Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Commutator Slip ring Series Synchronous Commutator Slip ring Series Synchronous ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S 1-S S 1/S S/1-S 1-S S 1/S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 2 to 5 % 20 to 30 % 10 to 20 % None of the listed here 2 to 5 % 20 to 30 % 10 to 20 % None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Uniform torque Less rotor losses None of the listed here Greater mechanical strength Uniform torque Less rotor losses None of the listed here Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ None of the listed here Leakage reactances are decreased No load current is decreased Leakage reactances are increased None of the listed here Leakage reactances are decreased No load current is decreased Leakage reactances are increased ANSWER DOWNLOAD EXAMIANS APP
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