Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1920W 1450W 2000W 1820W 1920W 1450W 2000W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 72° 18° 30° 36° 72° 18° 30° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place motor is under loaded. when power factor is unity. when supply voltage fluctuates. when load varies. motor is under loaded. when power factor is unity. when supply voltage fluctuates. when load varies. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Compound. Series. None of the options. Parallel. Compound. Series. None of the options. Parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos (α/2) sin (α/2) Cos α Cos α² Cos (α/2) sin (α/2) Cos α Cos α² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 25 Hz 60 Hz 40 HZ 50 Hz 25 Hz 60 Hz 40 HZ 50 Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS