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Resonance phenomena in wireless power supply systems

Filipiak M.

Computer Applications in Electrical Engineering

2016

Vol. 14

127--137

The article presents the prospects for application of wireless power supply in electronic devices. A short description of advantages of using this technology including the principle of its operation and construction of typical systems applied in devices of everyday use was provided. Two types of resonance systems used for wireless transmission of energy were presented. Also, advantages and disadvantages of using each of these systems were listed. Furthermore, the impedance and performance analyses of the wireless electric energy transmission systems were discussed. The performance characteristics were presented depending on several parameters in the three–dimensional form. The minimum quality factor of the resonance system, which allows the achievement of the high system performance at low interface between the primary and secondary coil winding was demonstrated. Two tested circuits were compared and the areas of application were determined for each of them. Difficulties related to maintenance of the circuit in resonance and to limitation of losses were determined.