Losses evaluation in converters using the calorimetric technique |
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Authors: | Kaiçar Ammous Bruno Allard Hatem Garrab Anis Ammous |
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Institution: | (1) Groupe Electronique de Puissance (PEG), ENIS-Sfax, Département de Génie Electrique, BPW, 3038 Sfax, Tunisie;(2) Centre de Génie Electrique de Lyon, CNRS UMR5005, INSA-Lyon, Batiment Léonard de Vinci, F-69621 Villeurbanne Cedex, France |
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Abstract: | In this paper, a measurement technique of losses in the switching cell, based on calorimetric technique is presented. A special
calorimeter was designed to be able to access the heat generated by an operating converter. Power component losses are studied
according to the cyclic ratio and to operating frequency and an extraction method of the different terms of these losses,
using calorimetric measurements, is presented.
An accurate expression of the switching losses in the power semiconductors devices is proposed. |
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Keywords: | calorimetry converters losses measurement power |
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