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Masa Bote, Daniel and Caamaño Martín, Estefanía (2014). Methodology for estimating building integrated photovoltaics electricity production under shadowing conditions and case study. "Renewable and Sustainable Energy Reviews", v. 31 ; pp. 492-500. ISSN 1364-0321. https://doi.org/10.1016/j.rser.2013.12.019.
Title: | Methodology for estimating building integrated photovoltaics electricity production under shadowing conditions and case study |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Renewable and Sustainable Energy Reviews |
Date: | March 2014 |
ISSN: | 1364-0321 |
Volume: | 31 |
Subjects: | |
Freetext Keywords: | BIPV; Shading; System performance |
Faculty: | Instituto de Energía Solar (IES) (UPM) |
Department: | Electrónica Física |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Building integrated photovoltaic (BIPV) systems are a relevant application of photovoltaics. In countries belonging to the International Energy Agency countries, 24% of total installed PV power corresponds to BIPV systems. Electricity losses caused by shadows over the PV generator have a significant impact on the performance of BIPV systems, being the major source of electricity losses. This paper presents a methodology to estimate electricity produced by BIPV systems which incorporates a model for shading losses. The proposed methodology has been validated on a one year study with real data from two similar PV systems placed on the south façade of a building belonging to the Technical University of Madrid. This study has covered all weather conditions: clear, partially overcast and fully overcast sky. Results of this study are shown at different time scales, resulting that the errors committed by the best performing model are below 1% and 3% in annual and daily electricity estimation. The use of models which account for the reduced performance at low irradiance levels also improves the estimation of generated electricity.
Item ID: | 35591 |
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DC Identifier: | https://oa.upm.es/35591/ |
OAI Identifier: | oai:oa.upm.es:35591 |
DOI: | 10.1016/j.rser.2013.12.019 |
Official URL: | http://www.sciencedirect.com/science/article/pii/S... |
Deposited by: | Memoria Investigacion |
Deposited on: | 02 Dec 2015 17:41 |
Last Modified: | 16 May 2019 11:54 |