MODELING, PRACTICAL IMPLEMENTATION AND TESTING OF A TWO-PHASE HYBRID STEPPER MOTOR: DIFFICULTIES AND PROSPECTS
DOI:
https://doi.org/10.36801/Keywords:
Magnetic field analysis, Finite element, Special electric machinesAbstract
The paper presents the three-dimensional finite element modeling (FEM) of a small-sized hybrid two-phase stepper motor (HPM) with a displacement step of 1°. The static torque characteristic and the holding torque are determined from the field solution using different three-dimensional FEM models. The difficulties of modeling a motor with significant magnetic anisotropy, specific to this type of motor with both transverse and axial magnetic fields, are explained. The essential aspects of the technological realization of this motor are presented, and the experimental results obtained for the HPM with a stator made of sheet metal are interpreted.
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