This paper describes the development of a new generation of permanent magnet alternators (PMA), intended for use in Formula One motorsport. The challenging problem of how to regulate the output from a PMA has been solved by the creation of a voltage regulator that draws power from the alternator as and when necessary, rather than dumping excess energy as heat. As a result, a compact, lightweight system has been created, which is capable of delivering 30A to the load at 14V. The system can achieve a cut-in speed of less than 1800rpm and can deliver 25A at 4500rpm.


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    Title :

    Small Alternators for Racing Cars


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Motorsports Engineering Conference & Exposition ; 1998



    Publication date :

    1998-11-16




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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