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CEM des batteries haute tension allégées pour véhicule électrique : Caractérisation de matériaux et étude du rayonnement électromagnétique

Abstract : In automotive industry, electric vehicle is becoming more and more attractive for car buyers. The market penetration of electric vehicle is limited by its short range. One of the solutions to increase the range is to lower the weight of the vehicle by modifying the geometry or the material composition. Nevertheless, such changes may have consequences on the EMC of the vehicle.The work of this thesis concern the study of weight reduction of the battery shield from an EMC point of view. Several methods for materials characterization are set in this document. A method which uses a TEM cell or a stripline has been designed during this thesis to measure the complex relative permittivity of an unknown dielectric material. Then, the measured properties are inserted into numerical 3D models. The numerical techniques that fit this study are the finite differences in time domain and the method of moments. The study of radiated electromagnetic field from a battery has been performed thanks to a ½ scale model in semi anechoic chamber and mode-stirred reverberation chamber according to standard setups. More complex configurations were studied taking into account the integration of the battery-pack into the vehicle.
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https://tel.archives-ouvertes.fr/tel-01371725
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Submitted on : Tuesday, September 27, 2016 - 10:57:08 AM
Last modification on : Monday, December 16, 2019 - 12:06:07 PM
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  • HAL Id : tel-01371725, version 1

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Rémi Tumayan. CEM des batteries haute tension allégées pour véhicule électrique : Caractérisation de matériaux et étude du rayonnement électromagnétique. Electromagnétisme. Université de Limoges, 2016. Français. ⟨NNT : 2016LIMO0049⟩. ⟨tel-01371725⟩

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