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A Study of Loosely Coupled Coils for Wireless Power Transfer

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4 Author(s)
Chih-Jung Chen ; Dept. of Commun. Navig. & Control Eng., Nat. Taiwan Ocean Univ., Keelung, Taiwan ; Tah-Hsiung Chu ; Chih-Lung Lin ; Zeui-Chown Jou

Nonradiative wireless power transfer using magnetically coupled coils is studied in order to transfer a predetermined amount of power at the maximum efficiency. Accordingly, a conceptual wireless power transfer system and a tuning method are presented. Such a study is essential for effectively exploiting the inherent ability of a given pair of coupled coils. With the equations for inductance and resistance calculations, the system performance is evaluated and verified with well-known experimental results and circuit simulations.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:57 ,  Issue: 7 )