engineering recuitment CSPTCL JE Electrical Mock Test 2023 Electrical Machines Alternator and Synchronous Motors
Which of the following statements about the armature reaction of an alternator with unity power factor is NOT true?
1
The maximum of the fundamental wave of the field will be opposite to the pole centres.
2
The armature reaction MMF is directed perpendicular to the main field MMF.
3
The distribution of stator currents and fluxes of an alternator with 30° phase displacement.
4
The distribution of stator currents and fluxes of an alternator with zero phase displacement.