Comparison of Preisach and Jiles-Atherton models to take into account hysteresis phenomenon for finite element analysis

  • Benabou A
  • Clénet S
  • Piriou F
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In electrical engineering, study and design of electromagnetic systems require more and more accurate models. To improve the accuracy of field calculation code, hysteresis phenomenon has to be taken into account to model ferromagnetic material. This material model has to be accurate and fast. In that context, two macroscopic models are often used: the Preisach and the Jiles-Atherton (J-A) models. In this paper, both models are presented. Field calculation requires a model giving the magnetization M versus either the magnetic field H or the magnetic flux density B. Consequently, from the classical Preisach and J-A, two sub-models M(H) and M(B) are deduced. Then, we aim at comparing these models in terms of identification procedure facilities, accuracy, numerical implementation and computational effort. This study is carried out for three kinds of materials, which have different magnetic features: ferrites, FeSi sheets and a soft magnetic composite material. Then, the implementation of these models in a finite element code is presented. As example of application, a high-frequency transformer supplied by a rectangular voltage is studied. © 2002 Elsevier Science B.V. All rights reserved.

Author-supplied keywords

  • FEM
  • Ferromagnetic material
  • Hysteresis curve
  • Jiles-Atherton model
  • Preisach model

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  • A. Benabou

  • S. Clénet

  • F. Piriou

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