Journal
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
Volume 65, Issue -, Pages 626-634Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2016.07.032
Keywords
Solar radiation; PV panel; optimum tilt angle; estimation
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The tilt angle of photovoltaic (PV) panels is a major factor affecting the amount of solar radiation falling on the panel surface. The optimum tilt angle depends on the position of the sun, latitude and local geographical characteristics. This paper investigates PV panel optimum tilt angles for various cities in the Kingdom of Saudi Arabia. For simulation purposes, horizontal solar radiation data for the study cities was obtained from. NASA. MATLAB software was' used to optimize tilt angle by maximizing solar radiation. Experiments were conducted to validate the theoretical requirement for negative tilt angles during summer. Results demonstrate that adjusting tilt angles six times per year harvests 99.5% of the solar radiation that could be attained with daily PV panel adjustment. (C) 2016 Elsevier Ltd. All rights reserved.
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