In most of the industrial applications, such as vehicular traction, when a Permanent Magnet Synchronous Motor (PMSM) can be used, a low cogging torque is required. The air gap variation, the magnet shapes and stator slots forms are the origins of cogging torque. In this work which aims at reducing cogging torque, we focus on the rotor magnet shapes optimizations. From intensive Finite Elements (FE) simulations of a Surface-mounted Permanent Magnet Synchronous Motor (SPMSM), 3-phases, 2-pairs of pole and 36 stator slots (3-circuits by pole and phase), a cogging torque reduction can be reached. The effect of different magnet shapes on cogging torque is studied in order to identify the optimal design for each one.


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    Title :

    PMSM cogging torque reduction: Comparison between different shapes of magnet


    Contributors:
    Chabchoub, M. (author) / Ben Salah, Ibrahim (author) / Krebs, G. (author) / Neji, R. (author) / Marchand, C. (author)


    Publication date :

    2012-03-01


    Size :

    491946 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English