Online System for Monitoring and Analysis of the Operation of a Small Photovoltaic Plant

Nikolay Hristov; Maik Jurgen Streblau; Tatyana Dimova

doi:10.29114/ajtuv.vol5.iss1.228

Nikolay Hristov 3K AD, Varna, Asparuhovo 9003, Malka Chayka
Maik Jurgen Streblau Technical University of Varna, Department of Electrical Engineering and Electro technologies, 9010, 1 Studentska Street, Varna, Bulgaria http://orcid.org/0000-0003-2628-5406
Tatyana Dimova Technical University of Varna, Department of Electrical Engineering and Electro technologies, 9010, 1 Studentska Street, Varna, Bulgaria http://orcid.org/0000-0001-8788-0220

DOI: https://doi.org/10.29114/ajtuv.vol5.iss1.228

Keywords: solar energy, monitoring system, irradiation, online system, photovoltaic system

Abstract

This article proposes an integrated system for monitoring and analysis of the operation of a small photovoltaic plant with the possibility of remote access via the Internet. The system has been built on the territory of Varna Technical University and is based on a mini computer Raspberry Pi 3B + using a Linux operating system. The monitoring is performed by keeping track of the environmental parameters and the input-output parameters of the photovoltaic inverter. Data are presented for a period of three months: October 1, 2020 to December 31, 2020. The results are visualized by appropriate graphs, demonstrating the change in the observed indicators, both for the entire specified period and for a randomly selected day.

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