Current driven dual star induction motors (with two independent three-phase windings) are widely used in direct drive electrical propulsion systems. The technology is well-established with power ratings of up to 25 MW available. Alstom have developed a new podded electrical propulsion system, with the motor mounted outside the hull driving the propeller directly with no intermediate propeller shaft. A 19.5 MW system using a dual star induction motor with switched current drive has been installed on the 'Millenium' ferry. This type of system requires no shaft position sensor. Alstom has also equipped the 'Mistral' ferry with a more conventional system powered by two 9 MW dual star induction motors. The power electronics provide a pulse width modulated (PWM) supply to the motors.


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    Title :

    Nouvelles topologies de systemes de propulsion electrique de navires


    Additional title:

    Neue Design elektrischer Antriebssysteme für die Schifffahrt
    New designs for marine propulsion systems


    Contributors:
    Gondouin, D. (author) / Menneron, F. (author)


    Publication date :

    2000


    Size :

    5 Seiten, 14 Bilder



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    French





    La propulsion electrique des navires

    Mazodier, L. | Tema Archive | 1997



    Propulsion nucleaire des navires

    Havard, M.J. / Bonnet, Y. / Mocquard, A. | Tema Archive | 1971