Marine Electrical Power Systems:
Shipboard Power System Fundamentals:
Propulsion Motor

Last Update: October 13, 2025

Essential Questions

Essential Question Level of Thinking
What components can comprise a Propulsion Motor subsystem?
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What is the impact of operational profiles on propulsion motor subsystem design?
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What are the control modes for a propulsion motor and when should each be used?
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What are the sources of losses in a propulsion motor subsystem and how are they calculated?
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Text Material

Propulsion Motor Subsystem

Presentation Material

Images

I_20251013a Propulsion motor subsystem diagram

Video Material

References

Doerry, Dr. Norbert H., Integrated Electric Propulsion,The Marine Engineering Series Edited by Michael G. Parson, SNAME, Alexandria VA, 2020 ISBN 978-1-7923-1226-7

Doerry, Norbert, and Mark A. Parsons, "Modeling Shipboard Power Systems for Endurance and Annual Fuel Calculations," SNAME J Ship Prod Des (2023)

Kirtley, James L., Arijit Banerjee, and Steven Englebretson, "Motors for Ship Propulsion," in Proceedings of the IEEE, vol. 103, no. 12, Dec. 2015.

Patel, Mukund, Shipboard Propulsion, Power Electronics, and Ocean Energy, CRC Press, Roca Raton 2012, ISBN 978-1-4398-8850-6

Yanamoto, T., M. Izumi, M. Yokoyama and K. Umemoto, "Electric Propulsion Motor Development for Commercial Ships in Japan," in Proceedings of the IEEE, vol. 103, no. 12, pp. 2333-2343, Dec. 2015.


(C) Copyright 2024-2025 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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