Microcontroller-based sun tracking system for PV module

Author(s): Tarek M. E. Abou Saltouha, Abd El-Shafy A. Nafeha, Faten H. Fahmya, Hosam K. Yousefb
aElectronics Research Institute Cairo, Egypt
bFaculty of Engineering, Cairo University, Giza, Egypt
International Journal of Smart Grid and Clean Energy, vol. 7, no. 4, October 2018: pp. 286-296
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.7.4.286-296

Abstract: This paper presents the proposed experimental implementation of a single-axis sun tracking system for photovoltaic (PV) module. The sun tracking system is implemented experimentally by using advanced virtual RISC (AVR) ATmega microcontroller and an H-bridge. The control system of the implemented system is designed based on utilizing the optical tracking technique, which is chosen, in this work, due to its simplicity and independence on the geographical location. Experimental results indicate that the use of the implemented system gives good results for the proposed sun tracking technique.

Keywords: Keywords: Single-axis sun tracking, PV module, H-bridge, on-off control, experimental system
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