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Calculation of losses in laminated ferromagnetic materials
Sebestyen, I. ; Gyimothy, S. ; Pavo, J. ; Biro, O.
IEEE transactions on magnetics, 2004-03, Vol.40 (2), p.924-927
New York, NY: IEEE
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Título:
Calculation of losses in laminated ferromagnetic materials
Autor:
Sebestyen, I.
;
Gyimothy, S.
;
Pavo, J.
;
Biro, O.
Assuntos:
Anisotropic magnetoresistance
;
Condensed matter: electronic structure, electrical, magnetic, and optical properties
;
Conducting materials
;
Conductivity
;
Eddy currents
;
Exact sciences and technology
;
Finite element methods
;
Lamination
;
Magnetic cores
;
Magnetic fields
;
Magnetic materials
;
Magnetic properties and materials
;
Permeability
;
Physics
É parte de:
IEEE transactions on magnetics, 2004-03, Vol.40 (2), p.924-927
Notas:
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição:
A numerical method for calculation of the power losses of nonlinear laminated ferromagnetic cores is presented. The calculation is made in two subsequent steps. In the first step, the approximate magnetic field distribution in the material is determined assuming a nonlaminated bulk nonlinear ferromagnetic material with anisotropic conductivity. In the second step, the nonlinear ferromagnetic material of the laminated core is replaced to linear material with spatially inhomogeneous permeability. The actual permeability distributions of the lamination are determined based on the magnetic field obtained from the first calculation and the nonlinear B-H curve of the material. In this paper, the outlined method is verified through calculations and measurements made on simple benchmark arrangements. Different methods for assigning the inhomogeneous permeability are also investigated.
Editor:
New York, NY: IEEE
Idioma:
Inglês
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