Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply Improper design of machine High loads Harmonics developed in the rotor Low voltage supply Improper design of machine High loads Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles 8 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S 1-S S/1-S S 1/S 1-S S/1-S S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ None of the listed here Supplying a variable resistive load Short-circuited Open circuited None of the listed here Supplying a variable resistive load Short-circuited Open circuited 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 None of the listed here (1+S) × rotor input S × rotor input (1-S) × rotor input None of the listed here (1+S) × rotor input S × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a double squirrel cage induction motor, the outer cage winding has _______ None of the listed here High inductance High resistance Low resistance None of the listed here High inductance High resistance Low resistance ANSWER DOWNLOAD EXAMIANS APP
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