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In this paper the possibility of achieving a coupling-independent operating regime for a Wireless Power Transfer Link based on resonant inductive coupling is theoretically and experimentally investigated. The two different cases of a link using either asynchronous or synchronous resonators are analyzed and discussed. It is shown that a coupling-independent regime can be realized by an appropriate...
This paper provides a rigorous theoretical formulation to obtain an inductive resonant wireless power transfer (WPT) link with load-independent output voltage or current. This is a crucial working condition for wireless battery recharging, where there is no deterministic knowledge of load variation with respect to the battery charging level. The ideal lossless and the realistic lossy configurations...
In this paper the feasibility of achieving a coupling-independent performance for a Wireless Power Transfer Link based on resonant inductive coupling is investigated. Theoretical and experimental results demonstrating that a coupling-independent regime can be realized by an appropriate selection of the operating frequency of a strongly-coupled synchronous WPT link are reported and discussed.
This contribution briefly shows the main characteristics of a system that combines power and data transfer in a single device; in particular, the Wireless Power Transfer channel is used also as data transfer when it is embedded into a Power Line Communication environment. This is achieved by the use of specifically designed filters and has the main advantage of retaining the data transfer capability...
We deal with the design of a wireless power transfer link realized by coupled inductors. It is shown that, for given values of the coupling coefficient and quality factors, by specifying the desired input and output resistances we can find the values of the inductances that realize the maximally efficient wireless power transfer link. Numerical and experimental verifications of the proposed approach...
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