Abstract：Aiming at the problem that electric vehicles need sectional constant current charging and the output current of wireless charging is susceptible to the influence of their own parameters and environmental changes, Application of circuit theory to analyze the dynamic characteristics of a dual LCC topology wireless charging system. A small signal model describing the disturbance of the system is established by EDF modeling method. A double closed-loop current-current loop system based on double LCC compensation topology is proposed to realize the self-tuning control of electric vehicle wireless charging. Finally, the simulation results show that the system can effectively reduce the dynamic response time and output current ripple coefficient. The experimental platform of wireless charging with resonant frequency of 85kHz is built to verify the correctness of the theory and simulation.
张献, 任年振, 杨庆新, 王杰. 电动汽车无线充电自整定控制[J]. 电工技术学报, 2020, 35(23): 4825-4834.
Zhang Xian, Ren Nianzhen, Yang Qingxin, Wang Jie. Research on Self-Tuning Control Strategy of Wireless Charging for Electric Vehicles. Transactions of China Electrotechnical Society, 2020, 35(23): 4825-4834.
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2020, Vol. 35 
