This paper considers the operation and control of a brushless AC prototype embedded aircraft generator that has been designed for use as an alternative to the emergency ram air turbine. The original specification is to generate a regulated emergency supply over a wide speed range. To meet the requirements the generator utilises a hybrid rotor construction comprising permanent magnet and variable reluctance sections. The constant current source characteristics of the design are exploited to derive the phase information required by the AC vector controller, thus avoiding the use of a rotor position sensor. The methodology behind the controller operation is presented together with test results taken from a prototype generator system.


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    Title :

    Sensorless operation of a permanent magnet generator for future embedded aircraft generation systems


    Additional title:

    Sensorfreier Betrieb von Permanentmagnet-Generatoren für künftige interne Flugzeug-Generatorsysteme


    Contributors:
    Burrow, S.G. (author) / Mellor, P.H. (author) / Sawata, T. (author) / Holme, M. (author)


    Publication date :

    2004


    Size :

    6 Seiten, 13 Bilder, 6 Quellen



    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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