Thursday 2 June 2011

Q & A

Alternator differ from a D.C Generator?
produce 3 phase A.C supply
Stator:Contains Armature winding
Rotor:Contains field winding

Why 3 phase alternator generally star connected?
Requires less number of turns when star connected
Requires less insulation
Undesired harmonics can be avoided

What are turbo alternators?
The alternators which is build in non salient pole construction and having small no. of poles to get high speed is called turbo alternators.