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Four-Coil Wireless Power Transfer Using Resonant Inductive Coupling, Sravan Annam
Four-Coil Wireless Power Transfer Using Resonant Inductive Coupling, Sravan Annam
Electrical Engineering Theses
With the developments of mobile and implantable devices, wireless power transfer (WPT) has become increasingly attractive to free a variety of electronic systems from power cords and batteries. Resonant inductive coupling is the leading technology of WPT, offering high efficiencies (>75%) with power levels from microwatts to hundreds of watts. This thesis focuses on a resonant four-coil inductive WPT technology. It develops numerical models of the four-coil WPT system (incorporated into a Matlab simulator) and validates them by experiment. It then develops numerical tools using Matlab for computing self- and mutual inductances for inductors of arbitrary shape and orientations …