Discussion and Analysis of Key Issues Associated with the Application of SF<sub>6</sub> Gas Mixture as an Insulation Medium

SU Zhenxi; LIU Wei

doi:10.13296/j.1001-1609.hva.2016.12.038

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Discussion and Analysis of Key Issues Associated with the Application of SF₆ Gas Mixture as an Insulation Medium

更新时间：2025-04-26

- Discussion and Analysis of Key Issues Associated with the Application of SF₆ Gas Mixture as an Insulation Medium
- High VoltageApparatus Vol. 52, Issue 12, Pages: 232-236(2016)
- 作者机构：
  
  国网安徽省电力公司电力科学研究院国网公司六氟化硫气体特性分析与净化处理技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.12.038
  CLC： TM21
- Published：2016
- 稿件说明：
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[1]苏镇西,刘伟.关于SF_6混合绝缘气体几个重要问题的探讨[J].高压电器,2016,52(12):232-236.

SU Zhenxi, LIU Wei. Discussion and Analysis of Key Issues Associated with the Application of SF₆ Gas Mixture as an Insulation Medium[J]. High voltageapparatus, 2016, 52(12): 232-236.
[1]苏镇西,刘伟.关于SF_6混合绝缘气体几个重要问题的探讨[J].高压电器,2016,52(12):232-236. DOI： 10.13296/j.1001-1609.hva.2016.12.038.

SU Zhenxi, LIU Wei. Discussion and Analysis of Key Issues Associated with the Application of SF₆ Gas Mixture as an Insulation Medium[J]. High voltageapparatus, 2016, 52(12): 232-236. DOI： 10.13296/j.1001-1609.hva.2016.12.038.

摘要

六氟化硫（SF

）气体的温室效应及低温易液化的特性限制了它的应用。目前

混合绝缘气体（SF

、SF

/CF

等）因其较低的液化温度及较好的电气性能

被认为是目前最具发展前景的替代介质

开始被应用于电气设备中。由于与纯SF

气体在性质上有较大的区别

混合绝缘气体大规模推广应用之前

需要先研究解决许多关键的技术难题。文中对SF

混合绝缘气体应用过程中混合气体水分、混合比、分层以及泄漏问题进行探讨

有助于SF

混合绝缘气体的推广应用。

Abstract

The application of SF

gas in electrical apparatus is limited by its greenhouse effect and liquefaction at low temperature. At present SF

gas mixtures（SF

/CF

etc） are regarded as one of the most promising alternative insulating gases to SF

because of their lower liquefaction temperature and good dielectric performance and have been used in some electrical apparatuses. In view of the large differences in material properties

key technical issues in relation to SF

gas mixtures have to be carefully addressed before their l

arge scale application in electrical systems. In the present work

the application status of SF

and SF

/CF

gas mixtures in China is first introduced. A discussion is then devoted to the key issues in relation to the application of SF

gas mixtures

such as humidity

mixture separation

mixing ratio

and leakage

which is expected to help promote a wider use of SF

mixtures in electrical systems.

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Discussion and Analysis of Key Issues Associated with the Application of SF6 Gas Mixture as an Insulation Medium

DOI：10.13296/j.1001-1609.hva.2016.12.038

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Discussion and Analysis of Key Issues Associated with the Application of SF₆ Gas Mixture as an Insulation Medium