Article (Scientific journals)
Lumped low-order time-domain model of eddy current effects in laminated cores
Gyselinck, Johan; Dular, Patrick
2004In International Journal of Applied Electromagnetics and Mechanics, 19 (1-avr Sp. Iss. SI), p. 281-285
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Keywords :
laminated core; eddy currents; skin effect; finite element method
Abstract :
[en] The authors present a novel lumped model for laminated cores considering the ID eddy current problem in a conducting ferromagnetic lamination. The model is based on a polynomial spatial expansion of the induction and the magnetic field throughout the thickness of the lamination, of order n and n + 2 respectively, such that the governing partial differential equation is satisfied (for any n greater than or equal to 0). The magnetic constitutive law is weakly imposed, leading to a system of 1 + n/2 nonlinear differential equations. The method is elaborated and validated for both the linear and the nonlinear case. A fast convergence towards the exact solution (n = infinity) is observed when increasing n.
Disciplines :
Physics
Mechanical engineering
Electrical & electronics engineering
Author, co-author :
Gyselinck, Johan
Dular, Patrick ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Language :
English
Title :
Lumped low-order time-domain model of eddy current effects in laminated cores
Publication date :
2004
Journal title :
International Journal of Applied Electromagnetics and Mechanics
ISSN :
1383-5416
eISSN :
1875-8800
Publisher :
Ios Press, Amsterdam, Netherlands
Volume :
19
Issue :
1-avr Sp. Iss. SI
Pages :
281-285
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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