Electrical Engineering · AC Motors
During the starting period of a slip-ring induction motor, why are external resistances inserted into the rotor circuit?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the synchronous speed of the motor
- 2To increase rotor frequency
- 3To reduce operating slip to zero
- 4To increase starting torque and limit starting current✓
Correct answer
To increase starting torque and limit starting current
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