Methods to Reduce the Cogging Torque in Permanent Magnet Synchronous Machines
Keywords:Torque, finite element method, permanent magnet machines
AbstractThe phenomenon of cogging torque in permanent magnet synchronous generators with concentrated windings is considered in this work. Dependence of fluctuation amplitude of the torque on width of stator slot opening is researched. The method to reduce the cogging torque by skewing of stator slot and opening of stator slot width equal distance between magnet and tooth on the rotor is described. The construction of this generator is obtained on the basis of numerical simulation results.
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