Adjustable wireless power transfer system using port‐selective switching coils | Zendy

Lee Gunbok | Zendy; Shin Yeon Gyeong | Zendy; Park Wee Sang | Zendy

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Adjustable wireless power transfer system using port‐selective switching coils

Author(s) -

Lee Gunbok,

Shin Yeon Gyeong,

Park Wee Sang

Publication year - 2016

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.29831

Subject(s) - wireless power transfer , electromagnetic coil , port (circuit theory) , electrical engineering , microwave , spiral (railway) , maximum power transfer theorem , engineering , electrical impedance , power (physics) , wireless , electronic engineering , telecommunications , physics , mechanical engineering , quantum mechanics

A port‐selective switching (PSS) coil that has multiple terminations on a typical spiral is proposed for an adjustable wireless power transfer system. The impedance of the coil can be changed by selecting a different input/output port location, which enables the coil system to be adjustable. A PSS coil that has five switches is fabricated. The transfer range at which efficiency exceeds 50% increases by 2.5 times for the single‐sided PSS system and by 5.5 times for the double‐sided PSS system compared with the conventional system. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1420–1423, 2016

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