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Open AccessArticle

Multi-Objective Fuzzy Logic-Based Energy Management System for Microgrids with Battery and Hydrogen Energy Storage System

1
Department of Electronic Engineering, Computer Systems and Automatic, University of Huelva, 21007 Huelva, Spain
2
Instituto Nacional de Técnica Aeroespacial, INTA (Spanish Institute Aerospace Technique); Ctra. San Juan del Puerto, Km. 33, 21130 Mazagón, Spain
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(7), 1074; https://doi.org/10.3390/electronics9071074
Received: 19 May 2020 / Revised: 21 June 2020 / Accepted: 26 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Intelligent Modelling and Control in Renewable Energy Systems)
This paper proposes a fuzzy logic-based energy management system (EMS) for microgrids with a combined battery and hydrogen energy storage system (ESS), which ensures the power balance according to the load demand at the time that it takes into account the improvement of the microgrid performance from a technical and economic point of view. As is known, renewable energy-based microgrids are receiving increasing interest in the research community, since they play a key role in the challenge of designing the next energy transition model. The integration of ESSs allows the absorption of the energy surplus in the microgrid to ensure power supply if the renewable resource is insufficient and the microgrid is isolated. If the microgrid can be connected to the main power grid, the freedom degrees increase and this allows, among other things, diminishment of the ESS size. Planning the operation of renewable sources-based microgrids requires both an efficient dispatching management between the available and the demanded energy and a reliable forecasting tool. The developed EMS is based on a fuzzy logic controller (FLC), which presents different advantages regarding other controllers: It is not necessary to know the model of the plant, and the linguistic rules that make up its inference engine are easily interpretable. These rules can incorporate expert knowledge, which simplifies the microgrid management, generally complex. The developed EMS has been subjected to a stress test that has demonstrated its excellent behavior. For that, a residential-type profile in an actual microgrid has been used. The developed fuzzy logic-based EMS, in addition to responding to the required load demand, can meet both technical (to prolong the devices’ lifespan) and economic (seeking the highest profitability and efficiency) established criteria, which can be introduced by the expert depending on the microgrid characteristic and profile demand to accomplish. View Full-Text
Keywords: energy management system; fuzzy logic controller; renewable source-based microgrid; battery and hydrogen energy storage system energy management system; fuzzy logic controller; renewable source-based microgrid; battery and hydrogen energy storage system
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Vivas, F.J.; Segura, F.; Andújar, J.M.; Palacio, A.; Saenz, J.L.; Isorna, F.; López, E. Multi-Objective Fuzzy Logic-Based Energy Management System for Microgrids with Battery and Hydrogen Energy Storage System. Electronics 2020, 9, 1074.

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