Distributed Fixed-Time Energy Management for Port Microgrid Considering Transmissive Efficiency

Zixiao Ban, Fei Teng (), Huifeng Zhang (), Shuo Li, Geyang Xiao and Yajuan Guan
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Zixiao Ban: Marine Electrical Engineering College, Dalian Maritime University, Dalian 116026, China
Fei Teng: Marine Electrical Engineering College, Dalian Maritime University, Dalian 116026, China
Huifeng Zhang: Research Institute of Intelligent Networks, Zhejiang Lab, Hangzhou 311121, China
Shuo Li: Marine Electrical Engineering College, Dalian Maritime University, Dalian 116026, China
Geyang Xiao: Research Institute of Intelligent Networks, Zhejiang Lab, Hangzhou 311121, China
Yajuan Guan: Department of Energy, Aalborg University, 9100 Aalborg, Denmark

Mathematics, 2023, vol. 11, issue 17, 1-13

Abstract: To enhance the efficiency of a port microgrid, this paper proposes an energy management method and a topology construction mechanism considering the convergence rate and information transmission distances, respectively. Firstly, a distributed fixed-time energy management method is proposed to solve an energy management problem in a known time and guarantee the efficiency of the port microgrid. Secondly, to address the challenge of heterogeneous devices with multiple communication protocols, information exchange between different devices is facilitated through a polymorphic network. To obtain a connected communication topology that can ensure the implementation of the distributed energy management method, a connected networking mechanism is proposed. This mechanism minimizes the total communication distance to reduce the effect of the information transmission distance on communication effectiveness. Finally, the effectiveness of both algorithms is demonstrated by simulation, and the advantages of the distributed fixed-time energy management method on the convergence rate are reflected through a comparison with other methods.

Keywords: port microgrid energy management; fixed-time control; distributed optimization; polymorphic network; connected networking mechanism (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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