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2D and 3D homogenization of laminated cores in the frequency domain*

Published online by Cambridge University Press:  08 November 2013

Wagane Faye ,
Gérard Meunier ,
Christophe Guérin ,
Brahim Ramdane ,
Patrice Labie  and
Delphine Dupuy
Wagane Faye*
Affiliation:
Grenoble Electrical Engineering Laboratory, Grenoble-INP/UJF/CNRS/ENSE3, BP046, 38402 Grenoble, France Cedrat, 15 Chemin de Malacher, Inovallée, Meylan Cedex, France
Gérard Meunier
Affiliation:
Grenoble Electrical Engineering Laboratory, Grenoble-INP/UJF/CNRS/ENSE3, BP046, 38402 Grenoble, France
Christophe Guérin
Affiliation:
Cedrat, 15 Chemin de Malacher, Inovallée, Meylan Cedex, France
Brahim Ramdane
Affiliation:
Grenoble Electrical Engineering Laboratory, Grenoble-INP/UJF/CNRS/ENSE3, BP046, 38402 Grenoble, France
Patrice Labie
Affiliation:
Grenoble Electrical Engineering Laboratory, Grenoble-INP/UJF/CNRS/ENSE3, BP046, 38402 Grenoble, France
Delphine Dupuy
Affiliation:
Cedrat, 15 Chemin de Malacher, Inovallée, Meylan Cedex, France
*
ae-mail: [email protected]
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Abstract

This paper presents 2D and 3D homogenization techniques for laminated iron cores in the frequency domain. In 2D, two approaches (analytical and numerical) are compared in terms of complex reluctivity considering tangential magnetic field to laminations. The analytical approach is generalized to 3D problems. The validation performed on homogenized block gives satisfactory results only in case of closed-core or thin air gap open-core. Thus, we have a correct approximation only when the magnetic field is essentially parallel to laminations. In order to remediate the poor approximation of losses due to non parallel magnetic field component and model large air gap devices, we propose an alternative to block homogenization. A validation is done on a laminated open-core inductance.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 64 , Issue 2 , November 2013 , 24517
Copyright
© EDP Sciences, 2013

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Footnotes

*

Contribution to the Topical Issue “Numelec 2012”, Edited by Adel Razek.

References

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