Receiver power allocation and transmitter power control analysis for multiple-receiver wireless power transfer systems

Receiver power allocation and transmitter power control analysis for multiple-receiver wireless power transfer systems

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As different power has its own receivers, this paper analyzes and designs a multiple-receiver wireless power transfer (WPT) system systematically.The equivalent circuit model of the system is established to analyze the charger for dell latitude 3520 key parameters including transmitter power, receiver power, transmission efficiency, and each receiver power allocation.A control circuit is proposed to achieve the maximum transmission efficiency and transmitter power control and arbitrary receiver power allocation ratios for different game of thrones jon snow poster receivers.Through the proposed control circuit, receivers with different loads can allocate appropriate power according to its power demand, the transmitter power and system efficiency do not vary with the change of the number of receivers.Finally, this control circuit is validated using a 130-kHz WPT system with three receivers whose power received is 3:10:12, and the overall system efficiency can reach as high as 55.

5%.