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This paper shows performance study of three phase induction motor having rectangle stator core in order to decrease material cost, and propose appropriate rectangle design parameters not affecting motor performance. Magnetic saturation effect in the rectangle stator core and unbalanced three phase currents by this deteriorate performance of induction motor like efficiency, power factor, torque and...
Permanent magnet electric machine (PMEM) is widely employed in variety of applications because of their numerous advantages beyond other electric machines. Cogging torque is caused by the reluctance change between the stator teeth and magnet poles on the rotor, this is an inherent characteristic of PMEM. In many applications, cogging torque has become one important design specifications and consideration...
Accurate analysis of electrical machinery is of the outmost importance in the design process. Many studies have demonstrated that accurately assessing the behavior of axial flux PM machines is not an easy task, even using FEM analysis. The model proposed in the paper takes into account MMF harmonics, skewing, stator and rotor core losses with traditional and fractional winding layouts. The model is...
In this paper the flux linkage between the permanent magnets in the rotor and the stator core of a Transverse Flux machine is investigated, with a special focus on the flux concentrating setup, which allows to utilize the core materials up to their saturation limits. FEM simulations are carried out to find the relation between the flux linkage and the size of the permanent magnets. Finally new design...
In this paper, influence of the magnetic properties on rolling direction of the nonoriented electrical steel sheets were examined. We have carried out the magnetic field analyses considering the two-dimensional vector magnetic properties in the stator core of a condenser motor. The finite element method (FEM) considering Enokizono, Soda, and Shimoji modeling was used in these analyses
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