[en] This paper deals with the implementation of an energy-consistent ferromagnetic hysteresis model in 2-D finite-element computations. This vector hysteresis model relies on a strong thermodynamic foundation and ensures the closure of minor hysteresis loops. The model accuracy can be increased by controlling the number of intrinsic cell components, while parameters can be easily fitted on common material measurements. Here, the native h-based material model is inverted using the Newton-Raphson method for its inclusion in the magnetic vector potential formulation. Simulations are performed on a 2-D T-shaped magnetic circuit exhibiting rotational flux. By way of validation, the results are compared with those obtained with the dual magnetic scalar potential formulation. A very good agreement for global quantities is observed.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Jacques, Kevin ; Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
FEDO (Free software for Electric Drive Optimization)
Funders :
BELSPO - Belgian Science Policy Office [BE] Walloon region [BE]
Funding text :
This work was supported in part by the Belgian Science Policy under grant IAP P7/02 and the Walloon Region of Belgium under grant RW-1217703 (WBGreen FEDO).
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