Abstract

The permanent magnet transverse flux (PMTF) machine operates at low speed and is capable of producing power densities larger than the ones produced by conventional machines. The PMTF machine has the advantage of modularity, since each phase is an independent module. Due to these features, a PMTF machine can be an excellent option for low and medium power, low speed gearless generators. In this paper a sizing-designing algorithm is developed and, for a sample generator, with a quite simple structure the performances are calculated and checked against that obtained via 3D finite element method (FEM) analysis. A set of TF motors were designed and their performances were compared to evince the features and the break points of the PMTF machine proposed.

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