Physics · Electrical Machines
In an alternator (AC generator), what is the primary function of the rotor winding?
- 1To generate alternating current directly to the external load
- 2To rectify the alternating voltage into a direct current
- 3To produce a rotating magnetic flux when excited by a DC source✓
- 4To minimize stator core losses and eliminate eddy currents
Correct answer
To produce a rotating magnetic flux when excited by a DC source
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