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Linear induction motors for high-speed railways

Linear induction motors for high-speed railways

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The idea of using linear motors for railway traction is not new, a patent having been filed nearly 60 years ago. However, the limitations imposed by centrifugal forces in conventional electric motors when rotating at high speed have led to a reconsideration of linear motors for traction, as they offer the advantage of having no moving parts and their efficiency increases with speed.

References

    1. 1)
      • E.R. Laithwaite . Linear induction motors. Proc. IEE
    2. 2)
      • H.W. Wilson . Electrification of railways. Trans. Liverpool Engng Soc.
    3. 3)
      • A wound rotor motor 1400 ft long. Westinghouse Engr
    4. 4)
      • F.C. Williams , E.R. Laithwaite , L.S. Piggott . Brushless variable-speed induction motors. Proc. IEE
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