Digital Twin of a photovoltaic system
Abstract
The creation of a Digital Twin, for the simulation of the photovoltaic park installed at the UCLV, which establishes a bidirectional data exchange in real time with the aim of providing a precise virtual copy, in order to monitor it and analyze its reaction to certain stimuli. or circumstances to improve its performance and extend its useful life. A virtual model is built using two tools: Simulink, and the PV_LIB Toolbox in Matlab. The implementation is carried out on a Raspberry Pi model B+. The connection between Matlab and the Raspberry Pi is achieved using appropriate support packages, allowing the Digital Twin to run constantly. The input data comes from the UCLV photovoltaic park, obtained through the ThingSpeak platform, while the outputs include current, voltage and power. The main focus of this work is to achieve the connection between Matlab and the Raspberry Pi, find a virtual model that fits the real plant, its implementation in code and validate the power generation of the Digital Twin in relation to the Physical Twin through root mean square error (RMSE).
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