Comparative study of Solar panel positioning system using single-axis and dualaxis tracking system

Tangi, Swathi and Siddaraj, U (2017) Comparative study of Solar panel positioning system using single-axis and dualaxis tracking system. Journal of Electrical Engineering, 17 (2). pp. 1-5. ISSN 1582-4594

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Abstract

Solar energy is one of the most promising, sustainable green energies. As the deposits of fossil fuels are depleting day by day, the utilization of renewable sources are very much necessary for every country's development and growth. This project is designed to detect the presence of the sun and can position the solar panel towards sun’s direction automatically, i.e., the system rotates the panel automatically according to the sun’s position, so that maximum solar power can be utilized. The Single Axis module consists of Solar panel, battery, logic circuit, charging circuit, control circuit, Motor driver and a Stepper Motor whereas in the Dual axis module, additional LDR Sensors are used to detect the light Intensity and an extra Stepper motor to rotate the additional axis thereby tracking the position of sun. One DC motor is used for tracking the sun in east to west direction and the other DC motor is used to rotate the panel for almost 300 degrees to position it towards the sun’s direction. Two LDR’s are used in which one LDR is used to distinguish day or night and the second is used to trace out maximum light intensity. The output of the two LDR’s is fed to Pic-controller which gives digital information and this is fed to the controller which controls the DC motors for moving the solar panel. When the panel is positioned towards the sun, the micro-controller de-energizes the motors automatically. By implementing such a model, the solar panel’s directions were automatically being adjusted to the Sun’s position whenever the model is placed in an open environment easily susceptible to Sunlight, thereby increasing the throughput to the panels.

Item Type: Article
Uncontrolled Keywords: Solar Tracking; Single axis Tracker; Double axis Tracker; Low light detection; Tracker resetting
Subjects: Engineering > MIT Manipal > Electrical and Electronics
Depositing User: MIT Library
Date Deposited: 29 Nov 2017 05:59
Last Modified: 29 Nov 2017 05:59
URI: http://eprints.manipal.edu/id/eprint/150088

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