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Dependability Impact in the Smart Solar Power Systems: An Analysis of Smart Buildings

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  • Eltton Araujo

    (Informatics Center, Federal University of Pernambuco, Recife 50740-560, Brazil
    Current address: Informatics Center, Cidade Universitária, Federal University of Pernambuco, Recife 50740-560, Brazil.
    These authors contributed equally to this work.)

  • Paulo Pereira

    (Informatics Center, Federal University of Pernambuco, Recife 50740-560, Brazil
    These authors contributed equally to this work.)

  • Jamilson Dantas

    (Computing Department, Federal University of Vale do São Francisco, Salgueiro 56000-000, Brazil
    These authors contributed equally to this work.)

  • Paulo Maciel

    (Informatics Center, Federal University of Pernambuco, Recife 50740-560, Brazil
    These authors contributed equally to this work.)

Abstract

The Internet has been going through significant transformations and changing the world around us. We can also see the Internet to be used in many areas, for innumerable purposes, and, currently, it is even used by objects. This evolution leads to the Internet of Things (IoT) paradigm. This new concept can be defined as a system composed of storage resources, sensor devices, controllers, applications, and network infrastructure, in order to provide specific services to its users. Since IoT comprises heterogeneous components, the creation of these systems, the communication, and maintenance of their components became a complex task. In this paper, we present a dependability model to evaluate an IoT system. Amid different systems, we chose to assess availability in a smart building. The proposed models allow us to calculate estimations of other measures besides steady-state availability, such as reliability. Thus, it was possible to notice that there was no considerable gain of availability in the system when applying grid-tie solar power or off-grid solar power. The grid-tie solar power system is cheaper than the off-grid solar power system, even though it produces more energy. However, in our research, we were able to observe that the off-grid solar power system recovers the applied financial investment in smaller interval of time.

Suggested Citation

  • Eltton Araujo & Paulo Pereira & Jamilson Dantas & Paulo Maciel, 2020. "Dependability Impact in the Smart Solar Power Systems: An Analysis of Smart Buildings," Energies, MDPI, vol. 14(1), pages 1-24, December.
    • Handle: RePEc:gam:jeners:v:14:y:2020:i:1:p:124-:d:469646
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    References listed on IDEAS

    as
    1. A. Sayed & M. El-Shimy & M. El-Metwally & M. Elshahed, 2019. "Reliability, Availability and Maintainability Analysis for Grid-Connected Solar Photovoltaic Systems," Energies, MDPI, vol. 12(7), pages 1-18, March.
    2. Zini, Gabriele & Mangeant, Christophe & Merten, Jens, 2011. "Reliability of large-scale grid-connected photovoltaic systems," Renewable Energy, Elsevier, vol. 36(9), pages 2334-2340.
    3. Cai, Baoping & Liu, Yonghong & Ma, Yunpeng & Huang, Lei & Liu, Zengkai, 2015. "A framework for the reliability evaluation of grid-connected photovoltaic systems in the presence of intermittent faults," Energy, Elsevier, vol. 93(P2), pages 1308-1320.
    4. Carrasco, L.M. & Narvarte, L. & Lorenzo, E., 2013. "Operational costs of A 13,000 solar home systems rural electrification programme," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 1-7.
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