Highly Resonant Wireless Power Transfer: Safe, Efficient and Over Distance

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  • Author: Dr. Morris Kesler

High quality factor resonators enable efficient energy transfer at lower coupling rates, i.e., at greater distances and/or with more positional freedom than is otherwise possible (and therefore, this approach is sometimes referred to as “highly resonant” wireless power transfer (HR-WPT)). The MIT team demonstrated the highly resonant technique using a magnetic field to transfer energy over a distance of two meters, and an industry was born. In some instances, this technology is also referred to as “magnetic resonance”, and it is often contrasted to “induction” for its ability to efficiently transfer power over a range of distances and with positional and orientational offsets.

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