engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines Alternator and Synchronous Motors Alternator Parallel Operation
While keeping the excitation constant, if the steam supply of an alternator running in parallel with another identical alternator is increased, then
1
It would over-run the other alternator
2
Its rotor will fall back in phase with respect to the other machine
3
Its portion of share in load will increase
4
Its power factor would be decreased