The Case for Induction Motors with Die-cast Copper Rotors for High Efficiency Traction Motors

@inproceedings{Kirtley2009TheCF,
  title={The Case for Induction Motors with Die-cast Copper Rotors for High Efficiency Traction Motors},
  author={James L. Kirtley and Richard F. Schiferl and Dale T. Peters and Edwin F. Brush},
  year={2009}
}
This paper considers the application of die-cast copper rotor induction motors in the drive system of parallel gas/electric hybrid vehicles and compares performance in a realistic driving scenario to that of a permanent magnet motor where efficiency is substantially reduced by PM drag loss. It is concluded from this analysis that the induction machine has a substantial advantage because it can be de-excited when it is not producing torque, eliminating no-load rotational magnetic and electrical… CONTINUE READING

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