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Off-Grid Hybrid Renewable Energy System Operation in Different Scenarios for Household Consumers

Author

Listed:
  • Teodor Pop

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Constantin Ungureanu

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Radu Dumitru Pentiuc

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Ciprian Afanasov

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Visarion Catălin Ifrim

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Pavel Atănăsoae

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

  • Laurențiu Dan Milici

    (Department of Electrical Engineering, Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania)

Abstract

Off-grid hybrid renewable energy systems represent the most modern and flexible solutions that can cover a wide range of energy efficiency needs for household consumers. In the current context, these systems must be taken into account by most household consumers, given the fact that the price of energy has increased. This paper proposes an experimental analysis of the behavior of such a system, in real operating conditions, considering two renewable energy sources, wind and photovoltaic sources, using an experimental stand. It can be considered a testing platform for hybrid energy production systems, in that the power installed in the two sources can be scaled up. The platform has the advantage of allowing the implementation of different load and wind curves through a programmable logic controller; in this way, it is possible to evaluate the degree of coverage of the energy consumption produced from renewable sources, in the north-east of Romania, in the Suceava County region. The experimental study also involves an analysis of the storage capacity in relation to the consumption and the electricity produced by the two renewable sources. In this regard, three scenarios differentiated by the state of charge (30%, 50% and 70%) have been established. The results indicate that, for each of the imposed scenarios, the energy required to cover consumption is produced by renewable energy sources (42%, 47% and 53%), to which the energy stored in batteries (39%, 28% and 18%) is added.

Suggested Citation

  • Teodor Pop & Constantin Ungureanu & Radu Dumitru Pentiuc & Ciprian Afanasov & Visarion Catălin Ifrim & Pavel Atănăsoae & Laurențiu Dan Milici, 2023. "Off-Grid Hybrid Renewable Energy System Operation in Different Scenarios for Household Consumers," Energies, MDPI, vol. 16(7), pages 1-21, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:7:p:2992-:d:1106903
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    References listed on IDEAS

    as
    1. Solomon Kiros & Baseem Khan & Sanjeevikumar Padmanaban & Hassan Haes Alhelou & Zbigniew Leonowicz & Om Prakash Mahela & Jens Bo Holm-Nielsen, 2020. "Development of Stand-Alone Green Hybrid System for Rural Areas," Sustainability, MDPI, vol. 12(9), pages 1-14, May.
    2. Yan Yang & Qingyu Wei & Shanke Liu & Liang Zhao, 2022. "Distribution Strategy Optimization of Standalone Hybrid WT/PV System Based on Different Solar and Wind Resources for Rural Applications," Energies, MDPI, vol. 15(14), pages 1-21, July.
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