대한전기학회논문지:전기기기및에너지변환시스템부문B (The Transactions of the Korean Institute of Electrical Engineers B)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

3차원 와전류문제의 유한요소해석에서 쿨롱게이지조건과 전류연속조건의 영향

Effects of Coulomb Gauge Condition and Current Continuity Condition on 3-Dimensional FE Analysis for Eddy Current Problems

  • 이향범 (숭실대학교 전기제어시스템공학부)
  • 발행 : 2005.10.01
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초록

To solve the 3D eddy current problems by using FE(finite element) method with MVP(magnetic vector potential) and electric scalar potential, Coulomb gauge condition and current continuity condition have to be considered. Coulomb gauge condition enforced on existing FE formulations to insure the uniqueness of MVP looks unnatural and current continuity condition which can be driven from Ampere's law looks unnecessary. So in this paper the effect of two conditions on FE formulations are investigated in order to help to obtain accurate numerical simulation results.

키워드

참고문헌

  1. C. R. I. Emson and J. Simkin, 'An optimal Method for 3-D eddy currents,' IEEE Trans. on Mag., Vol. 19, No.6, November 1983 https://doi.org/10.1109/TMAG.1983.1062910
  2. C. F. Bryant, C. R. I. Emson and C. W. Trowbridge, 'A comparison of Lorentz Gauge formulations in eddy current computations,' IEEE Trans. on Mag., Vol. 26, No.2, March 1990 https://doi.org/10.1109/20.106345
  3. O. Biro and K. Preis, 'On the use of the magnetic vector potential in the finite element analysis of three-dimensional eddy currents,' IEEE Trans. on Mag., Vol. 25, No.4, July 1989 https://doi.org/10.1109/20.34388
  4. David K. Cheng, Fundamentals of Engineering Electromagnetics, Prentice Hall, 1992
  5. N. N. Rao, Elements of Engineering Electromagnetics, 5th Ed., Prentice Hall, 1999