Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S 1-S S/1-S 1/S S 1-S S/1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is 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 k2/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from All of these Blocked rotor test Stator resistance test No-load test All of these Blocked rotor test Stator resistance test No-load test ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 1.5 Hz 2.5 Hz 0.05 Hz 5 Hz 1.5 Hz 2.5 Hz 0.05 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 80 to 90% 95 to 98 % 60 to 90% 99% 80 to 90% 95 to 98 % 60 to 90% ANSWER DOWNLOAD EXAMIANS APP
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