The purpose of using short-circuit gear is___________?

Polyphase Induction Motors 15/12/2021

A. to short circuit the rotor at slip rings
B. to short circuit the starting resistances in the starter
C. to short circuit the stator phase of motor to form star
D. none of the above

Related Mcqs:

    The number of slip rings on a squirrel cage induction motor is usually____________?
    A. two B. three C. four D. none...
    The crawling in the induction motor is caused by____________?
    A. low voltage supply B. high loads C. harmonics develped in the motor D. improper design of the machine E. none of the above...
    The maximum torque in an induction motor depends on___________?
    A. frequency B. rotor inductive reactance C. square of supply voltage D. all of the above...
    The starting torque of a 3-phase squirrel cage induction motor is____________?
    A. twice the full load torque B. 1.5 times the full load torque C. equal to full load torque...
    Temperature of the stator winding of a three phase induction motor is obtained by___________?
    A. resistance rise method B. thermometer method C. embedded temperature method D. all above methods...

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