Research Advances in Interface Insulation Characteristics of SF<sub>6</sub> Alternative Gases

DENG Junbo; DONG Junhao; CHEN Junhong; LI Jinshu; XUE Jianyi; ZHANG Guanjun

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Research Advances in Interface Insulation Characteristics of SF₆ Alternative Gases

更新时间：2025-12-08

- Research Advances in Interface Insulation Characteristics of SF₆ Alternative Gases
- Vol. 48, Issue 2, Pages: 661-673(2022)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 合肥工业大学电气与自动化工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：28 February 2022，
  
  Published：2022
- 稿件说明：
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DENG Junbo, DONG Junhao, CHEN Junhong, et al. Research Advances in Interface Insulation Characteristics of SF₆ Alternative Gases[J]. 2022, 48(2): 661-673.
DOI：

DENG Junbo, DONG Junhao, CHEN Junhong, et al. Research Advances in Interface Insulation Characteristics of SF₆ Alternative Gases[J]. 2022, 48(2): 661-673. DOI：

摘要

由于SF

气体极强的温室效应，以CF

I、C

N、C

O等气体为代表的环境友好型绝缘气体得到了越来越多关注。沿面绝缘特性是评价气–固复合绝缘系统电气性能的一个重要指标，但目前对于新型环保气体的相关研究尚不完善。为了推进环保型SF

替代气体的研发与应用，综述了几种热门SF

替代气体界面绝缘性能的研究进展。从间隙击穿特性及沿面绝缘特性、气–固界面电荷积聚特性和气体分解与气–固材料相容性对沿面绝缘特性的影响3个方面入手，讨论了SF

替代气体进行工程应用的可能性。最后提出SF

替代气体界面绝缘特性研究的3个方向：一是注意电压频率对新型环保气体中沿面放电的影响；二是探究新型环保气体中长期电–热–机复合应力下电荷积聚对沿面绝缘性能的影响机制；三是基于气体分解特性与气–固材料相容性对沿面绝缘性能的影响机制，对新型环保气体气–固复合绝缘系统进行优化设计。

Abstract

Due to the serious greenhouse effect of SF

eco-friendly insulating gases represented by CF

Oand other gases have attracted more and more attention.The surface insulation characteristic is an important index to evaluate the electrical performance of the gas-solid composite insulation system

but the current research on new eco-friendly gases is not complete.In order to promote the development and application of new eco-friendly gases

this article reviews the research progress of several popular SF

alternative gases on the interface insulation properties.From three aspects

such as th

e gap breakdown characteristics and surface insulation characteristics

gas-solid interface charge accumulation characteristics

and the influence of gas decomposition and gas-solid compatibility on the surface insulation characteristics

the possibility of SF

alternative gases for engineering applications is discussed.Finally

three directions for the investigation of SF

alternative gases on the interface insulation characteristics are proposed as follows:first

the influence of frequency on creeping discharge in new eco-friendly gases should be focused on;second

the effect of charge accumulation on creeping insulation under long-term electric-thermal-mechanical compound stress in new eco-friendly gases should be investigated;third

the design of the new eco-friendly gas-solid composite insulation system should be optimized based on the influence mechanism of gas decomposition characteristics and gas-solid compatibility on the surface insulation performance.

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Research Advances in Interface Insulation Characteristics of SF6 Alternative Gases

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Research Advances in Interface Insulation Characteristics of SF₆ Alternative Gases