Journal
ENERGIES
Volume 13, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/en13195226
Keywords
single-axis solar tracker; exact orientation to the Sun; schedule; and LDR-based solar trackers; efficiency of solar panels; encoder; electronic control unit
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Funding
- Ministry of Education and Science of the Republic of Kazakhstan [AP05132464]
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Improving the efficiency of solar panels is the main task of solar energy generation. One of the methods is a solar tracking system. One of the most important parameters of tracking systems is a precise orientation to the Sun. In this paper, the performance of single-axis solar trackers based on schedule and light dependent resistor (LDR) photosensors, as well as a stationary photovoltaic installation in various weather conditions, were compared. A comparative analysis of the operation of a manufactured schedule solar tracker and an LDR solar tracker in different weather conditions was performed; in addition, a simple method for determining the rotation angle of a solar tracker based on the encoder was proposed. Finally, the performance of the manufactured solar trackers was calculated, taking into account various weather conditions for one year. The proposed single-axis solar tracker based on schedule showed better results in cloudy and rainy weather conditions. The obtained results can be used for designing solar trackers in areas with a variable climate.
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