Wireless Power Transfer (WPT) applications have been used to provide an efficient energy transfer. With the developing technology, WPT has started to be applied in many areas such as mobile phone charging, electric vehicle charging, lighting and control. The magnetic resonance method is highly preferred for WPT, especially at distances where the air gap is short, due to its features such as high efficiency and little negative impact on the environment. In WPT systems based on this method, a high-efficiency WPT transformer is used to increase system efficiency. In this study, the design and analysis of a WPT system was carried out using the magnetic resonance method. For this purpose, first of all, an original transformer was designed. The windings of the transformer are designed as litz conductors. In order to minimize the leakage fluxes that occur in the transformer, aluminum plates are used on the outer surfaces of the windings to keep the leakage magnetic flux between the windings. Magnetic analyzes of the transformer, modeled with ANSYS-Maxwell based on Finite Element Method (FEM), were carried out and the results obtained were verified with theoretical calculations. Using the results obtained from the magnetic field analysis, it has been seen that the WPT transformer performs power transfer with an efficiency of 95%. The results show that the designed transformer model can be used efficiently in WPT applications.
Arslan Tekin Mehmet (Wed,) studied this question.
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