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Simulation and Modelling of a Spatially-Efficient 3D Wireless Power Transfer System for Multi-User Charging

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Wang_2019_J._Phys. _Conf._Ser._1407_012104.pdf

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sword-2021-01-11T18:39:10.original.xml (130 B)
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Author(s)
Wang, Han-Wei
•
Wang, Nelson Xuntuo
•
Lang, Jeffrey H
Journal
Journal of Physics: Conference Series
Publisher
IOP Publishing
Version
Final published version
Abstract
© Published under licence by IOP Publishing Ltd. This paper presents the design, modelling and simulation of a wireless power transfer system with improved 3D spatial efficiency. It is shown that a rotational field driven by balanced magnetic coils carrying phase-shifted currents can achieve almost uniform efficiency in 3-D space. Both 2-coil and 3-coil transmitting systems are designed and studied. Effective mutual inductance is proposed to visualize the magnetic fields from a multiple transmitter system, and efficiency distributions are simulated. Different excitation modes including phase-shifted and non-phase-shifted currents are analysed and compared. The results provide an approach to the design and excitation of the 3D multiple-transmitting-coil system.
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DOI of Published Version
10.1088/1742-6596/1407/1/012104
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