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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.
목차
Abstract
1. 서론
2. SDIRK법과 적응 시간 간격 조절법을 적용한 시간차분 유한요소법
3. 권선 저항의 가변을 통한 정상상태 해석 시간의 단축
4. 결론
감사의 글
참고문헌
참고문헌 (10)
참고문헌 신청
S. L. Ho / 2000 / A novel approach to circuit-field-torque coupled time stepping finite element modeling of electric machines / IEEE Trans. Magn. 36(4):1886~1889
K. Yamazaki / 2012 / Characteristics analysis of large high speed induction motors using 3-D finite element method / IEEE Trans. Magn. 48(2):995~998
S. Bouissou / 1994 / Numerical simulation of a power transformer using 3D finite element method coupled to circuit equation / IEEE Trans. Magn. 30(5):3224~3227
M. J. Islam / 2007 / Time-harmonic finite-element analysis of eddycurrents in the form-wound stator winding of a cageinduction motor / IET Electr. Power Appl. 1(5):839~846
J. Driesen / 2001 / The simulation of magnetic probolems with combined fast and slow dynamics using a transient time-harmonic method / European Physical Journal Applied Physics 13(3):165~169
K. Yamazaki / 2012 / Characteristics analysis of large high speed induction motors using 3-D finite element method / IEEE Trans. Magn. 48(2):995~998
S. Bouissou / 1994 / Numerical simulation of a power transformer using 3D finite element method coupled to circuit equation / IEEE Trans. Magn. 30(5):3224~3227
M. J. Islam / 2007 / Time-harmonic finite-element analysis of eddycurrents in the form-wound stator winding of a cageinduction motor / IET Electr. Power Appl. 1(5):839~846
J. Driesen / 2001 / The simulation of magnetic probolems with combined fast and slow dynamics using a transient time-harmonic method / European Physical Journal Applied Physics 13(3):165~169
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UCI(KEPA) : I410-ECN-0101-2013-560-003550738