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Matériaux magnétiques et solutions innovantes de filtrage CEM pour applications aéronautiques

Abstract : In the context of the more electric aircraft, the industry replaces pneumatic or/and hydraulic actuators for electromechanicalactuators. The ultimate goal is to reduce the weight and improve the overall energy efficiency of an aircraft to reduce fuelconsumption. This thesis aims the mass reduction converters while providing criteria EMC interference (electromagneticcompatibility). In fact, EMC standards are becoming more stringent, particularly in sensitive areas such as aeronautics. EMCfilters are more numerous. In these filters, the magnetic components have more than 50% of the space and weigth. Theobjective of this thesis is to design innovative EMC filters solutions, using a single magnetic component, to reduce conducted disturbances (common and differential modes). Following a review of the literature, we conducted a comparative study of single magnetic component topologies. We have developed a modeling tool frequency magnetic single component. From a modeling <> we have to take into account the environment of the magnetic component (Impedance Stabilization Network Line (LISN), Source disturbances and capacities) and a finer modeling of magnetic properties of component. With a gyrator-capacitor model, we could predict the performance of the complete filter in its environment and optimize it. This study has allowed us to achieve a unique magnetic topology component more compact and efficient than the existing topology. In addition, we have demonstrated the feasibility of integrating PCB (Printed Circuit Board) of nanocrystalline alloy by performing another single component topology based on the same factors as above but integrated into a PCB. The technological obstacles which we faced and solutions we have proposed to solve them are detailed in the report.
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Submitted on : Friday, September 6, 2013 - 11:07:16 AM
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  • HAL Id : tel-00759383, version 2



Fanny Mesmin. Matériaux magnétiques et solutions innovantes de filtrage CEM pour applications aéronautiques. Autre. Université de Grenoble, 2012. Français. ⟨NNT : 2012GRENT039⟩. ⟨tel-00759383v2⟩



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