Abstract

this paper mainly focuses on the current closed-loop charging control strategy for lithium-ion batteries in the permanent magnet synchronous generator (PMSG) and PWM rectifier control system. Firstly, the authors present the charging characteristics of lithium-ion batteries with current open-loop and traditional current close-loop control strategy. Secondly, based on the theory of compound control calibration system , a current closed-loop strategy based on input feed-forward compensation is proposed, the contra-diction between improving the accuracy and ensuring the stability of the feedback control system is properly solved in this strategy, It also greatly improves the system's ability to respond to input signals. Performance of the proposed control strategy is verified by the simplified simulation model in the MATLAB SIMULINK software.

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