AMBER (Active Magnetic Bearing Evaluation Routine) is a computer algorithm developed for the University of Maryland pancake magnetic bearing, which supports and controls a flywheel in a kinetic energy storage system. Because of the gap growth due to centrifugal forces at high speed, the bearing axial load capability degrades and the axial characteristics become critical in the bearing design. AMBER applies magnetic circuit theory, magnetic material saturation curves, coenergy theory, and finite permeance-based elements to solve the air gap flux density and coenergy over a series of incremental axial displacements. Differentiation of the coenergy of the magnetic field yields axial force and stiffness characteristics. An axial test machine is constructed to conduct experiments to verify the flux distribution and axial forces predicted by the model. User interaction with AMBER allows modification of the bearing geometry and composition to optimize future prototypes.


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    Titel :

    Computer-Aided Modelling and Analysis of a Magnetic Bearing System


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Pang, Da-Chen (Autor:in) / Anand, Davinder K. (Autor:in) / Kirk, James A. (Autor:in) / Johnson, Ryan G. (Autor:in)

    Kongress:

    27th Intersociety Energy Conversion Engineering Conference (1992) ; 1992



    Erscheinungsdatum :

    1992-08-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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