Long range inductive power transfer with superconducting oscillators
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Abstract Resonant inductive power transfer has demonstrated the transfer of 60 W at distances in excess of 2 m with as much as 40% efficiency. The loss mechanisms include internal dissipation and radiated power. By constructing superconducting oscillators and operating at lower frequencies, both of these loss mechanisms are reduced, and this same power can be transferred at distances in excess of 100 m. A performance analysis of such a system is presented, along with proposed low-loss coil and capacitor designs to achieve this performance.
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