Abstract

This paper presents a research on the characteristics of wireless power transfer (WPT) system based on LCC/N magnetic integration compensation circuit. Compared with the traditional compensation circuits, the LCC/N compensation circuit has no compensation circuit on the secondary side and integrates the compensation inductor on the primary side into the transmitter. First, the two-port network considering the coupling relationship between magnetic integration compensation inductance and receiver coil is established. Then, based on the two-port network, the output impedance angle of the inverter, transmission power and efficiency of the WPT system employing LCC/N compensation circuit is analyzed under variations of coupling coefficient and load. Finally, the analysis of the characteristics of the WPT system based on the LCC/N magnetic integration compensation circuit is verified by simulations and experiments. And the results show that the analysis of characteristics is effective.

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