2023 № 4 Електротехніка і Електромеханіка

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Photovoltaic fault diagnosis algorithm using fuzzy logic controller based on calculating distortion ratio of values
(Національний технічний університет "Харківський політехнічний інститут", 2023) Lahiouel, Younes; Latreche, Samia; Khemliche, Mabrouk; Boulemzaoud, Lokmane
The efficiency of solar energy systems in producing electricity in a clean way. Reliance on it in industrial and domestic systems has led to the emergence of malfunctions in its facilities. During the operating period, these systems deteriorate, and this requires the development of a diagnostic system aimed at maintaining energy production at a maximum rate by detecting faults as soon as possible and addressing them. Goal. This work proposes the development of an algorithm to detect faults in the photovoltaic system, which based on fuzzy logic. Novelty. Calculate the distortion ratio of the voltage and current values resulting from each element in the photovoltaic system and processing it by the fuzzy logic controller, which leads to determining the nature of the fault. Results. As show in results using fuzzy logic control by calculating the distortion ratio of the voltage and current detect 12 faults in photovoltaic array, converter DC-DC and battery.