Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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AC Breakdown Characteristics in Ar/$N_2$ and Kr/$N_2$ Gas Mixtures

Ar/$N_2$ 및 Kr/$N_2$ 혼합 가스의 교류절연파괴 특성

  • 이상우 (영남대학교 전기공학과) ;
  • 김이국 (경일대학교 전기공학과) ;
  • 김인식 (경일대학교 전기공학과) ;
  • 구경철 (영남대학교 전기공학과) ;
  • 이동인 (영남대학교 전기공학과) ;
  • 이광식 (영남대학교 전기공학과)
  • Published : 2001.07.18
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Abstract

In this paper, we investigated the breakdown characteristics of Ar, Kr and $N_2$ gas in pure states with pressure range of 58.8-137.3[kPa] under uniform and non-uniform fields, and the measured values are compared with those in Ar/$N_2$ gas mixtures. From these results, the breakdown voltages of $N_2$ gas in uniform field were increased about 4.8 and 4.4 times than those of Ar and Kr gas, respectively. Breakdown voltages of Ar/$N_2$ gas mixtures were decreased with decreasing the mixture ratio of $N_2$ gas. Breakdown voltages of Ar(70%)/$N_2$(30%) gas mixtures in the pressure of 101.3[kPa] (gap length : 3[mm]) were increased 1.9 times than those of pure Ar gas.

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