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Fig. 1 | EURASIP Journal on Wireless Communications and Networking

Fig. 1

From: An improved three-coil wireless power link to increase spacing distance and power for magnetic resonant coupling system

Fig. 1

Structure diagram of three-coil power link and experimental system. a The working principle of the three-coil wireless charging system. The waveform is generated through the DDS circuit. After multilevel amplification, the power is loaded onto the resonant coil. b The way of power loading, which improves the power conversion efficiency by the way of central feeding. The power supply prototype used in the experiment is shown in c. a The structure diagram of three-coil power link. b The way of feed. c The dashboard of power amplifier

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