Variable-Phase Contactless Energy Transfer Desktop Part I: Design,

C.L.W. Sonntag, E.A. Lomonova, J.L. Duarte

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

14 Citations (Scopus)
2 Downloads (Pure)

Abstract

In this paper, the design of a variable-phasecontactless energy transfer desktop is presented. The CET desktop has the ability to power and recharge small electronic devices, such as cellular phones, music- and multimedia players, PDA’s and laptops lying on its surface. As the devices are placed on the table, power is transferred through the mutual inductance between their respective embedded windings. Furthermore, by altering the primary windings’ current phases, it is shown that the stray magnetic field is reduced without affecting the power transfer. This work focuses on the design of the variable-phase contactlessenergy transfer desktop starting with the theory of operation, optimization of the windings and solving the power transfer equations to comply with the presented system specifications. Thereafter, the variable-phase operations are explained and the implementation of the system shortly discussed. Finally, powertransfer simulations are compared against the measured results from the implemented system. The easurements and calculated results show excellent agreement.
Original languageEnglish
Title of host publicationProc. 11th International Conference on Electrical Machines and Systems, 17-20-2010
Place of PublicationWuhan, China
PublisherICEMS
Pages4460-4465
Publication statusPublished - 2008

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