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Finite element method analysis of hysteresis power loss in pulse transformer

Łyskawiński W., Sujka P.

Poznan University of Technology Academic Journals. Electrical Engineering

2010

No. 62

77-86

In the paper, the mathematical model of coupled electromagnetic and thermal phenomena in the pulse transformer taking into account the magnetic hysteresis is presented. For the mapping of magnetic hysteresis, Jiles-Atherton model is applied. In order to solve field equations, the finite element method (FEM), "step-by-step" procedure and Newton-Raphson algorithm are used. Software elaborated on this basis is used for analysis of hysteresis loss in the core. Selected results of investigations are shown.