Iron losses in salient permanent magnet machines at field-weakening operation

@article{Magnussen2004IronLI,
  title={Iron losses in salient permanent magnet machines at field-weakening operation},
  author={Frode Magnussen and Y. K. Chin and Juliette Soulard and A. Broddefalk and S. Eriksson and Chandur Sadarangani},
  journal={Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.},
  year={2004},
  volume={1},
  pages={-47}
}
Permanent magnet machines for electric vehicles are often designed with a magnetic saliency to improve the torque generation as a result of the reluctance torque at field-weakening operation. The armature reaction is pronounced in such operation, leading to extensive magnetic field harmonics in the teeth and consequently iron losses. This paper analyses the iron losses in two designed machine topologies, inset and interior permanent magnet rotor structures, by measurements and finite element… CONTINUE READING
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