Title :
Torque calculation with conforming and nonconforming movement interface
Author :
Antunes, O.J. ; Bastos, J.P.A. ; Sadowski, N. ; Razek, A. ; Santandrea, L. ; Bouillault, F. ; Rapetti, F.
Author_Institution :
Centro Fed. de Educaco Tecnologica de Santa Catarina, Florianopolis
fDate :
4/1/2006 12:00:00 AM
Abstract :
This work analyzes the use of conforming and nonconforming movement techniques for torque calculation with high-order hierarchic interpolation in electrical machines thin air gaps. For the nonconforming movement formulation, the Lagrange multipliers are used. The moving band is used for the conforming case. The behavior of torque results as a function of interpolation order and air-gap thickness is discussed. In order to compare formulations, results for two thin air-gap machines are shown
Keywords :
air gaps; interpolation; synchronous machines; torque measurement; Lagrange multipliers; conforming movement interface; conforming movement techniques; electrical machines; high-order hierarchic interpolation; nonconforming movement interface; nonconforming movement techniques; thin air gaps; torque calculation; Air gaps; Equations; Interpolation; Lagrangian functions; Magnetic domains; Magnetostatics; Synchronous machines; Tensile stress; Testing; Torque; Hierarchic elements; Lagrange multipliers; movement; torque;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2006.871428
