Tracker Tiga Posisi Panel Surya untuk Peningkatan Konversi Energi dengan Catu Daya Rendah
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Keywords
Abstract
This article describes the use of a three-position tracker to increase the conversion of electrical energy from the sun with a low power supply. The three-position tracker system has been tested using two identical solar panels with 250 Wp capacities mounted flat and with tracker. The testing process carried out for 3 days in the top of the building Department of Electrical Engineering Andalas University of Padang. The test results show the average percentage increase in energy conversion is 0.263 kWh / day or 27.9% per day. While the energy requirement for three position tracker actuator are 0.624 Wh / day and track control system of 18 Wh / day. So that the energy consumption of tracker system three positions is equal to 0.0186 kWh / day. This is because the three-position tracker system uses actuators with DC motors equipped with a gearbox so that the tracker's torque becomes greater. Energy consumption for tracker control using arduino is greater than tracker energy itself because the control is always active for 24 hours. While the three-position tracker is only active for 100 seconds. Thus, the energy consumption used by the three-position tracker system is much smaller than the increase in energy conversion produced by solar panels.
Keywords : Three position tracker, Increased solar panel energy conversion
Abstrak
Artikel ini memaparkan tentang penggunaan tracker tiga posisi untuk meningkatkan konversi energi listrik dari matahari dengan catu daya rendah. Sistem tracker tiga posisi telah diuji menggunakan dua buah panel surya yang identik dengan kapasitas 250 Wp yang dipasang flat dan dengan tracker. Proses pengujian dilakukan selama 3 hari di atas gedung Jurusan Teknik Elektro Universitas Andalas Padang. Hasil pengujian menunjukkan persentase rata-rata peningkatan konversi energi sebesar 0,263 kWh/hari atau 27,9% per hari. Sedangkan kebutuhan energi untuk aktuator tracker tiga posisi sebesar 0,624 Wh/hari dan sistem kontrol tracker sebesar 18 Wh/hari. Sehingga besar konsumsi energi sistem tracker tiga posisi adalah sebesar 0,0186 kWh/hari. Hal ini disebabkan karena sistem tracker tiga posisi menggunakan aktuator dengan motor DC yang dilengkapi gearbox sehingga kemampuan torsi tracker menjadi lebih besar. Konsumsi energi untuk pengontrolan tracker menggunakan arduino lebih besar dibandingkan energi tracker itu sendiri karena pengontrolan selalu dalam keadaan aktif selama 24 jam. Sementara tracker tiga posisi hanya aktif selama 100 detik. Dengan demikian, konsumsi energi yang digunakan oleh sistem tracker tiga posisi jauh lebih kecil dibandingkan peningkatan konversi energi yang dihasilkan panel surya.
Kata Kunci : Tracker tiga posisi, Peningkatan konversi energi panel surya
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