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 If an induction motor is running at slip S, then rotor output is ______ S × rotor input (1+S) × rotor input (1-S) × rotor input (S-1) × rotor input S × rotor input (1+S) × rotor input (1-S) × rotor input (S-1) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times None of the listed here Equal to Two times Four times None of the listed here Equal to Two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance Inveresly proportional to supply voltage None of the listed here inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance Inveresly proportional to supply voltage 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 _______ 500 W 980 W 200 W 20 W 500 W 980 W 200 W 20 W ANSWER DOWNLOAD EXAMIANS APP