engineering recuitment JSSC JE Mock Test 2023 Electrical Machines Alternator and Synchronous Motors Damper Windings
Damper windings are used in synchronous machines to
1. reduce vibrations.
2. reduce voltage fluctuations.
3. damped-out oscillations.
4. provide starting torque.
The correct code of statements is
1
Only 1 and 3
2
Only 1, 3 and 4
3
Only 2, 3 and 4
4
1, 2, 3 and 4