Quantitative comparison of dynamic flux distribution of magnetic couplers for roadway electric vehicle wireless charging system

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Original languageEnglish
Article number17A334
Journal / PublicationJournal of Applied Physics
Issue number17
Publication statusPublished - 7 May 2014
Externally publishedYes


This paper gives a quantitative comparison of magnetic couplers for electric vehicle (EV) wireless charging applications. Circular pad with ferrite spokes and coreless rectangular coils are specially selected for analysis. The dynamic flux density between couplers under high misalignment is studied by calculating the uncompensated power of the pick-up coupler. By using finite element analysis, the performance of each type of coupler is evaluated, and its adaptation to on-road EV charging are compared according to the flux distribution and effective charging area. © 2014 AIP Publishing LLC.