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International Journal of Photoenergy
Volume 2006, Article ID 73650, 8 pages
http://dx.doi.org/10.1155/IJP/2006/73650

Sizing stand-alone photovoltaic systems

1Department of Informatics & Communications, Technological Educational Institution of Serres, Terma Magnesias, P.O. Box 62124, Serres, Greece
2Department of Chemistry, Aristotle University of Thessaloniki, University Box 116, Thessaloniki 541 24, Greece
3Department of Natural Resources & Environment, Technological Educational Institution of Crete, Romanou 3, Chania 731 33, Greece
4Department of Production Engineering & Management, Technical University of Crete, University Campus, Chania 73100, Greece

Received 25 February 2005; Revised 28 August 2005; Accepted 5 September 2005

Copyright © 2006 A. Balouktsis et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A method of sizing stand-alone photovoltaic systems regarding the reliability to satisfy the load demand, economy of components, and discharge depth exploited by the batteries is presented in this work. Solar radiation data simulated by an appropriate stochastic time series model, and not actual measurements, are used in the sizing procedure. This offers two distinct advantages: (a) sizing can be performed even for locations where no actual data exist, (b) the influence of the variation of the statistical parameters of solar radiation in sizing can be examined. The method has been applied and tested for several representative locations all over Greece for which monthly daily average values of solar radiation are given by ELOT (Hellenic Organization of Standardization).