The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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Analysis on the Dielectric Characteristics of Gaseous Nitrogen for Developing Eco-friendly High Voltage Apparatuses

친환경 고전압 전력기기 개발을 위한 GN2의 절연특성 분석

  • Bang, Seungmin (Dept. of Electrical and Electronic Engineering, Korea National University of Transportation) ;
  • Lee, Onyou (Dept. of Electrical and Electronic Engineering, Korea National University of Transportation) ;
  • Kim, Junil (Dept. of Electrical and Electronic Engineering, Korea National University of Transportation) ;
  • Kang, Jong O (Dept. of Electrical and Electronic Engineering, Korea National University of Transportation) ;
  • Lee, Hongseok (Dept. of Electrical and Electronic Engineering, Korea National University of Transportation) ;
  • Ko, Taekuk (Dept. of Electrical and Electronic Engineering, Yonsei University) ;
  • Kang, Hyoungku (Dept. of Electrical Engineering, Korea National University of Transportation)
  • Received : 2014.11.05
  • Accepted : 2014.11.25
  • Published : 2014.12.01
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Abstract

The environmental pollution caused by green-house gases such as $SF_2$ has been becoming the main issue of industrial society. As a part of these efforts, 180 countries signed the Kyoto Protocol in 1997 to cut back on their green-house gas emissions [1]. Therefore, a study on the dielectric characteristics of the $GN_2$ is important for designing a eco-friendly high voltage apparatuses. In this paper, to develop an electrically reliable, stable, and eco-friendly high voltage apparatus, the breakdown voltage and partial discharge inception voltage characteristics in $GN_2$ considering utilization factors are studied for the establishment of insulation design criteria of an high voltage apparatus. Dielectric experiments are performed by using several kinds of sphere-plane electrode systems made of stainless steel. Also, the dielectric characteristics of the $GN_2$ are analyzed by using a Finite Elements Method (FEM) according to various field utilization factors. The results are expected to be applicable to designing the high voltage apparatuses using $GN_2$ as an insulation gas.

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References

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