Permanent magnet inductors (PMI) are useful in dc biased applications. They utilize the flux produced by a permanent magnet (PM) to partially offset the flux established by current in the inductor winding. The addition of permanent magnets allows for decreased inductor mass for a given inductor current and inductance rating. Herein, the Pareto-optimal front between loss and mass is established for a PMI inductor and is compared to that of a traditional EI core inductor. It is shown that the PMI inductor is significantly less massive than the EI core inductor for a given loss.


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    Title :

    Permanent magnet inductor design


    Contributors:
    Shane, G M (author) / Sudhoff, S D (author)


    Publication date :

    2011-04-01


    Size :

    510882 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English






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