Theoretical analysis was made of the magnetic field in the air gap between the attracting magnet and the rail for the electromagnetic levitation of vehicles. Eddy current induced by the magnetic field in the rail weakens the field, particularly near the leading end of the magnet, and decreases the attracting force as the magnet speed becomes higher. Eddy current also generates drag. Analytical solutions of the field equations were derived and formulas for calculating forces were obtained. Magnetic field distribution within the air gap was calculated to show how the excited field is weakened by the eddy current in the rail. Speed characteristics of the magnet, such as attracting force versus speed curves, were calculated, and are compared with some experimental curves.


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    Titel :

    Analysis of speed characteristics of attracting magnet for magnetic levitation of vehicles


    Weitere Titelangaben:

    Untersuchung der Geschwindigkeitseigenschaften eines anziehenden Magneten fuer Magnetschwebefahrzeuge


    Beteiligte:
    Yamamura, S. (Autor:in) / Ito, T. (Autor:in)

    Erschienen in:

    IEEE Transactions on Magnetics ; MAG-11 , 5 ; 1504-1507


    Erscheinungsdatum :

    1975


    Format / Umfang :

    , 4 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






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