In the paper, an analytical method is presented for the evaluation of the air-gap flux density distribution in saturated salient pole synchronous machines with open slots, accurately taking into account the structure of the stator winding, the air-gap anisotropy and the slotting field effects. The method is based on a Park d-q decomposition of the stator m.m.f. distribution (preserving the spatial harmonics) and on the use of FEM identified saturation functions. Several FEM simulations validate the method.
Analytical Model of the Air-Gap Magnetic Field in Synchronous Machines Considering Slotting, Saliency and Saturation Effects
DI GERLANDO, ANTONINO;FOGLIA, GIOVANNI MARIA;PERINI, ROBERTO
2007-01-01
Abstract
In the paper, an analytical method is presented for the evaluation of the air-gap flux density distribution in saturated salient pole synchronous machines with open slots, accurately taking into account the structure of the stator winding, the air-gap anisotropy and the slotting field effects. The method is based on a Park d-q decomposition of the stator m.m.f. distribution (preserving the spatial harmonics) and on the use of FEM identified saturation functions. Several FEM simulations validate the method.File in questo prodotto:
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