VSC-fed inside-out permanent magnet DC machines for wind generators

Abstract

This paper estimates the performance of a conventional dc machine that is turned inside-out with the commutator replaced by switch-type semiconductors on the stator. The rotor is a permanent magnet design with trapezoidal radial flux density. Stator windings are full-pole pitch. The torque density for the inside-out dc machine is higher than other types of… (More)

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