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Design and Implementation of a Sustainable IoT Embedded System for Monitoring Temperature and Humidity in Photovoltaic Power Plants in the Amazon

Author

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  • Yasmim Lisboa

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Lucas Santos

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Elen Lobato

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Wellington Fonseca

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Kaylane Silva

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Iris Rodrigues

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

  • Marcelo Silva

    (Institute of Technology, Federal University of Pará, Rua Augusto Corrêa, 01, Belém 66075-110, Pará, Brazil)

Abstract

Photovoltaic systems are among the renewable energy sources with the greatest global impact, driven by technologies that enable real-time monitoring, predictive maintenance, and intelligent integration with the electricity grid. In this context, this paper presents the design and implementation of an embedded Internet of Things (IoT) system to monitor temperature and humidity in photovoltaic systems in the Amazon region. The system was implemented in a photovoltaic solar plant located at the Federal University of Pará and used to monitor parameters such as local humidity and temperature, with the latter being considered at three strategic points: the surface of the photovoltaic module exposed to direct solar radiation, the shaded area of the module, and the ambient temperature. The results obtained showed good performance from the embedded system, with emphasis on the ease of remotely updating the embedded system’s code and centralized visualization of the monitored data in an IoT middleware. The device proved to be resistant to the adverse climatic conditions of the Amazon, allowing the operators and managers of the photovoltaic plant to monitor and visualize the measured variables and to draw up preventive and corrective maintenance strategies. In this way, the embedded system designed and implemented is a valuable tool for the photovoltaic plant’s operators and managers, promoting greater energy efficiency, reducing operating costs and increasing the useful life of the modules. It also contributes to the Sustainable Development Goals (SDGs), such as SDG 7 (Clean and affordable energy) and SDG 13 (Climate action).

Suggested Citation

  • Yasmim Lisboa & Lucas Santos & Elen Lobato & Wellington Fonseca & Kaylane Silva & Iris Rodrigues & Marcelo Silva, 2025. "Design and Implementation of a Sustainable IoT Embedded System for Monitoring Temperature and Humidity in Photovoltaic Power Plants in the Amazon," Sustainability, MDPI, vol. 17(6), pages 1-28, March.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:6:p:2347-:d:1607483
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    References listed on IDEAS

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