Electrical Machines In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the rotor at slip rings. starting resistance in the starter. stator phases of the motor. None of these rotor at slip rings. starting resistance in the starter. stator phases of the motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Residual magnetism of the generator. Armature resistance. None of above. Field resistance. Residual magnetism of the generator. Armature resistance. None of above. Field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 980 Watt. 1960 Watt. 1800 Watt. 1920 Watt. 980 Watt. 1960 Watt. 1800 Watt. 1920 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with heavy short-circuited end rings. three phase winding. heavy copper or aluminium bars placed in rotor slots. single phase winding. heavy short-circuited end rings. three phase winding. heavy copper or aluminium bars placed in rotor slots. single phase winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 18° 36° 30° 72° 18° 36° 30° 72° ANSWER DOWNLOAD EXAMIANS APP
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