Distributed Coordinated Control Battery Energy Storage System Based on Consensus Algorithm
2023 IEEE International Conference on Unmanned Systems (ICUS)(2023)
摘要
A new distributed fixed time secondary control strategy is proposed for the battery energy storage system of DC microgrids. It has the advantages of fast convergence speed and strong reliability. This control strategy estimates the average voltage of the system based on a voltage observer, and takes the estimated average voltage, proportional current, and energy level of the battery energy storage unit as consistent variables. A distributed secondary controller is designed based on a fixed time algorithm. Finally, the uniform convergence of the control strategy is analyzed using the Lyapunov stability criterion; And the effectiveness of the proposed control strategy was verified through simulation.
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关键词
DC microgrid,battery energy storage system,distributed control,fixed time control
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