On-Load Cogging Torque Calculation in Permanent Magnet Machines

@article{Chu2013OnLoadCT,
  title={On-Load Cogging Torque Calculation in Permanent Magnet Machines},
  author={Wenqiang Chu and Zhongping Zhu},
  journal={IEEE Transactions on Magnetics},
  year={2013},
  volume={49},
  pages={2982-2989}
}
This paper investigates the on-load cogging torque calculation in permanent magnet (PM) machines. The vast majority of existing methods for calculating the cogging torque, no matter whether analytical or numerical methods, neglect the influence of load, or are inappropriate in considering the influence of load. Without using the frozen permeability method, the torque calculated by the virtual work principle includes the magnetic energy due to the armature field. When using the frozen… CONTINUE READING

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