Abstract
We propose a novel magnetic near field resonance wireless power transfer system based on high permittivity dielectric resonators. Magnetic dipole and magnetic quadrupole modes of the resonator are investigated as the operating modes of the WPT system. WPT efficiencies at two modes are investigated both numerically and experimentally. It has been demonstrated that the maximal efficiency of 60% at magnetic dipole mode and 93% at magnetic quadrupole mode can be achieved. Moreover, the system operating at magnetic quadrupole mode is proved to be more stable to the mutual orientation of the transmitter and receiver.
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