An investigation into hot-spots in two large grid-connected PV plants

Muñoz Cano, Javier and Lorenzo Pigueiras, Eduardo and Martinez Moreno, Francisco and Marroyo, Luis and García, Miguel (2008). An investigation into hot-spots in two large grid-connected PV plants. "Progress in Photovoltaics", v. 16 (n. 8); pp. 693-701. ISSN 1062-7995. https://doi.org/10.1002/pip.844.

Description

Title: An investigation into hot-spots in two large grid-connected PV plants
Author/s:
  • Muñoz Cano, Javier
  • Lorenzo Pigueiras, Eduardo
  • Martinez Moreno, Francisco
  • Marroyo, Luis
  • García, Miguel
Item Type: Article
Título de Revista/Publicación: Progress in Photovoltaics
Date: December 2008
ISSN: 1062-7995
Volume: 16
Subjects:
Freetext Keywords: hot-spot;grid-connection;azimuthal one-axis tracking
Faculty: E.U.I.T. Industrial (UPM)
Department: Electrónica, Automática e Informática Industrial [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper details an investigation into the appearance of hot-spots in two large grid-connected photovoltaics (PV) plants, which were detected after the visual inspection of trackers whose energy output was decreasing at anomalous rate. Detected hot-spots appeared not only in the solar cells but also in resistive solder bonds (RSB) between cells and contact ribbons. Both types cause similar irreversible damage to the PV modules, but the latter are the main responsible for the detected decrease in energy output, which was confirmed in an experimental testing campaign. The results of this investigation, for example, how hot-spots were detected or their impact on the output power of PV modules, may be of interest for the routine maintenance of large grid-connected PV plants.

More information

Item ID: 14018
DC Identifier: http://oa.upm.es/14018/
OAI Identifier: oai:oa.upm.es:14018
DOI: 10.1002/pip.844
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pip.844/abstract
Deposited by: Memoria Investigacion
Deposited on: 21 Dec 2012 10:54
Last Modified: 21 Apr 2016 13:29
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