Three Phase Induction Motors The crawling in an induction motor is caused by High loads Low voltage supply Harmonics developed in the rotor Improper design of machine High loads Low voltage supply Harmonics developed in the rotor Improper design of machine ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input (1-S) × rotor input None of the listed here S × rotor input (1+S) × rotor input (1-S) × rotor input None of the listed here S × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Above synchronous speed Any of the above Below synchronous speed Synchronous speed Above synchronous speed Any of the above Below synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Rotating Alternating Steady None of the listed here Rotating Alternating Steady None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Equal to stator poles None of the listed here Prime number Even number Equal to stator poles None of the listed here Prime number Even number ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS