A low inertia permanent magnet motor includes a stator and rotor. The rotor includes a generally tubular and hollow rotor body coupled to the shaft of the motor by one or more spokes and/or webs. The permanent magnets of the rotor are coupled to the rotor body. In some embodiments, the low inertia permanent magnet motor may be used to power a drawworks. In some embodiments, the drawworks may be controlled by an active heave compensation controller.


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    Titel :

    Low inertia direct drive drawworks


    Beteiligte:
    PACE GARY (Autor:in) / WILLIAMS KEVIN R (Autor:in) / GARAGHTY JAMES (Autor:in) / ELLIS BRIAN (Autor:in)

    Erscheinungsdatum :

    28.06.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B66D Haspeln , CAPSTANS / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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