Explain the construction of alternator with neat diagram.
Diagram:
Construction of three phase alternator: Construction wise, an alternator generally consists of field poles placed on the rotating fixture of the machine i.e. rotor as shown in the figure above. In most practical construction of alternator, it is installed with a stationary armature winding. There are mainly two types of rotor used in construction of alternator, 1. Salient pole type. 2. Cylindrical rotor type.