Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to S × rotor input (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 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 20 W 200 W 980 W 500 W 20 W 200 W 980 W 500 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply voltage Copper losses in motor None of these Supply frequency Supply voltage Copper losses in motor None of these Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 0.1 0 1 0.5 0.1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is K2 × torque with direct switching k/torque with direct switching k2/torque with direct switching K × torque with direct switching K2 × torque with direct switching k/torque with direct switching k2/torque with direct switching K × torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Low resistance Large slip high resistance High reactance Low resistance Large slip high resistance High reactance ANSWER DOWNLOAD EXAMIANS APP