Propulsion drive models for full electric marine propulsion systems

Judith M. Apsley, Aurelio González-Villaseñor, Mike Barnes, Alexander C. Smith, Steve Williamson, Jeroen D. Schuddebeurs, Patrick J. Norman, Campbell D. Booth, Graeme M. Burt, J. R. McDonald

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    Integrated full electric propulsion systems are being introduced across both civil and military marine sectors. Standard power system analysis packages cover electrical and electromagnetic components but have limited models of mechanical subsystems and their controllers. Hence, electromechanical system interactions between the prime movers, power network, and driven loads are poorly understood. This paper reviews available models of the propulsion drive system components: The power converter, motor, propeller, and ship. Due to the wide range of time constants in the system, reduced-order models of the power converter are required. A new model using state-averaged models of the inverter and a hybrid model of the rectifier is developed to give an effective solution combining accuracy with speed of simulation and an appropriate interface to the electrical network model. Simulation results for a typical ship maneuver are presented. © 2009 IEEE.
    Original languageEnglish
    Pages (from-to)676-684
    Number of pages8
    JournalIEEE Transactions on Industry Applications
    Issue number2
    Publication statusPublished - 2009


    • Electromechanical interactions
    • Marine
    • Propulsion
    • Rectifier models


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