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International Journal of Photoenergy
Volume 2008, Article ID 356261, 7 pages
http://dx.doi.org/10.1155/2008/356261
Research Article

RMS Current of a Photovoltaic Generator in Grid-Connected PV Systems: Definition and Application

IDEA Group, Department of Electronic Engineering, University of Jaén, 23071 Jaén, Spain

Received 18 September 2007; Accepted 19 February 2008

Academic Editor: Ugo Mazzucato

Copyright © 2008 P. J. Pérez 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

This paper includes a definition of a new and original concept in the photovoltaic field, RMS current of a photovoltaic generator for grid-connected systems. The RMS current is very useful for calculating energy losses in cables used in a PV generator. As well, a current factor has been defined in order to simplify RMS current calculation. This factor provides an immediate (quick and easy) calculation method for the RMS current that does not depend on the case particular conditions (orientation, location, etc.). RMS current and current factor values have been calculated for different locations and modules.