Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2024 , Vol. 58 >Issue 9: 1432 - 1442

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2023.035

New Type Power System and the Integrated Energy

Robust Optimal Scheduling of Agricultural Microgrid Combined with Irrigation System Under Uncertainty Conditions

  • YANG Sen ,
  • GUO Ning ,
  • ZHANG Shouming
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  • Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming 650500, China

Received date: 2023-02-06

  Revised date: 2023-07-08

  Accepted date: 2023-07-11

  Online published: 2024-01-02

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Abstract

Agricultural microgrids offer a promising solution for energy supply in remote rural areas in a low-cost manner. In this paper, under uncertain conditions of renewable energy output and electricity load demand, a robust optimal scheduling model combined with the isolated agricultural microgrid and irrigation system containing a pumped hydro storage (PHS) power station is proposed, considering the factors that the wind-landscape pumped storage integrated agricultural microgrid can satisfy the uncertain fluctuations of power load demand and water load demand. By utilizing the abundant water resources in rural areas and the advantages of landscape drainage and storage compensation, the total cost of the system is minimized while the absorption of renewable energy is increased. Considering distributed generation, power load demand and water load demand, turbine flow, and irrigation flow, the proposed model is characterized by diversity, multi-constraint, and discontinuity. A gravitational whale optimization algorithm (GWOA) is proposed to solve the model. The simulation results of an agricultural microgrid show that the GWOA can obtain a more competitive solution than the CPLEX solver and other newly developed algorithms do. In addition, the impact of the change of water load demand caused by precipitation uncertainty on the operating cost of the irrigation system and the necessity of using PHS power station are explored.

Key words： agricultural microgrid; pumped hydro storage (PHS); irrigation system; uncertainty condition; gravitational whale optimization algorithm (GWOA)

Cite this article

YANG Sen , GUO Ning , ZHANG Shouming . Robust Optimal Scheduling of Agricultural Microgrid Combined with Irrigation System Under Uncertainty Conditions[J]. Journal of Shanghai Jiaotong University, 2024 , 58(9) : 1432 -1442 . DOI: 10.16183/j.cnki.jsjtu.2023.035

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