engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Electrical Machines Three Phase Induction Motor Induction Motor Speed Control
In this method by injecting voltage at slip frequency in the rotor circuit, the speed of an induction motor can be changed. Determine the method mentioned in the context.
1
Voltage control
2
Rotor resistance control
3
Secondary foreign voltage control
4
Speed control