Low-cost dual-axis solar tracker with photovoltaic energy processing for education

Converting the sunlight into electricity has gained the world’s agenda—institutions and individuals have been relying on solar technology more than ever. Still, few workers are qualified to face the increasing demand for solar technology—the high cost of photovoltaic solar technology impedes the cre...

Descripción completa

Detalles Bibliográficos
Autores: Vargas do Nascimiento, Alessandro, Francisco, Gabriel R., Montezuma, Marcio A. F., Sampaio, Leonardo P., Acho Zuppa, Leonardo|||0000-0002-4965-1133
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/372901
Acceso en línea:https://hdl.handle.net/2117/372901
https://dx.doi.org/10.1016/j.seta.2022.102542
Access Level:acceso abierto
Palabra clave:Photovoltaic power generation
Renewable energy
Photovoltaic energy
Solar tracker
Buck converter
Maximum power tracking
Engineering education
Energia fotovoltaica -- Generació
Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica
Descripción
Sumario:Converting the sunlight into electricity has gained the world’s agenda—institutions and individuals have been relying on solar technology more than ever. Still, few workers are qualified to face the increasing demand for solar technology—the high cost of photovoltaic solar technology impedes the creation of more educational programs to qualify more people. To help foster photovoltaic engineering education, we show how to construct a low-cost photovoltaic kit for education. This paper documents the steps necessary to build a low-cost solar tracker and how to process the energy it generates. The equipment has a total cost of about US$ 720. This paper emphasizes the necessary features a solar tracker must have, such as collecting and processing photovoltaic energy, in an optimal way. Using real-time data, we have identified a linear system to represent the dynamics of the sun-tracker equipment. This linear model feeds the algorithm that controls the sun-tracker. Experimental data confirm the effectiveness of the designed solar tracker equipment for extracting the maximum amount of photovoltaic energy—the data indicate an improved energy efficiency of about 32%. The proposed equipment requires only low-cost spare parts, a clear benefit for the education on photovoltaics.