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Voltage H∞ Control of a Vanadium Redox Flow Battery
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 H∞ 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 ; This research was funded by the CSIC under the PTI FLOWBAT 2021 project (reference: 642 201980E101), the Spanish Ministry of Economy and Competitiveness under Project DOVELAR ref. RTI2018-096001-B-C32 (MCIU/AEI/FEDER, UE), María de Maeztu Seal of Excellence to IRI (MDM-2016-0656), and by the Generalitat de Catalunya through the Project 2017 SGR 482.
Voltage H∞ Control of a Vanadium Redox Flow Battery
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 H∞ 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 ; This research was funded by the CSIC under the PTI FLOWBAT 2021 project (reference: 642 201980E101), the Spanish Ministry of Economy and Competitiveness under Project DOVELAR ref. RTI2018-096001-B-C32 (MCIU/AEI/FEDER, UE), María de Maeztu Seal of Excellence to IRI (MDM-2016-0656), and by the Generalitat de Catalunya through the Project 2017 SGR 482.
Voltage H∞ Control of a Vanadium Redox Flow Battery
Clemente, Alejandro (author) / Andrés, Germán (author) / Costa Castelló, Ramon (author) / Consejo Superior de Investigaciones Científicas (España) / Ministerio de Ciencia, Innovación y Universidades (España) / Agencia Estatal de Investigación (España) / European Commission / Ministerio de Economía y Competitividad (España) / Generalitat de Catalunya
2020-09-24
Article (Journal)
Electronic Resource
English
DDC:
690
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