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Design Of Single-Axis And Dual-Axis Solar Tracking Systems Protected Against High Wind Speeds
[Full Text]
AUTHOR(S)
Mai Salaheldin Elsherbiny, Dr. Wagdy R. Anis, Dr. Ismail M. Hafez, Dr. AdelR. Mikhail
KEYWORDS
Photovoltaic, Solar energy, Single axis tracking, Dual axis tracking, Maximum power, Arduino UNO.
ABSTRACT
Solar energy is rapidly gaining ground as an important mean of expanding renewable energy use. Solar tracking is employed in order to maximize collected solar radiation by a photovoltaic panel. In this paper we present a prototype for Automatic solar tracker that is designed using Arduino UNO with Wind sensor to Cease Wind effect on panels if wind speed exceeds certain threshold. The Proposed solar tracker tracks the location of the sun anywhere in any time by calculating the position of the sun. For producing the maximum amount of solar energy, a solar panel must always be perpendicular to the source of light. Because the sun motion plane varies daily and during the day it moves from east to west; one needs two axis tracking to follow the sun's position. Maximum possible power is collected when two axis tracking is done. However, two axis tracking is relatively costly and complex. A compromise between maximum power collection and system simplicity is obtained by single axis tracking where the plane (North south axis) is fixed while the east west motion is accomplished. This work deals with the design of both single and two axis tracking systems. Automatic trackers is also compared to Fixed one in terms of Energy generated, Efficiency, Cost and System reliability.
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