Design Study of Low-speed Direct-driven Permanent-magnet Motors with Concentrated Windings
نویسندگان
چکیده
In this study, different designs of radial-flux direct-driven permanent magnet (PM) motors are compared. They should replace an induction motor and its gearbox for an industrial application requiring 5 kW and 50 rpm. The goal is to show if the use of concentrated windings brings some benefits for this application, the PM motors having a high number of poles. Different combinations of the number of slots and number of poles are investigated for the concentrated windings designs. Neodymium Iron Boron PM and ferrite PM are tested and the cost of the different machines is estimated.
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