Influence of slot opening width and rotor pole radius on the torque of PMSM
DOI:
https://doi.org/10.24084/Keywords:
Cogging torque, finite element method, Maxwell stress, permanent magnet synchronous motor, ripple cogging, virtual workAbstract
Influence of the slot opening width and rotor pole radius on the cogging torque and total torque developed by a three-phase permanent magnet synchronous motor (PMSM) is investigated. The number of motor poles and number of stator slots are fixed. Finite element technique is used for the computation of machinecharacteristic. Core saturation is directly considered in the magnetic field calculation. Formulation based on two methods, virtual work andMaxwell stress tensor is used to find the torque.