Decision Support System for Photovoltaic Fault Detection Avoiding Meteorological Conditions

Roberto G. Aragón (), M. Eugenia Cornejo (), Jesús Medina, Juan Moreno-García () and Eloísa Ramírez-Poussa ()
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Roberto G. Aragón: Department of Mathematics, University of Cádiz, Cádiz, Spain
M. Eugenia Cornejo: Department of Mathematics, University of Cádiz, Cádiz, Spain
Jesús Medina: Department of Mathematics, University of Cádiz, Cádiz, Spain
Juan Moreno-García: ��Escuela de Ingeniería Industrial y Aeroespacial, Universidad de Castilla-La Mancha Toledo, Spain
Eloísa Ramírez-Poussa: Department of Mathematics, University of Cádiz, Cádiz, Spain

International Journal of Information Technology & Decision Making (IJITDM), 2022, vol. 21, issue 03, 911-932

Abstract: A fundamental issue about installation of photovoltaic solar power stations is the optimization of the energy generation and the fault detection, for which different techniques and methodologies have already been developed considering meteorological conditions. This fact implies the use of unstable and difficult predictable variables which may give rise to a possible problem for the plausibility of the proposed techniques and methodologies in particular conditions. In this line, our goal is to provide a decision support system for photovoltaic fault detection avoiding meteorological conditions. This paper has developed a mathematical mechanism based on fuzzy sets in order to optimize the energy production in the photovoltaic facilities, detecting anomalous behaviors in the energy generated by the facilities over time. Specifically, the incorrect and correct behaviors of the photovoltaic facilities have been modeled through the use of different membership mappings. From these mappings, a decision support system based on ordered weighted averaging operators informs of the performances of the facilities per day, by using natural language. Moreover, a state machine is also designed to determine the stage of each facility based on the stages and the performances from previous days. The main advantage of the designed system is that it solves the problem of “constant loss of energy production†, without the consideration of meteorological conditions and being able to be more profitable. Moreover, the system is also scalable and portable, and complements previous works in energy production optimization. Finally, the proposed mechanism has been tested with real data, provided by Grupo Energético de Puerto Real S.A. which is an enterprise in charge of the management of six photovoltaic facilities in Puerto Real, Cádiz, Spain, and good results have been obtained for faulting detection.

Keywords: Photovoltaic energy generation; faults detection; OWA operator; fuzzy sets (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0219622022500080

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