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Baikova, E. N., S. S. Valtchev, R. Melicio, and V. F. Pires, "Wireless power transfer impact on data channel", 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2016, pp. 582-587, 2016. Abstract
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Romba, L., S. Valtchev, and R. Melício, Wireless Energy Transfer with Three-Phase Magnetic Field System: Experimental Results, , 2016. Abstract
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Romba, L., S. Valtchev, and R. Melício, Wireless Energy Transfer with Three-Phase Magnetic Field System: Experimental Results, , 2016. Abstract
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Valtchev, S., R. Neves-Medeiros, A. Krusteva, G. Gigov, and P. Avramov, "A wireless energy transceiver based on induction heating equipment", 2014 16th International Power Electronics and Motion Control Conference and Exposition: Institute of Electrical {&} Electronics Engineers ({IEEE}), sep, 2014. Abstract
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Valtchev, S., "Wireless Energy and Low-Voltage DC Grids, Two Faces of Same Coin", 2018 IEEE 2nd International Electrical and Energy Conference (CIEEC): IEEE, 2018. Abstract
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Romba, L., {E. N. } Baikova, C. Borges, R. Melicio, and {S. S. } Valtchev, "Wireless battery charger for EV with circular or planar coils: comparison", Technological Innovation for Resilient Systems - 9th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2018, Proceedings: Springer New York LLC, pp. 214–223, 1, 2018. Abstract

This paper presents the experimental results obtained in the wireless energy transfer (WET) system prototype based on coils: circular or planar. With these experimental results we can choose the tuning settings to improve the efficiency of power transmission of the WET systems. In WET for electric vehicle batteries charging, the coil shape and the range between the coils are the most important issues of those systems.