MPC-informed ECMS based real-time power management strategy for hybrid electric ship

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Shipboard power systems (SPS) are complex systems connecting multiple power sources, energy storage systems (ESSs) and various types of loads. However, the fluctuated propulsion loads may lead to a low power quality of the system. In this paper, a power management system (PMS) is designed for SPS in the framework of an optimization-based method. With equivalent consumption minimization strategy (ECMS), the proposed method is able to provide an optimal power-split between hybrid energy sources in real time, while minimizing the fuel consumption of the system. Furthermore, the equivalence factor is adjusted by model predictive control (MPC) of PMS. The performances of the proposed approach are evaluated by simulations.

Original languageEnglish
JournalEnergy Reports
Volume7
Pages (from-to)126-133
Number of pages8
DOIs
Publication statusPublished - Apr 2021

Bibliographical note

Funding Information:
This work was supported by VILLUM FONDEN, Denmark under the VILLUM Investigator Grant (no. 25920 ): Center for Research on Microgrids (CROM): www.crom.et.aau.dk ;

Publisher Copyright:
© 2021 The Author(s)

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • Equivalent consumption minimization strategy
  • Model predictive control
  • Power management system
  • Shipboard power system

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