• Alternator - Wikipedia

    In other alternators, wound field coils form an electromagnet to produce the rotating magnetic field. A device that uses permanent magnets to produce alternating ...

  • The Field near an Infinite Cylinder

    The Field near an Infinite Cylinder. ... and outside the cylinder the magnetic field is the same as that from a long straight wire placed on the axis of the ...

  • Electric motor - Wikipedia

    Most electric motors operate through the interaction between an electric motor's magnetic field and ... AC to produce a rotating magnetic field, and a …

  • AN887, AC Induction Motor Fundamentals

    extra electrical components to produce this rotating magnetic field. Two sets of electromagnets are formed inside any motor. In an AC induction motor, one set of ...

  • Halbach array - Wikipedia

    A Halbach array is a special arrangement ... The extruded magnet is exposed to a rotating field giving the ferrite particles in the magnetic compound a magnetization ...