Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators

Photovoltaic (PV) energy is a renewable energy resource which is being widely integrated in intelligent power grids, smart grids, and microgrids. To characterize and monitor the behavior of PV modules, current-voltage (I-V) curves are essential. In this regard, Internet of Things (IoT) technologies...

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Autores principales:	Isaías González, José María Portalo, Antonio José Calderón
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	IoT renewable energy sources photovoltaic energy I-V curve monitoring and data acquisition microgrid Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/4dc00731d3084d14b827c259fdf49b6e
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spelling	oai:doaj.org-article:4dc00731d3084d14b827c259fdf49b6e2021-11-25T18:58:12ZConfigurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators10.3390/s212276501424-8220https://doaj.org/article/4dc00731d3084d14b827c259fdf49b6e2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/22/7650https://doaj.org/toc/1424-8220Photovoltaic (PV) energy is a renewable energy resource which is being widely integrated in intelligent power grids, smart grids, and microgrids. To characterize and monitor the behavior of PV modules, current-voltage (I-V) curves are essential. In this regard, Internet of Things (IoT) technologies provide versatile and powerful tools, constituting a modern trend in the design of sensing and data acquisition systems for I-V curve tracing. This paper presents a novel I-V curve tracer based on IoT open-source hardware and software. Namely, a Raspberry Pi microcomputer composes the hardware level, whilst the applied software comprises mariaDB, Python, and Grafana. All the tasks required for curve tracing are automated: load sweep, data acquisition, data storage, communications, and real-time visualization. Modern and legacy communication protocols are handled for seamless data exchange with a programmable logic controller and a programmable load. The development of the system is expounded, and experimental results are reported to prove the suitability and validity of the proposal. In particular, I-V curve tracing of a monocrystalline PV generator under real operating conditions is successfully conducted.Isaías GonzálezJosé María PortaloAntonio José CalderónMDPI AGarticleIoTrenewable energy sourcesphotovoltaic energyI-V curvemonitoring and data acquisitionmicrogridChemical technologyTP1-1185ENSensors, Vol 21, Iss 7650, p 7650 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	IoT renewable energy sources photovoltaic energy I-V curve monitoring and data acquisition microgrid Chemical technology TP1-1185
spellingShingle	IoT renewable energy sources photovoltaic energy I-V curve monitoring and data acquisition microgrid Chemical technology TP1-1185 Isaías González José María Portalo Antonio José Calderón Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
description	Photovoltaic (PV) energy is a renewable energy resource which is being widely integrated in intelligent power grids, smart grids, and microgrids. To characterize and monitor the behavior of PV modules, current-voltage (I-V) curves are essential. In this regard, Internet of Things (IoT) technologies provide versatile and powerful tools, constituting a modern trend in the design of sensing and data acquisition systems for I-V curve tracing. This paper presents a novel I-V curve tracer based on IoT open-source hardware and software. Namely, a Raspberry Pi microcomputer composes the hardware level, whilst the applied software comprises mariaDB, Python, and Grafana. All the tasks required for curve tracing are automated: load sweep, data acquisition, data storage, communications, and real-time visualization. Modern and legacy communication protocols are handled for seamless data exchange with a programmable logic controller and a programmable load. The development of the system is expounded, and experimental results are reported to prove the suitability and validity of the proposal. In particular, I-V curve tracing of a monocrystalline PV generator under real operating conditions is successfully conducted.
format	article
author	Isaías González José María Portalo Antonio José Calderón
author_facet	Isaías González José María Portalo Antonio José Calderón
author_sort	Isaías González
title	Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
title_short	Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
title_full	Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
title_fullStr	Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
title_full_unstemmed	Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators
title_sort	configurable iot open-source hardware and software i-v curve tracer for photovoltaic generators
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4dc00731d3084d14b827c259fdf49b6e
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Configurable IoT Open-Source Hardware and Software I-V Curve Tracer for Photovoltaic Generators

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