Modelling of Magnetic Anisotropy in Electrical Steel Sheet by Means of Cumulative Distribution Functions of Gaussians
Résumé
This paper proposes a methodology for modeling magnetic anisotropy in ferromagnetic materials. This approach was initially used to represent the isothermal remanent magnetization (IRM) acquired by natural mineral assemblages and based on the use of the cumulative distribution function (CDF) of a probability density function (PDF). For the purpose of this work, the anisotropy of electrical steel sheets is modeled by means of cumulative distribution functions of Gaussians. The methodology is validated by comparisons between numerical and experimental data obtained from an Epstein frame and a Rotational Single Sheet Tester. The outcomes of the study are twofold: firstly, the parameters defining the CDF follow a polynomial trendline and secondly, they can easily be calculated from a limited amount of experimental data which is a key point from an engineering point of view.
Mots clés
Magnetic anisotropy non oriented electrical steel grain oriented electrical steel first magnetization curves modeling cumulative distribution functions
Magnetic anisotropy
non oriented electrical steel
grain oriented electrical steel
first magnetization curves modeling
cumulative distribution functions
Domaines
Sciences de l'ingénieur [physics]
Origine : Fichiers produits par l'(les) auteur(s)