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A Novel Hysteresis Core Loss Model for Magnetic Laminations

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3 Author(s)
Yu Zhang ; Dept. of Electr. & Comput. Eng., Clarkson Univ., Potsdam, NY, USA ; Cheng, M.C. ; Pillay, P.

A general dynamic hysteresis core loss model has been developed. Experimental data for different lamination thicknesses have been measured and analyzed at various frequencies. Based on the analysis, a dynamic hysteresis finite element core loss model is established and validated by experiments. The developed dynamic hysteresis model is simple and efficient, and has been shown to be very accurate compared with the experiments. Moreover, the model can calculate core losses based on the input parameters obtained from experimental measurements at only one single frequency in a thin lamination. The model, to our best knowledge, is the first one that is capable of calculating core losses for different thicknesses of materials and different operating frequencies, without a massive experimental database. In addition, only the eddy current and hysteresis models are necessary for this calculation but with the important addition of the variation of the flux density within the lamination.

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Energy Conversion, IEEE Transactions on  (Volume:26 ,  Issue: 4 )