Voltage H8 control of a vanadium redox flow battery
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Redox flow batteries are one of the most relevant emerging large-scale energy storage technologies. Developing control methods for them is an open research topic; optimizing their operation is the main objective to be achieved. In this paper, a strategy that is based on regulating the output voltage is proposed. The proposed architecture reduces the number of required sensors. A rigorous design methodology that is based on linear H8 synthesis is introduced. Finally, some simulations are presented in order to analyse the performance of the proposed control system. The results show that the obtained controller guaranties robust stability and performance, thus allowing the battery to operate over a wide range of operating conditions. Attending to the design specifications, the controlled voltage follows the reference with great accuracy and it quickly rejects the effect of sudden current changes.
CitationClemente, A.; Andres, G.; Costa-Castelló, R. Voltage H8 control of a vanadium redox flow battery. "Electronics", 24 Setembre 2020, vol. 9, núm. 10, p. 1567:1-1567:24.