A Type-2 Fuzzy Controller to Enable the EFR Service from a Battery Energy Storage System

Sergio Cantillo-Luna, Ricardo Moreno-Chuquen, Francisco Gonzalez-Longatt and Harold R. Chamorro
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Sergio Cantillo-Luna: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Ricardo Moreno-Chuquen: Faculty of Engineering, Universidad Autónoma de Occidente, Cali 760030, Colombia
Francisco Gonzalez-Longatt: Department of Electrical Engineering, Information Technology and Cybernetics, University of South-Eastern Norway, 3918 Porsgrunn, Norway
Harold R. Chamorro: Department of Electrical Engineering, KTH, Royal Institute of Technology, 114 28 Stockholm, Sweden

Energies, 2022, vol. 15, issue 7, 1-13

Abstract: The increased use of distributed energy resources, especially electrical energy storage systems (EESS), has led to greater flexibility and complexity in power grids, which has led to new challenges in the operation of these systems, with particular emphasis on frequency regulation. To this end, the transmission system operator in Great Britain has designed a control scheme known as Enhanced Frequency Response (EFR) that is especially attractive for its implementation in EESS. This paper proposes a Type-2 fuzzy control system that enables the provision of EFR service from a battery energy storage system in order to improve the state-of-charge (SoC) management while providing EFR service from operating scenarios during working and off-duty days. The performance of the proposed controller is compared with a conventional FLC and PID controllers with similar features. The results showed that in all scenarios, but especially under large frequency deviations, the proposed controller presents a better SoC management in comparison without neglecting the EFR service provision.

Keywords: battery energy storage systems; enhanced frequency response; state-of-charge control; type-2 fuzzy logic controller (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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