Data acquisition and cloud storage system applied photovoltaic systems

This paper presents a data acquisition and visualization system, with storage in the cloud, applied to photovoltaic (PV) systems. The proposed system uses an embedded computer to perform communication with PV inverters via the RS485 standard. The system developed also performs the acquisition of meteorological data, the computer embedded obtain data by a microcontroller that performs reading of the radiation and temperature sensors. The result was a cloud database with weather and PV generation data, to view the data more quickly and in a friendly way, a visualization systems have been developed. A visual system on the web and an application for Android smartphones have been developed. The developed system was applied to a real PV system with 42 PV modules of 235W connected in two PV inverters of 2.5kW and 6kW.