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Finite Element Three-Phase Transformer Modeling Taking Into Account a Vector Hysteresis Model

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4 Author(s)
Leite, J.V. ; EEL, UFSC, Florianopolis ; Benabou, A. ; Sadowski, N. ; da Luz, M.V.F.

In this work an approach for modeling a transformer core taking into account magnetic hysteresis is presented. For this purpose, the inverse vector Jiles-Atherton hysteresis model is incorporated in a 2D finite element code. This model allows writing naturally the differential reluctivity tensor which can be directly used in the magnetic field equations. A three-phase transformer is modeled. The excitation characteristics of the transformer, as well as hysteresis loops at specific points, are presented. The proposed model was verified with obtained experimental data.

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