Coupled design approach for an integrated GaN-based wireless power transfer rotating system

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Abstract

This paper concerns the design of a high-frequency GaN-based rotating transformer confined by conductive materials. The design approach combines the high-order spectral element method for the magnetic modeling, an electronic circuit model, and the finite element method for the thermal modeling. The objective of the design analysis is to minimize the ratio of core inertia to efficiency. Two different transformer topologies are considered, in which the power is either transferred in the axial or radial direction. The resulting designs are compared in terms of efficiency, core inertia, and transferred power. The radial design shows the best performance within the optimization problem.
Original languageEnglish
Number of pages14
JournalInternational Journal of Applied Electromagnetics and Mechanics
VolumeXX
Issue numberX
DOIs
Publication statusE-pub ahead of print - 27 Oct 2020

Keywords

  • Design optimization
  • eddy currents
  • finite element analysis
  • gradient methods
  • inductive power transmission
  • numerical methods
  • spectral element method

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