A Medium Frequency Transformer Design Tool with Methodologies Adapted to Various Structures
Alexis Fouineau, Marie-Ange Raulet, Martin Guillet, Fabien Sixdenier, Bruno
Lefebvre
2020 Fifteenth International Conference on Ecological Vehicles and Renewable Energies (EVER)
Abstract—A comprehensive and generic medium
frequency transformer (MFT) design methodology is
presented in this paper, which can be applied to many
transformer structures. Models were found or developed
to cover all the necessary calculation, with emphasis on the
balance between computation time and accuracy, leading
to a fast and efficient design tool. Numerous MFT designs
are available at the end with the possibility to choose the
best candidate. A multi-megawatt offshore windfarm
converter application was chosen to show the optimization
procedure of the MFT design inside such a converter. The
best potential design was retained and validated by
numerous finite element simulations. This procedure was
repeated for various MFT structures in order to perform a
quantitative comparison of many different combinations of
technological choices. This study can give insights on the
best technological choices to be used for MFTs, and also
shows significant differences in performance between
structures.
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