Progress In Electromagnetics Research M
ISSN: 1937-8726
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By S. Sahany, S. S. Biswal, D. P. Kar, P. K. Sahoo, and S. Bhuyan

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The design guidelines have been proposed for achieving efficient wireless Electric Vehicle (EV) charging system under non-ideal practical scenarios. The effects of operating parameters have been investigated by addressing the fundamental hurdle to the widespread usage of magnetic resonance coupling (MRC) based wireless EV charging system. From both experimental and simulated results, it has been perceived that the power transfer efficiency (PTE) depreciates rapidly as the charging condition deviates from the ideal one. It is observed that PTE can be managed to enhance from the deteriorated value to an acceptable level through proper consideration of separation air gap of the charging coils, frequency of operation with acceptable horizontal offsets, suitable coil models, position of metallic object and coil properties. To maintain the maximum PTE even under non-ideal scenario, an automated frequency tuning method has also been delineated. The corroborated experimental and simulated results can provide a complete strategic plan in the design of an efficient practical wireless power transfer system to be utilized for EV charging system.

S. Sahany, S. S. Biswal, D. P. Kar, P. K. Sahoo, and S. Bhuyan, "Impact of Functioning Parameters on the Wireless Power Transfer System Used for Electric Vehicle Charging," Progress In Electromagnetics Research M, Vol. 79, 187-197, 2019.

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