Early degradation of silicon PV modules and guaranty conditions

Muñoz-García, Miguel Angel; Alonso Garcia, M. Carmen; Vela, Nieves y Chenlo, Faustino (2011). Early degradation of silicon PV modules and guaranty conditions. "Solar Energy", v. 85 (n. 9); pp. 2264-2274. ISSN 0038-092X. https://doi.org/10.1016/j.solener.2011.06.011.


Título: Early degradation of silicon PV modules and guaranty conditions
  • Muñoz-García, Miguel Angel
  • Alonso Garcia, M. Carmen
  • Vela, Nieves
  • Chenlo, Faustino
Tipo de Documento: Artículo
Título de Revista/Publicación: Solar Energy
Fecha: Septiembre 2011
Volumen: 85
Palabras Clave Informales: UPM, ReGENERA, CIEMAT, Solar Energy, Photovoltaics, Degradation, light soaking
Escuela: E.U.I.T. Agrícolas (UPM)
Departamento: Ingeniería Rural [hasta 2014]
Licencias Creative Commons: Ninguna

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The fast growth of PV installed capacity in Spain has led to an increase in the demand for analysis of installed PV modules. One of the topics that manufacturers, promoters, and owners of the plants are more interested in is the possible degradation of PV modules. This paper presents some findings of PV plant evaluations carried out during last years. This evaluation usually consists of visual inspections, I–V curve field measurements (the whole plant or selected areas), thermal evaluations by IR imaging and, in some cases, measurements of the I–V characteristics and thermal behaviours of selected modules in the plant, chosen by the laboratory. Electroluminescence technique is also used as a method for detecting defects in PV modules. It must be noted that new defects that arise when the module is in operation may appear in modules initially defect-free (called hidden manufacturing defects). Some of these hidden defects that only appear in normal operation are rarely detected in reliability tests (IEC61215 or IEC61646) due to the different operational conditions of the module in the standard tests and in the field (serial-parallel connection of many PV modules, power inverter influence, overvoltage on wires, etc.)

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ID de Registro: 10081
Identificador DC: http://oa.upm.es/10081/
Identificador OAI: oai:oa.upm.es:10081
Identificador DOI: 10.1016/j.solener.2011.06.011
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0038092X11002143
Depositado por: Profesor Titular de Universidad (interino) Miguel Angel /M.A. Muñoz-García
Depositado el: 23 Ene 2012 08:57
Ultima Modificación: 20 Abr 2016 18:20
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