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| Implementation Analysis Of Automatic Dual Axis Solar Tracking System Using Atmega328p |
Ibrahim Adabara, Ouma Stephen, Ginabel Otiang Okoth, Aniagolu Obiayo Cyril, Enerst Edozie5
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Abstract:
This project involved both simulation design and mechatronics implementation of solar tracking system that ensures that solar panel is perpendicular to the sun to obtain maximum energy falling on it. The unique feature of this project is that it takes the sun as a guiding source by actively monitoring the sunlight and rotating the panel towards the direction where the intensity of sunlight is maximum. The light-dependent resistor’s (LDRs) are the sensors that play the role of continuously monitoring the position of the sun which changes the position of the solar panel by switching on and off the servo motor. The Atmega328p logic circuit fetches the input from the LDR sensor and gives the command to the servo motor to rotate in order to position the solar panel to the direction of the sun. This has enabled this project to generate additional energy of around 15% to 25% with very low consumption by the system itself. The dual-axis sun tracker was designed and when tested for the power output of the solar panel, it was found that on the average the solar panel would achieve maximum power generated from the hour of 10:00 am to 4:00p.m, where 4.92W was stored at 10:00 am, 4.80W at 11:00 am, 4.92W at 12:00 pm, 4.68W at 1:00 pm, 4.88W at 2:00 pm, 4.87W at 3:00 pm and 4.93W at 4:00 pm which was a much greater output as compared to a fixed solar panel which achieved maximum power output between hours of 12:00 pm and 1:00 p.m. The dual-axis sun tracker would be recommended for use in solar power generation because it increases the efficiency of the solar power generated, and it’s cost-effective.
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