-1609.hva.2013.12.011.

LIU Xue-li, XIAO Deng-ming, LI Jin-zhong, et al. Analysis of Insulation Characteristics of SF₆/N₂ Gas Mixtures with Monte Carlo Method[J]. High voltageapparatus, 2013, 49(12): 49-53. DOI： 10.13296/j.1001-1609.hva.2013.12.011.

摘要

在E/N的范围为150

00 Td（1 Td=10-17V·cm2）内

采用蒙特卡罗（Monte Carlo）方法及空碰撞技术模拟SF6/N2混合气体的脉冲汤逊放电。在SF6的百分含量k为0

00%范围内

求出了SF6/N2混合气体的有效电离系数（α-η）/N

漂移速度Ve

并由此导出临界击穿场强（E/N）lim在不同k时的值

计算结果与其他研究者报道的实验数据显示极好的一致性。为SF6/N2替代SF6作为绝缘用气体时高压电器设备的设计提供了参考依据。

Abstract

For the overall density-reduced electric field strength（E/N） form 150 to 500 Td（1 Td=10-17V·cm2）

the pulsed Townsend discharge of SF6/N2gas mixture was simulated by Monte Carlo method with the null-collision technique. Within the range of SF6volume fraction k（0

00%）

the density-normalized effective ionization coefficient（α-η）/N

drift velocity Ve

and the limiting field strength（E/N）lim for SF6/N2gas mixture are calculated

which shows a good agreement with the experimental data. The insulation strength of SF6/N2gas mixture can reach the same value of pure SF6by raising the pressure of SF6/N2mixture. This study may offer a reference for substituting SF6/N2for SF6in high voltage apparat

us.

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Analysis of Insulation Characteristics of SF6/N2 Gas Mixtures with Monte Carlo Method

DOI：10.13296/j.1001-1609.hva.2013.12.011

摘要

Abstract

关键词

Keywords

references

Analysis of Insulation Characteristics of SF₆/N₂ Gas Mixtures with Monte Carlo Method