Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 35, Issue 6, Pages 6221-6230Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2019.2949438
Keywords
Anisotropic model; finite element analysis; finite element modeling; inductive power transfer; magnetic components; wireless power transfer
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Funding
- Ministerio de Economia, Industria y Competitividad de Espana [DPI2016-80953-R, RTC-2016-4820-4]
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In this article, a method to replace conductors, in one or multiple layers, by an equivalent layer with homogeneous current distribution is proposed to allow complex 3-D finite element simulations. This equivalent layer needs a coarser mesh, then the simulations are accelerated. The electromagnetic properties of this equivalent layer will be defined to match skin and proximity losses of actual round and Litz-wire conductors. Analytical and empirical equations to obtain these parameters will be provided and the method is validated in several inductive power transfer coils with three dimensional geometries.
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