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Modélisation de dispositifs électromagnétiques hautement saturables par la méthode des moments magnétiques. Application aux capteurs de courant des disjoncteurs basse tension

Abstract : This report concerns the study of current sensors contained by low voltage circuit breakers with electronic trip-unit. Compactness and asymmetry of those sensors generate a complex magnetic behavior whose modeling is difficult. The aim of this work consists in finding a parametric behavioral model of the sensor, compatible with optimization. This model must integrate the magnetic environment (other sensors) and the electrical charge (electronic). Classical methods (equivalent electric and magnetic circuits, finite elements method) are proved to be incompatible with these specifications. For this reason, the study focuses on the magnetic moment method, and an extremely simple model of the sensor, based on this method, is developped.
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https://tel.archives-ouvertes.fr/tel-00384272
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Submitted on : Thursday, May 14, 2009 - 4:53:08 PM
Last modification on : Thursday, November 19, 2020 - 1:00:26 PM
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Fleur Janet. Modélisation de dispositifs électromagnétiques hautement saturables par la méthode des moments magnétiques. Application aux capteurs de courant des disjoncteurs basse tension. Sciences de l'ingénieur [physics]. Institut National Polytechnique de Grenoble - INPG, 2003. Français. ⟨tel-00384272⟩

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