publication . Article . 2016

Complex Permeability Measurements in a Nanocrystalline Toroidal Core

Hajer Lagha; Hafedh Belmabrouk; Hervé Chazal;
Open Access English
  • Published: 15 Jun 2016 Journal: Journal of Modern Materials (issn: 2456-4834, eissn: 2456-4834, Copyright policy)
  • Publisher: AIJR Publisher
Abstract
<jats:p>In the design of power electronic converters, the choice of the suitable magnetic alloys and the measurement of the variations of their magnetic properties versus the temperature are fundamental issues. A theoretical model based on Neel theory and that takes into account wall displacement and coherent rotation was elaborated to derive the expression of the complex permeability versus the frequency. The static and the dynamic behavior are considered. The dependence of temperature is implicit in this model, i.e. the parameters involved in the expression of the complex permeability may depend on the temperature. An impedance analyzer has been used to measur...
Subjects
free text keywords: Permeability (electromagnetism), Anisotropy energy, Toroid, Nanocrystalline material, Condensed matter physics, Electrical impedance, Heat transfer, Thermal, Chemistry, Mechanics, Short circuit

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publication . Article . 2016

Complex Permeability Measurements in a Nanocrystalline Toroidal Core

Hajer Lagha; Hafedh Belmabrouk; Hervé Chazal;