railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Three Phase Induction Motor Induction Motor Speed Control
What is the way of imparting braking action of three phase induction motor in plugging scheme?
1
By increasing the stator voltage magnitude
2
By decreasing the stator voltage magnitude
3
By decreasing synchronous speed
4
By reversal of the phase sequence of the stator