Abstract
Wireless power transfer (WPT) is an exciting technology that attempts to transfer energy via loosely coupled inductors. This paper suggests an automated system in which load side impedance matching is utilized to regulate power to a variable load. Such a scheme requires proper selection of topology and component values so that reactance is not a function of load resistance or coupling. Since the maximum power point (MPP) and maximum efficiency point (MEP) do not arise at the same load resistance, careful selection of resistance must be made so efficiency is maximized while target power is maintained. The result is a system that is quick, accurate, simple, robust, and operates without the need of a backward communications link.
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