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Numerical and Circuit Modeling of the Low-Power Periodic WPT Systems

Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D, 15-351 Bialystok, Poland
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Energies 2020, 13(10), 2651; https://doi.org/10.3390/en13102651
Received: 5 April 2020 / Revised: 18 May 2020 / Accepted: 19 May 2020 / Published: 22 May 2020
(This article belongs to the Special Issue Modelling of Wireless Power Transfer)
This article presents a method for analysis of the low-power periodic Wireless Power Transfer (WPT) system, using field and circuit models. A three-dimensional numerical model of multi-segment charging system, with periodic boundary conditions and current sheet approximation was solved by using the finite element method (FEM) and discussed. An equivalent circuit model of periodic WPT system was proposed, and required lumped parameters were obtained, utilizing analytical formulae. Mathematical formulations were complemented by analysis of some geometrical variants, where transmitting and receiving coils with different sizes and numbers of turns were considered. The results indicated that the proposed circuit model was able to achieve similar accuracy as the numerical model. However, the complexity of model and analysis were significantly reduced. View Full-Text
Keywords: wireless power transfer; wireless charging; circuit modeling; numerical analysis wireless power transfer; wireless charging; circuit modeling; numerical analysis
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MDPI and ACS Style

Steckiewicz, A.; Stankiewicz, J.M.; Choroszucho, A. Numerical and Circuit Modeling of the Low-Power Periodic WPT Systems. Energies 2020, 13, 2651.

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