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A systematic techno-enviro-socio-economic design optimization and power quality of hybrid renewable microgrids

Author

Listed:
  • Bouendeu, Jean Jacques
  • Talla Konchou, Franck Armel
  • Astrid, Medjo Nouadje Brigitte
  • Elmorshedy, Mahmoud F.
  • René, Tchinda

Abstract

The primary concern of a population is not the setting up of electrical energy production systems but rather a reliable, economical, ecological, and low-cost energy service from production to consumption. This work proposes a generic and systematic techno-enviro-socio-economic optimization framework of an autonomous hybrid renewable energy system in the city of Dschang-Cameroon. The studied system is designed to supply the priority loads of the Faculty of Science of the largest university in this city. In contrast to the existing studies, which address only one or two aspects of the optimization problem, the proposed framework encounters technical, environmental, economic, and socio-political factors. The work is carried out through a series processing solution by integrating the functionalities of HOMER and Matlab/Simulink software. HOMER is firstly used to verify the feasibility of a set of different energy hybridizations and to select the optimal energy solution. While Matlab/Simulink is used to model, stabilize and supervise the technical performance of the optimal configuration found by HOMER. The results revealed that the winning design consists of a 6.208 kW PV, a 60 kW wind farm, a 15 kW diesel generator, and a 5.179 kW converter with the least net present cost of $63,312 and energy cost of 0.1691$/kWh. Also, the optimal system has a renewable fraction of 96.425% and a small amount of GHGE of only 795.527 kg/yr. Economically, the optimal configuration has a payback period of 3.2 years while socially offers 0.2179 jobs/year during the project's life. Throughout the proposed control methods provided by Matlab/Simulink, the energy dispatch among system components, the stabilization of the DC-bus voltage, and the regulation of load voltage and frequency under different climatic parameters proved their effectiveness in terms of accuracy and speed. Besides, the voltage harmonic distortion was found to be 0.61%, below the standard limits.

Suggested Citation

  • Bouendeu, Jean Jacques & Talla Konchou, Franck Armel & Astrid, Medjo Nouadje Brigitte & Elmorshedy, Mahmoud F. & René, Tchinda, 2023. "A systematic techno-enviro-socio-economic design optimization and power quality of hybrid renewable microgrids," Renewable Energy, Elsevier, vol. 218(C).
    • Handle: RePEc:eee:renene:v:218:y:2023:i:c:s0960148123012120
    DOI: 10.1016/j.renene.2023.119297
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