Determination of Yearly Fixed Optimal Tilt Angle for Flat-Plate Photovoltaic Modules Based on Perez Transposition Model
American Journal of Software Engineering and Applications
Volume 6, Issue 3, June 2017, Pages: 80-84
Received: Jan. 3, 2017; Accepted: Jan. 10, 2017; Published: Jun. 12, 2017
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Authors
Okon Dominic Ekanem, Department of Electrical/Electronic Engineering, Federal University of Technology Owerri (FUTO), Owerri, Nigeria
James O. Onojo, Department of Electrical/Electronic Engineering, Federal University of Technology Owerri (FUTO), Owerri, Nigeria
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Abstract
In this paper, a method for the determination of the optimal tilt angle for yearly fixed flat-plate photovoltaic (PV) module at any given location is presented. The method is based on yearly global radiation incident on a horizontal plane as downloaded from NASA website. Futrthermore, PVSyst software that uses transposition model is used to generate the yearly global radiation incident on a tilted plane for various tilt angles, from 0° to 46°. The study is conducted for a health facility in Uyo, Akwa Ibom state, Nigeria with longitude of 7.860761, latitude of 5.011474 and elevation of 67.506 m. The optimal tilt angle is obtained from the quadratic trendline equation fitted to the graph of the transposition factor versus tilt angle. The result is that the optimal tilt angle for the yearly fixed flat-plate PV module at the selected Flocation is 9.71° which gives average yearly transposition factor 1.0105. Essential, the results indicate that about additional 1.05% of solar radiation will be captured per year by tilting the PV module at optimal tilt angle of 9.71°. At any other tilt angle less solar radiation will be captured per year.
Keywords
Optimal Tilt Angle, Global Solar Radiation, PVSyst Software, Transposition Factor, Yearly Fixed Tile Angle, Solar Power System
To cite this article
Okon Dominic Ekanem, James O. Onojo, Determination of Yearly Fixed Optimal Tilt Angle for Flat-Plate Photovoltaic Modules Based on Perez Transposition Model, American Journal of Software Engineering and Applications. Vol. 6, No. 3, 2017, pp. 80-84. doi: 10.11648/j.ajsea.20170603.14
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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