A.C. Motors

  • Noel M. Morris
Part of the Macmillan Technician Series book series (TCC)


In order to produce rotary motion in an electrical machine, the current in the rotating part must always react with the magnetic field so that it produces a force which acts in one direction only. In a d.c. machine this action is brought about using a static magnetic field, whereas in a.c. machines the magnetic field rotates at high speed (see also section 7.2).


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Copyright information

© Noel M. Morris 1978

Authors and Affiliations

  • Noel M. Morris
    • 1
  1. 1.North Staffordshire PolytechnicUK

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