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Experimental and Numerical Characterization of Magnetically Anisotropic Laminations in the Direction Normal to Their Surface

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4 Author(s)
Hihat, N. ; Univ. Lille Nord de France, Lille, France ; Komeza, Krzysztof ; Napieralska Juszczak, E. ; Lecointe, J.P.

This paper proposes a mixed experimental/numerical technique to characterize magnetic laminations in the direction normal to their surface. The principle, which uses static excitation to avoid errors caused by eddy currents, is explained and a specific test bench is proposed. Measurements of the magnetic flux density are made using a sensor being moved in and out of the air gap and are supplemented by 3-D numerical modeling where the final characteristic is obtained through iterations until the computed and measured values agree within assumed tolerance. Comparisons with previously published approach based on an analytical model are made and specific properties of the characteristic of anisotropic laminations are discussed.

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Magnetics, IEEE Transactions on  (Volume:47 ,  Issue: 11 )