Scalability of surface PM Machines with concentrated windings designed to achieve wide speed ranges of constant-power operation

@article{ElRefaie2005ScalabilityOS,
  title={Scalability of surface PM Machines with concentrated windings designed to achieve wide speed ranges of constant-power operation},
  author={Ayman M. El-Refaie and T. M. Jahns},
  journal={IEEE International Conference on Electric Machines and Drives, 2005.},
  year={2005},
  pages={7 pp.-1709}
}
Previous work has shown that it is possible to design surface permanent magnet (SPM) synchronous machines, using fractional-slot concentrated windings to achieve wide speed ranges of constant-power operation. A closed-form analytical technique is now available to rapidly analyze candidate SPM machine designs using concentrated windings and tune them to meet the critical condition for optimal flux weakening. This analytical tool is used to demonstrate that optimal flux weakening can be achieved… CONTINUE READING
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