Discrete-Time Distributed Control of Battery Energy Storage Systems Under Directed Graph
2023 42nd Chinese Control Conference (CCC)(2023)
摘要
This paper studies the distributed control of battery energy storage systems with directed communication topology. A discrete time distributed control method for SoC(state-of-charge) consensus is proposed based on directed graph. Firstly, a distributed finite-time tracking algorithm is presented to estimate the average unbalanced power given by dispatch center, as well as the average of the variables used to calculate the power of each battery. Secondly, a finite-time iterative method is proposed to make the directed graph be balanced. Then, combined with the multi-rate control, the power allocation and SoC consensus are realized. Finally, the effectiveness of the proposed methods is verified through simulation examples.
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关键词
Energy storage system,directed graph,distributed control,SoC
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