Article (Scientific journals)
A nonlinear time-domain homogenization technique for laminated iron cores in three-dimensional finite-element models
Gyselinck, Johan; V Sabariego, Ruth; Dular, Patrick
2006In IEEE Transactions on Magnetics, 42 (4), p. 763-766
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Keywords :
Eddy currents; finite-element methods (FEMs); homogenization; lamination stack
Abstract :
[en] The authors present a novel nonlinear homogenization technique for laminated iron cores in three-dimensional (3-D) finite-element (FE) models of electromagnetic devices. The technique takes into account the eddy current effects in the stacked core without the need of modeling all laminations separately. A nonlinear constitutive magnetic law is considered. The system of nonlinear algebraic equations obtained after time discretization is solved by means of the Newton-Raphson scheme. By way of validation, the method is applied to a 3-D FE model of a laminated ring core with toroidal coil.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Gyselinck, Johan;  Université Libre de Bruxelles - ULB > Dept. of Bio-, Electro- and Mechanical Systems (BEAMS)
V Sabariego, Ruth ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Dular, Patrick ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Language :
English
Title :
A nonlinear time-domain homogenization technique for laminated iron cores in three-dimensional finite-element models
Publication date :
2006
Journal title :
IEEE Transactions on Magnetics
ISSN :
0018-9464
eISSN :
1941-0069
Publisher :
IEEE, Piscataway, United States - New Jersey
Volume :
42
Issue :
4
Pages :
763-766
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 December 2008

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