A Fully Levitated Cone-Shaped Lorentz-Type Self-Bearing Machine With Skewed Windings

@article{Abrahamsson2014AFL,
  title={A Fully Levitated Cone-Shaped Lorentz-Type Self-Bearing Machine With Skewed Windings},
  author={Johan Abrahamsson and Jim Ogren and Magnus Hedlund},
  journal={IEEE Transactions on Magnetics},
  year={2014},
  volume={50},
  pages={1-9}
}
Brushless dc coreless electric machines with double-rotor and single-stator configuration have very low losses, since the return path of the magnetic flux rotates with the permanent magnets. The eddy-current loss in the stator is additionally very small due to the lack of iron, making it ideal for kinetic energy storage. This paper presents a design for self-bearing rotor suspension, achieved by placing the stator windings skewed on a conical surface. A mathematical analysis of the force from a… CONTINUE READING

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