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In order to study and compare the disturbances to the wireless power transmission (WPT) system caused by the presence of different metal obstacles, the equivalent parameters that determine the transmission efficiency of a two-coil WPT system are derived and analyzed by circuit theory. Then, the changing rules of equivalent parameters brought by three typical metals, are studied by a 3-D finite-element...
In order to study and to compare the disturbances caused by different typical metal obstacles in wireless power transmission system. Finite element method (FEM) with coupled electric circuit is adopted to obtain the system performance changes due to electromagnetic parameters differences among typical metal materials. By separating and comparing specific material parameters during operation, detailed...
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