Abstract

Plug-in hybrid vehicle charging piles are an important part of the smart grid, and electric vehicles are also an important means of alleviating energy shortages and environmental degradation. This article analyzes the influencing factors from three factors that determine the charging power. Finally, the charging power, charging demand and charging time are determined one by one to model the charging load of the electric vehicle. For the working frequency range of different equivalent resistances, wireless charging PID controller, battery charging state analysis, the equivalent resistances of different stages of the battery are studied, and the transmission efficiency of wireless charging technology is optimized, so that the transmitting mutual inductance coil is opposite to the receiving coil The offset is minimized to maximize the charging efficiency and simulations are performed. Simulation results from the final wireless charging technology of the car show that the wireless charging technology has a better effect.

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