II. Synchronous Generators
Ventilation or Cooling of an Alternator • The slow speed salient pole alternators are ventilated by the fan action of the salient poles which provide circulating air.
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II. Synchronous Generators
www.uotechnology.edu.iqArmature Reaction in Synchronous Machines . Armature reaction. refers to • the influence on the magnetic field in the air gap when the phase windings a, b, and c on the stator are connected across a load. • The flux produced by the armature winding reacts with the flux set up by the poles on the rotor, causing the total flux to change.
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