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Article Dans Une Revue International Journal of Applied Electromagnetics and Mechanics Année : 2020

High power density medium frequency transformer built with thin GO electrical steel sheets

Résumé

The paper presents the concept of a medium frequency transformer built with thin grain oriented electrical steel (GOES) sheets and high temperature windings; this transformer will be associated with power converters for building a solid-state transformer (SST) used in DC grids. The aim of the study is to bring answers about the maximum operating frequency and flux density that provide the maximum power density and efficiency. A thermal model built from tests on the prototype is presented. This thermal model gives a prediction of the transformer performance for the initial choices of frequency ant flux density. It opens perspectives for designing high power density medium-frequency (MF) transformers.
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Dates et versions

hal-03587121 , version 1 (24-02-2022)

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Sidi Hamdinou, Daniel Roger, Mathieu Rossi, Thierry Belgrand. High power density medium frequency transformer built with thin GO electrical steel sheets. International Journal of Applied Electromagnetics and Mechanics, 2020, 63 (4), pp.681-689. ⟨10.3233/JAE-209204⟩. ⟨hal-03587121⟩

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