Analysis of Arc Behavior as a Function of Twisting Angle Between Contacts in Spiral Type VI by Means of Arc Image, Arc Voltage and FEM

아크이미지, 아크전압과 유한요소해석을 통한 나선형 VI 전극 간의 비틀림 각도에 따른 아크거동분석

  • 김병철 (충북대학교 전기공학과 전기재료연구실) ;
  • 박홍태 (LS산전(주) 전력연구소) ;
  • 손진우 (LS산전(주) 전력연구소) ;
  • 임기조 (충북대학교 전기공학과 전기재료연구실)
  • Published : 2009.04.01


In this paper arc behavior in spiral type vacuum interrupter(VI) was analyzed by means of arc images, arc voltages and finite element method(FEM). As a result of experiment, the difference of arc voltage was observed under different twisting angles. It was found that the reason of the difference was the difference of arc resistance from simultaneous analysis of arc images and arc voltages. and the difference of arc resistance was explained by Lorentz force calculation with FEM. And the results of calculation were sufficient to explain the experimental results.


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