건조공기의 연면방전에서 가스압력과 극간거리에 따른 매질효과분석

Title
건조공기의 연면방전에서 가스압력과 극간거리에 따른 매질효과분석
Other Titles
Analysis of Medium Effect by Gas Pressure and Gap at Surface Discharge of Dry Air
Author(s)
이광식임동영박혜리[박혜리]최은혁[최은혁]민경준최상태[최상태]배성우이상봉박원주
Keywords
Dry Air; Gas Insulated Switchgear; Insulation Technique; Medium Effect; Surface Discharge
Issue Date
201310
Publisher
한국조명.전기설비학회
Citation
조명.전기설비학회논문지, v.27, no.10, pp.86 - 92
Abstract
In studies on an alternative insulating gas of SF6 gas, the section of the alternative gas and an insulation technique to improve its low dielectric strength have been reported, but very few attempts have been made at the dependence of a gas pressure and a gap as well as the medium effect in the alternative gas. The purpose of this paper is to analyze the dependence of the gas pressure and the gap at surface flashover voltage in dry air. The dependence is analyzed based on the medium effect. The medium effect by the gas pressure and the gap can be explained by surface roughness of a solid dielectric and an electrode as well as an electric field which decreases due to the correlation between the collision ionization coefficient and the gap, respectively. In addition, an insulation technique which can fabricate a compact eco-friendly gas insulated switchgear is proposed by the results of this paper.
URI
http://hdl.handle.net/YU.REPOSITORY/28753
ISSN
1229-4691
Appears in Collections:
공과대학 > 전기공학과 > Articles
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