Effect of soiling in CPV systems

Vivar García, Marta; Herrero Martin, Rebeca; Anton Hernandez, Ignacio; Martinez Moreno, Francisco; Moreton Villagra, Rodrigo; Sala Pano, Gabriel; Blakers, Andrew W. y Smeltink, John (2010). Effect of soiling in CPV systems. "Solar Energy", v. 84 (n. 7); pp. 1327-1335. ISSN 0038-092X. https://doi.org/10.1016/j.solener.2010.03.031.


Título: Effect of soiling in CPV systems
  • Vivar García, Marta
  • Herrero Martin, Rebeca
  • Anton Hernandez, Ignacio
  • Martinez Moreno, Francisco
  • Moreton Villagra, Rodrigo
  • Sala Pano, Gabriel
  • Blakers, Andrew W.
  • Smeltink, John
Tipo de Documento: Artículo
Título de Revista/Publicación: Solar Energy
Fecha: Julio 2010
Volumen: 84
Palabras Clave Informales: Concentration; Soiling; Losses; Field performance
Escuela: E.T.S.I. Telecomunicación (UPM)
Departamento: Electrónica Física
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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The effect of soiling in flat PV modules has been already studied, causing a reduction of the electrical output of 4% on average. For CPV's, as far as soiling produces light scattering at the optical collector surface, the scattered rays should be definitively lost because they cannot be focused onto the receivers again. While the theoretical study becomes difficult because soiling is variable at different sites, it becomes easier to begin the monitoring of the real field performance of concentrators and then raise the following question: how much does the soiling affect to PV concentrators in comparison with flat panels?? The answers allow to predict the PV concentrator electrical performance and to establish a pattern of cleaning frequency. Some experiments have been conducted at the IES-UPM and CSES-ANU sites, consisting in linear reflective concentration systems, a point focus refractive concentrator and a flat module. All the systems have been measured when soiled and then after cleaning, achieving different increases of ISC. In general, results show that CPV systems are more sensitive to soiling than flat panels, accumulating losses in ISC of about 14% on average in three different tests conducted at IESUPM and CSES-ANU test sites in Madrid (Spain) and Canberra (Australia). Some concentrators can reach losses up to 26% when the system is soiled for 4 months of exposure.

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ID de Registro: 22357
Identificador DC: http://oa.upm.es/22357/
Identificador OAI: oai:oa.upm.es:22357
Identificador DOI: 10.1016/j.solener.2010.03.031
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0038092X1000157X
Depositado por: Memoria Investigacion
Depositado el: 11 Feb 2014 17:36
Ultima Modificación: 21 Abr 2016 14:15
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