Management and control of short-term energy storage systems in electric ship

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This paper proposes and studies a DC power system with SMES and ultracapacitor energy storage modules and their control system for an electric ship. The system allows the storage modules to primarily regulate the voltage of the ship DC switchboard against high fluctuation caused by any transient loads onboard. As such, the ship battery as prime mover only provides the average component of the total dynamic power, which can be far below the peak power supplied frequently to the load. This procedure would eventually lead to extending the lifespan of the battery and to the deferral of its costly replacement. The paper also covers comparison of the power system efficiency when connecting the energy storage modules. The dynamic results, obtained via real-time hardware-in-the-loop simulation and control implementation, have validated the concept, and helped to assess the design characteristics and system performance.
Original languageEnglish
Title of host publication2023 International Conference on Clean Electrical Power (ICCEP)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages6
ISBN (Electronic)9798350348378
ISBN (Print)9798350348385 (PoD)
Publication statusPublished - 13 Sept 2023
Event8th International Conference on Clean Electrical Power: Renewable Energy Resources Impact - Terrasini, Sicily, Italy
Duration: 27 Jun 202329 Jun 2023

Publication series

NameInternational Conference on Clean Electrical Power
ISSN (Print)2471-6189
ISSN (Electronic)2474-9664


Conference8th International Conference on Clean Electrical Power
Abbreviated titleICCEP 2023

Bibliographical note

The authors acknowledge the financial support received through the TRIG programme of the UK Department for Transport, project no. 1320-b; UKRI, project no. 1005639; and EU Horizon, grant agreement no. 101096831.


  • DC power system
  • ultracapacitor
  • SMES
  • power electronic converter
  • propulsion power
  • control system
  • ship
  • battery lifespan
  • hardware-in-the-loop simulation


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