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Article Dans Une Revue COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering Année : 2019

Temperature-Dependent Hysteresis Model for Soft Magnetic Materials

Résumé

In order to understand the behavior of magnetization processes in ferromagnetic materials in function of temperature, a temperature-dependent hysteresis model is necessary. This article investigates how temperature can be accounted for in the Energy-Based hysteresis model, via an appropriate parameter identification and interpolation procedure. The hysteresis model used for simulating the material response is energy-consistent and relies on thermodynamic principles. The material parameters have been identified by unidirectional alternating measurements and the model has been tested for both simple and complex excitation waveforms. Measurements and simulations have been performed on a soft ferrite toroidal sample characterized in a wide temperature range. The analysis shows that the model is able to represent accurately arbitrary excitation waveforms in function of temperature. The identification method used to determine the model parameters has proven its robustness: starting from simple excitation waveforms, the complex ones can be simulated precisely. As parameters vary depending on temperature, a new parameter variation law in function of temperature has been proposed. A complete static hysteresis model able to take the temperature into account is now available. The identification is quite simple and requires very few measurements at different temperatures. Results suggest that it is possible to predict magnetization curves within the measured range starting from a reduced set of measured data.

Dates et versions

hal-02122582 , version 1 (07-05-2019)

Identifiants

Citer

Maria Roberta Longhitano, Fabien Sixdenier, Riccardo Scorretti, Laurent Krähenbühl, Christophe Geuzaine. Temperature-Dependent Hysteresis Model for Soft Magnetic Materials. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 2019, 38 (5), pp.1595-1613. ⟨10.1108/COMPEL-12-2018-0535⟩. ⟨hal-02122582⟩
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