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http://dx.doi.org/10.4313/JKEM.2005.18.7.675

Lightning Impulse Breakdown Characteristics of SF6-based Mixture Gases  

Seo, Ho-Joon (수원대학교 전기공학과)
Rhie, Dong-Hee (수원대학교 전기공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.18, no.7, 2005 , pp. 675-681 More about this Journal
Abstract
$SF_6$ is widely used as gas insulation medium because of having excellent dielectric and arc-quenching properties. However the use of it is getting to be suppressed from the viewpoint of mitigating global warming. For the development of environmentally-benign electric power equipment and system, novel gases or mixture gases are strongly required as the substitute of $SF_6$ gas. In this study the authors constructed an experimental system to investigate insulation properties of the mixed gases composed of negative $gas(SF_6)$ and electron deceleration gases$(N_2\;and\;CO_2)$. Breakdown and prebreakdown characteristics of $SF_6/N_2/CO_2$ mixture gases were investigated using the above mentioned system for different rates and gas pressures.
Keywords
Mixture gases; Lightning Impulse; Breakdown; Prebreakdown characteristics;
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