Photovoltaic recording system using web-based system
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Date
2019-06
Authors
Ahmad Kamal Bin Rosdi
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Abstract
Photovoltaic (PV) system is widely installed to increase the share of renewable energy as well as to reduce the environmental impact fossil fuel-based energy. Photovoltaic recording system is considered as a crucial aspect to observe the efficiency of the PV solar panels system. However, there has been no recording or monitoring device to ensure continuous working of the PV system. Hence, this project focuses on developing parameter recording system to overcome the problem. Using the recording system, users are allowed to monitor their photovoltaic solar panels output (voltage and current) in real time, through Internet of Thing (IoT) method. The recorded values from the developed sensors can be continuously stored and updated in the cloud service. The system consists of sensors each for measuring two voltages values, current and temperature. NodeMCU microcontroller is chosen as the open source IoT platform which includes firmware which runs on the ESP8266 WIFI Development Board. The data are sent to Adafruit IO webpage through WIFI connection. Overall, the result show that the developed sensors for PV data recorded are working correctly. Data processed by the microcontroller NodeMCU were displayed on the dashboard of Adafruit IO cloud service webpage. The dashboard shows the voltage and current output from the solar panel, voltage output from rechargeable battery and the environment temperature around PV solar panel. From the photovoltaic recording system, the efficiency of the developed system and the other factor that contributed or leading to malfunction in the solar system can be recorded.