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ew 24(1):

Research Article

Study on the Economic and Technical Optimization of Hybrid Rural Microgrids Integrating Wind, Solar, Biogas, and Energy Storage with AC/DC Conversion

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  • @ARTICLE{10.4108/ew.5803,
        author={Hu Tan and Xiaoliang Wang and Tingting Xu and Ke Zhao and Lianchao Su and Wenyu Zhang and Zheng Xin},
        title={Study on the Economic and Technical Optimization of Hybrid Rural Microgrids Integrating Wind, Solar, Biogas, and Energy Storage with AC/DC Conversion},
        journal={EAI Endorsed Transactions on Energy Web},
        volume={11},
        number={1},
        publisher={EAI},
        journal_a={EW},
        year={2024},
        month={4},
        keywords={Electricity Market, Multi-Energy Complementary System, Rural Microgrid, Integration of Generation, Grid, Load and Storage, Economic and Technical Analysis},
        doi={10.4108/ew.5803}
    }
    
  • Hu Tan
    Xiaoliang Wang
    Tingting Xu
    Ke Zhao
    Lianchao Su
    Wenyu Zhang
    Zheng Xin
    Year: 2024
    Study on the Economic and Technical Optimization of Hybrid Rural Microgrids Integrating Wind, Solar, Biogas, and Energy Storage with AC/DC Conversion
    EW
    EAI
    DOI: 10.4108/ew.5803
Hu Tan1, Xiaoliang Wang1, Tingting Xu1, Ke Zhao1, Lianchao Su1, Wenyu Zhang1, Zheng Xin2,*
  • 1: State Grid Shandong Electric Power Company
  • 2: Shandong Jianzhu University
*Contact email: xinzheng9309@163.com

Abstract

Under the guidance of the 'dual carbon' goals and 'rural revitalization' strategy, the development of microgrids primarily based on wind, solar, and biogas energy is rapidly advancing in rural areas. A critical and challenging area of current research is how to optimally configure the capacity of these microgrids of varying sizes, taking into account the availability of resources in the system's environment and specific climatic conditions, to maximize economic benefits. Based on this, the article constructs a model of a hybrid AC/DC microgrid system powered by wind, solar, and biogas energy. It undertakes multi-objective optimization to achieve the highest utilization of renewable energy, the most economical cost, and the minimum carbon emissions while ensuring the reliability of the system's power supply. The study explores the economically and technically optimal configuration of this microgrid energy system under certain climatic conditions. The results indicate that the optimal configuration for a rural microgrid powered by wind, solar, and biogas energy should include a 2.6 kW biogas generator, 30.00 kW solar panels, 5.24 kW wind turbines, a 2.6 kW battery storage system, and a 10.00 kW bidirectional inverter. This configuration results in the lowest total net cost of the system, achieving optimal outcomes in terms of total net cost, cost per kilowatt-hour, and supply reliability.

Keywords
Electricity Market, Multi-Energy Complementary System, Rural Microgrid, Integration of Generation, Grid, Load and Storage, Economic and Technical Analysis
Received
2023-11-15
Accepted
2024-04-10
Published
2024-04-16
Publisher
EAI
http://dx.doi.org/10.4108/ew.5803

Copyright © 2024 H. Tan et al., licensed to EAI. This is an open access article distributed under the terms of the CC BY-NC-SA 4.0, which permits copying, redistributing, remixing, transformation, and building upon the material in any medium so long as the original work is properly cited.

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