期刊
SUPERLATTICES AND MICROSTRUCTURES
卷 127, 期 -, 页码 139-150出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2017.12.037
关键词
Solar energy; Soiling effect; Solar PV glass; ANN application; PAWN sensitivity analysis
资金
- Moroccan Research Institute IRESEN (Institut de Recherche en Energie Solaire et Energies Nouvelles)
- CONACYT-SENER project [254667]
In the present work, an Artificial Neural Network (ANN) methodology for studying and modeling the soiling effect on solar photovoltaic (PV) glass is presented. To perform the study, a solar PV glazing was exposed outdoor at the home solar energy platform of Physic of Semi-conductors and Solar Energy research structure (PSES) at Mohammed V University in Rabat, Morocco. Regular measurements from April 20, to December 31, 2016, were carried out to monitor the soiling rate changes over time. Meteorological data were used as input variables for ANN modeling. The model performance was evaluated using a statistical comparison between experimental and simulated values. Results show that the implementation of Levenberg-Marquardt backpropagation algorithm, and the active functions Tansig, and Purline achieve the best estimations (R-2 = 0.928) in an ANN architecture 6-35-1. Additionally, a sensitivity analysis approach was employed to determine the effect of input parameters on model output and the behavior of the model with the variation of each input parameter. Sensitivity analysis results indicate that the most influential parameter for PV soiling rate was the relative humidity, followed by wind direction. The ANN model coupled with sensitivity analysis show be a promising framework for its application in smart sensors on cleaning systems for PV modules to improve their operational efficiency. (C) 2017 Elsevier Ltd. All rights reserved.
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