Electrical Machines The crawling in the induction motor is caused by improper design of stator laminations high loads harmonics developed in the motor low voltage supply improper design of stator laminations high loads harmonics developed in the motor low voltage supply ANSWER DOWNLOAD EXAMIANS APP
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? 2000W 1920W 1820W 1450W 2000W 1920W 1820W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Armature. Commutator. Yoke. Brush. Armature. Commutator. Yoke. Brush. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mechanical power is developed by a DC motor is maximum when none of above. back emf is equal to half of applied voltage. back emf is equal to applied voltage. back emf is equal to twice of applied voltage. none of above. back emf is equal to half of applied voltage. back emf is equal to applied voltage. back emf is equal to twice of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. any of above methods. using a flywheel. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. any of above methods. using a flywheel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to get more flux. In order to get saturated. In order to not to get saturated. All of these In order to get more flux. In order to get saturated. In order to not to get saturated. All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS