Abstract
AbstractThis paper develops a combination of the implementation of a dual-axis solar tracker and real-time monitoring system based on the use of the Internet of Things. To obtain maximum efficiency, the photovoltaic panel must be constantly oriented perpendicular to the sun's rays. However, the position of the sun varies continuously during the day from east to west along the azimuthal and during the seasons along a zenithal axis. For this reason, we have designed and implemented a dual-axis solar tracker that allows real-time tracking of the apparent movement of the sun to maximize the power extraction. The proposed sun tracker is equipped with a system of monitoring to supervise and evaluate its performances, by collecting the electrical parameters from the PV panels, and the meteorological parameters from its surface. Both the control and the monitoring is established using the ESP32 embedded board, and the designed support of solar tracker is made using a 3D printer. The dual-axis solar tracker performances are compared with a fixed system.KeywordsPhotovoltaic systemInternet of ThingsESP32MonitoringDual axis solar tracker
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