In an induction motor slip will be negative when the _________

In an induction motor slip will be negative when the _________ Correct Answer rotor rotates at speed more than synchronous speed and in the direction of the rotation of stator field

s = (Ns-Nr)/Ns; Slip is negative when rotor rotates at speed more than synchronous speed and in the direction of the rotation of stator field.
Bissoy MCQ

Related Questions

An induction motor X operating at the slip of 3%. An induction motor Y operating at slip of 40%.
A 3-phase induction motor is operating at slip ‘s’. If the slip is reversed, its slip at the instant will be _________
In a three phase induction motor, voltage between the slip rings at standstill is 50 V. At full load the slip is 0.04. The voltage between slip rings at full load is?
A 10 kW, 400 V, 3-phase, 4-pole, 50 Hz induction motor develops the rated output at rated voltage with its slip rings shorted. The maximum torque equal to twice the full load torque occurs at the slip of 10% with zero external resistance in the rotor circuit. The slip at the full load torque will be?
A 10 kW, 400 V, 3-phase, 4-pole, 50 Hz induction motor develops the rated output at rated voltage with its slip rings shorted. The maximum torque is twice the full load torque occurs at the slip of 10% with zero external resistance in the rotor circuit. An external resistance is now tripled in the rotor circuit. Then the slip at which maximum torque occur for the same load torque is?
If the squirrel-cage induction motor is replaced by a solid cylinder in an induction motor its slip will ____________
A 10 kW, 400 V, 3-phase, 4-pole, 50 Hz induction motor develops the rated output at rated voltage with its slip rings shorted. The maximum torque is twice the full load torque occurs at the slip of 10% with zero external resistance in the rotor circuit. An external resistance is now tripled in the rotor circuit. Then the stator current will _________
A 50 Hz, 4poles, a single phase induction motor is rotating in the clockwise direction at a speed of 1425 rpm. The slip of motor in the direction of rotation & opposite direction of the motor will be respectively.
For a power system having induction motor loads, an overexcited synchronous motor is also attached. The induction motor will now operate at __________
For a power system having induction motor loads, an overexcited synchronous motor is also attached. The induction motor will now operate at ________