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Used as the transmitting and receiving elements, coils are the most popular elements for wireless power transfer. The parasitic coil or LC booster coil has been used as the part of the receiving element and reported to be effective to increase the wireless Power transfer efficiency so far. In this paper, the maximum transfer efficiency of the wireless power system by using parasitic coil will be calculated...
Impedance matching is very important technique to improve the efficiency of transmitting or receiving system not only for wireless communication system but also for wireless power transfer(WPT) system. However, most lumped matching circuits have been designed by using reactive components such as inductors and capacitors without consideration of their ohmic losses. An exact approach to design the lumped...
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