field coil

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English[edit]

English Wikipedia has an article on:
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Noun[edit]

field coil (plural field coils)

  1. (electrical engineering) An electromagnet, consisting of a coil of wire through which a current flows, used to generate a magnetic field in an electromagnetic machine, typically a rotating machine such as a motor or generator.
    • 1960 May, “Testing a Brush Type "2" diesel locomotive”, in Trains Illustrated, page 304:
      The maximum permissible rises in temperature for both the main generators and the traction motors are 120° C. in the armature and 130° C. in the field coils, so that there is an ample margin of safety to meet abnormal conditions.