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In this paper, the authors present a cogging torque evaluation by a new two-dimensional (2-D) analytical solution of the no-load magnetic field with the slotting effect in multi-pole surface mounted permanent-magnet (PM) motors (SMPMM). The cogging torque waveforms have been compared with the finite element analysis (FEA). The analytical results are in very good agreement with those obtained by the...
This paper deals with a design to improve operating characteristic of spoke type BLDC motor. By reason of variation magnetic field, cogging torque is generated. Cogging torque of Spoke type motor is bigger than other type permanent magnet motor. So, this paper presents a design notch on stator and variation rotor shape to reduce cogging torque of Spoke Type motor. Through Fourier formulation of magnetic...
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