Journal
SOLAR ENERGY
Volume 116, Issue -, Pages 247-256Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2015.02.048
Keywords
I-V curves analysis; Graphical electrical signatures; Shadow; Dust; Failure detection; Monitoring system
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The current literature has an important lack of knowledge on the various types of failures in terrestrial PV systems. This works seeks to remedy this issue by proposing a new method to detect failures based on simple electrical measurements. This helps to maximize the PV power production and to improve the knowledge of the environmental impact on premature failures. To validate this approach, this work proposes the analysis of numerous I-V curves under failure conditions. These curves are reproduced experimentally on a PV central, validating the proposed method. (c) 2015 Elsevier Ltd. All rights reserved.
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