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This work focuses on measuring precise values of passive elements such resistors, inductors and capacitors through non-contact means through inductive coupling for series and parallel. Resonant circuit is used for selective identification of high frequency components. However, if one of the circuit components such as the inductance, capacitance or resistance is made to vary, it will cause a change...
In this paper, power transfer characteristics using resonance coupling between four-coils are experimentally shown and compared. Even though each circuit resonates in same frequency, optimum power efficiency is determined by its LC values of source and load due to coupling effects. Optimized four-coil system can achieve the efficiency of over 90% with fixed distance.
In this paper a low cost prototype of wireless power transfer system based on air coupling is presented. The system here proposed can be useful for electric vehicle (EV) battery charging systems. It consists mainly of two copper wire coils, placed one in front of the other on the same axis. The inductor coil can easily be placed under the road surface (in a parking), while the other (the receiver...
Design of an optimized RF transcutaneous link through inductive coils is an arduous design process which involves complex mathematical modeling to search for optimized design parameters. This paper presents a generalized model which encompasses all possible voltage driven circuit realizations of an inductive link and presents a comparison on the bases of link efficiency and voltage gain. Mathematical...
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