KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Wireless Power Transfer System Based on Semi-random Magnetic Flux
Authors	허준(Heo, Joon) ; 전성즙(Jeon, Seong-Jeub)
DOI	https://doi.org/10.5370/KIEE.2017.66.8.1222
Page	pp.1222-1229
ISSN	1975-8359
Keywords	Wireless power transfer system ; Semi-random magnetic flux ; Resonance ; Full compensation
Abstract	In this paper, a wireless power transfer system with semi-random magnetic flux is studied. Directions of semi-random magnetic flux are changing almost randomly which can induce voltages at coils irrelevantly to coil's posture. So, very convenient charging is possible. Semi-random magnetic flux can be generated by a coil system which has three coils perpendicular to each other and carrying currents with different frequencies. A prototype for charging mobile devices is constructed and tested, and the proposal is verified.

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