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Master Thesis

Étude et réalisation d'un hystérésis-graphe d'un système de mesure du cycle d'hystérésis

Abstract : Magnetic materials are currently at the heart of modern scientific and technological development. Their use is extended through the most innovative fields of application namely, electric energy, telecommunications. The characterization of materials and the knowledge of their magnetic behavior are paramount in the design and use in the circuits low and high frequency. In this report, we are interested in the study of the characteristics of iron -silicon magnetic materials with oriente d grains (Fe Si-GB) used in the transformers taking into account the form of the magnetic induction. A method of characterization adapted to the analysis of the characteristics of magnetic materials is developed in this study: it affects the measurement of the magnetization curve, the cycle of hysteresis, the permeability, and the magnetic losses. To access to these parameters, we have realized a power amplifier controlled by a triangular wave at low frequency that supplies an excitation coil of the magnet ic core. The target set is the modeling of the cycle of hysteresis, and the quantification of losses in the magnetic circuit of the magnetic core.
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Master Thesis
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Neimat Nahouli. Étude et réalisation d'un hystérésis-graphe d'un système de mesure du cycle d'hystérésis. Energie électrique. 2014. ⟨dumas-01622088⟩

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