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Capacitive power transfer has many important merits including less heating, less effect from metal barriers and more material options. But its positional characteristics had not been studied quantitatively and generically enough. This study analyzed the capacitive power transfer with the same manner as magnetic resonance. The analysis on the equivalent circuit model showed the positional characteristics...
The transfer efficiency between a transmission coil and a reception coil for wireless power transfer via magnetic resonance is a function of the orientation between the coils. When two coils share a single axis, the transfer efficiency is maximal, but otherwise the efficiency becomes lower. In this paper, a wireless power transfer system via magnetic resonance using a transmission coil array is proposed...
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