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Article

Multi-Objective Dispatching Optimization of an Island Microgrid Integrated with Desalination Units and Electric Vehicles

1
School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
2
Intelligent Power Equipment Technology Research Center, Wuhan University, Wuhan 430072, China
3
School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, China
*
Author to whom correspondence should be addressed.
Processes 2021, 9(5), 798; https://doi.org/10.3390/pr9050798
Submission received: 13 April 2021 / Revised: 28 April 2021 / Accepted: 29 April 2021 / Published: 1 May 2021
(This article belongs to the Section Energy Systems)

Abstract

The renewable energy microgrid is an effective solution for island energy supply with the advantages of low energy cost, environmental protection, and reliability. In this paper, an island renewable energy microgrid integrated with desalination units and electric vehicles is established to meet the self-satisfaction of the island’s sustainable electricity, fresh water, and transportation. The source side components of the system include photovoltaic cells, wind turbines, diesel generators, battery energy storage systems. A multi-objective dispatching optimization method based on the flexibility of electric vehicles and desalination units is proposed comprehensively considering the economy and renewable energy penetration indexes. The optimization objectives are minimizing the comprehensive operating cost, and the net load fluctuation. An improved multi-objective grey wolf optimizer is adopted to solve the dispatching problem. The system is modeled and simulated by MATLAB software. The feasibility of the proposed dispatching optimization method is verified by case studies and operation simulation. Four different cases are compared and analyzed to study the impact of EVs and DES on dispatching optimization.
Keywords: island microgrid; dispatching optimization; electric vehicle; desalination; energy management; grey wolf optimizer island microgrid; dispatching optimization; electric vehicle; desalination; energy management; grey wolf optimizer

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MDPI and ACS Style

Zhu, W.; Guo, J.; Zhao, G. Multi-Objective Dispatching Optimization of an Island Microgrid Integrated with Desalination Units and Electric Vehicles. Processes 2021, 9, 798. https://doi.org/10.3390/pr9050798

AMA Style

Zhu W, Guo J, Zhao G. Multi-Objective Dispatching Optimization of an Island Microgrid Integrated with Desalination Units and Electric Vehicles. Processes. 2021; 9(5):798. https://doi.org/10.3390/pr9050798

Chicago/Turabian Style

Zhu, Wenqiang, Jiang Guo, and Guo Zhao. 2021. "Multi-Objective Dispatching Optimization of an Island Microgrid Integrated with Desalination Units and Electric Vehicles" Processes 9, no. 5: 798. https://doi.org/10.3390/pr9050798

APA Style

Zhu, W., Guo, J., & Zhao, G. (2021). Multi-Objective Dispatching Optimization of an Island Microgrid Integrated with Desalination Units and Electric Vehicles. Processes, 9(5), 798. https://doi.org/10.3390/pr9050798

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