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The calculation of cogging torque for the SIPM machine is carried out based on the finite element analysis. It is shown that the cogging torque calculated by using virtual work method is close to each other under different meshes and contour models. However the calculation of the Maxwell stress tensor method is more sensitive to the mesh and contour model. So it is extremely important for the Maxwell...
Cogging torque is produced in a permanent magnet machine by magnetic attraction between the rotor permanent magnets and the stator teeth. It is an undesirable effect that contributes to torque ripple, vibration and noise of the machine. In this paper, the resultant cogging torque values are computed using a three-dimensional (3D) finite element analysis. For this, the rotor movement is modeled by...
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