Publication Date : 22/07/2021

Author(s) :

Ibrahim A U, Sule M, Muhammad S, Umar A H.

Volume/Issue :
Volume 16
Issue 3
(07 - 2021)

Abstract :

Coil magnetic design is an important aspect of evaluating the performance of an Inductive Power Transfer (IPT) system. This work presents a review on some selected papers that explored techniques of increasing magnetic coupling coefficient ‘k’ and inductor quality factor ‘Q’ of an IPT coil. These two critical parameters ‘kQ’ dictate the maximum efficiency, and can independently or collectively be optimized to achieve higher efficiency of the system. This paper provides a motivation for the need of alternative solutions to degrade extended magnetic flux in IPT system. The paper presents state-of –the-art of ‘kQ’ improvement methods. It also identifies a trend for coil optimization to provide an insightful review which may motivate future contribution and exposes new possibilities. Keywords: Coil quality factor; coupling coefficient; inductive power transfer; optimization, magnetic stray field

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