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Detecting Defective Bypass Diodes in Photovoltaic Modules using Mamdani Fuzzy Logic System

Dhimish, Mahmoud, Holmes, Violeta, Mehrdadi, Bruce, Dales, Mark and Mather, Peter (2017) Detecting Defective Bypass Diodes in Photovoltaic Modules using Mamdani Fuzzy Logic System. Global Journal of Researches in Engineering: F Electrical and Electronics Engineering, 17 (5). pp. 33-44. ISSN 0975-5861

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Abstract

In this paper, the development of fault detection method for PV modules defective bypass diodes is presented. Bypass diodes are nowadays used in PV modules in order to enhance the output power production during partial shading conditions. However, there is lack of scientific research which demonstrates the detection of defective bypass diodes in PV systems. Thus, this paper propose a PV bypass diode fault detection classification based on Mamdani fuzzy logic system, which depends on the analysis of Vdrop, Voc , and Isc obtained from the I-V curve of the examined PV module. The fuzzy logic system depends on three inputs, namely percentage of voltage drop (PVD), percentage of open circuit voltage (POCV), and the percentage of short circuit current (PSCC). The proposed fuzzy system can detect up to 13 different faults associated with defective and non-defective bypass diodes. In addition, the proposed system was evaluated using two different PV modules under various defective bypass conditions. Finally, in order to investigate the variations of the PV module temperature during defective bypass diodes and partial shading conditions, i5 FLIR thermal camera was used.

Item Type: Article
Uncontrolled Keywords: Photovoltaic module; Fault detection; Fuzzy logic; Thermal detection; Bypass diodes
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TS Manufactures
Schools: School of Computing and Engineering
Related URLs:
Depositing User: Mahmoud Dhimish
Date Deposited: 27 Oct 2017 10:44
Last Modified: 01 Nov 2017 14:54
URI: http://eprints.hud.ac.uk/id/eprint/33779

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