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Direct Modeling of Motional Eddy Currents in Highly Saturated Solid Conductors by the Magnetic Equivalent Circuit Method

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3 Author(s)
Gholizad, H. ; Inst. for Electr. Energy Conversion, Tech. Univ. of Darmstadt, Darmstadt ; Funieru, B. ; Binder, A.

Motional eddy currents are induced in conductors due to a localized vrarrtimesBrarr electric field. Direct modeling of this term by finite-element-based analysis may lead to nonphysical oscillations. In this paper, two modified magnetic equivalent circuit (MEC) methods to calculate motional eddy currents in highly saturated moving solid conductors are presented. The comparison between the results of the proposed methods with the finite-element method (FEM) proves high accuracy of the proposed methods in a wide velocity range for highly saturated solid conductors. The mesh sensitivity analysis shows the higher stability of the calculations of the proposed methods, compared with FEM, as no numerical oscillations occur.

Published in:

Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 3 )

Date of Publication:

March 2009

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