전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제61권8호
  • /
  • Pages.1123-1129
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  • 2012
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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시간차분 유한요소법을 이용한 대용량 삼상 변압기의 정상상태 해석에 관한 연구

Study on Steady State Analysis of High Power Three-Phase Transformer using Time-Stepping Finite Element Method

  • 윤희성 (충북대 전기공학과) ;
  • 서민규 (LS산전 전력연구소) ;
  • 고창섭 (충북대 전자정보대학 전기공학과)
  • 투고 : 2012.03.27
  • 심사 : 2012.06.25
  • 발행 : 2012.08.01
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초록

This paper presents the fast steady state analysis using time-stepping finite element method for a high power three-phase transformer. The high power transformer spends huge computational cost of the time-stepping finite element method. It is because that the high power transformer requires a lot of time to reach steady state by its large inductance component. In order to reduce computational cost, in this paper, the adaptive time-step control algorithm combined with the embedded 2nd 4th singly diagonally implicit Runge-Kutta method and the analysis strategy using variation of the winding resistance are studied, and their numerical results are compared with those from the typical time-stepping finite element method.

키워드

참고문헌

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