There are two basic types of 3-phase alternators:
The revolving- __________ type rotates the three single-phase windings, located 120 mechanical degrees apart on the rotor assembly, around the inside of a fixed or stationary electromagnetic field.
The revolving- __________ type is constructed by placing the three sets of single-phase windings 120 mechanical degrees apart on a metal core around the inside of a metal housing that supports the core (the stator assembly).
An electromagnet placed in the center of the windings is rotated around the inside of the stator assembly of the three sets of single-phase windings.
A) armature; field
B) armature; armature
C) field; field
D) field; armature
Show Answer
Answer:A
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