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A Multiscale Approach to Predict Classical Losses in Soft Magnetic Composites

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5 Author(s)
Adelina Bordianu$^{1}$Faculty of Electrical Engineering, Department of Electrical Engineering,, University Politehnica of Bucharest,, Bucharest, Romania ; Olivier de la Barriere ; Oriano Bottauscio ; Mario Chiampi
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This paper presents the application of a finite element multiscale method, based on the homogenization technique, to the prediction of classical losses in soft magnetic composite materials. The experimental results, obtained for a wide range of frequencies and for various toroidal samples with different cross sections, are explained by using the considered model. It has been found that the classical losses are influenced by the dimensions of the sample, as well as by the conductivity and the length of the random contacts between the grains.

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IEEE Transactions on Magnetics  (Volume:48 ,  Issue: 4 )