railway DFCCIL Executive 2025 Mock Test Electrical Machines Alternator and Synchronous Motors Alternator Voltage Regulation
Choose the incorrect statement :
1
The power factor of an alternator is determined by its load
2
For the parallel operation of poly-phase alternator, the voltage rating must be same
3
Zero power factor method of an alternator is used to find its armature resistance
4
Damper windings are used to prevent the hunting of synchronous generators