Electrical Machines Hysteresis loop represents the area of copper loss total iron losses hysteresis loss eddy current loss copper loss total iron losses hysteresis loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to reduce magnetising current and improve power factor increase pull out torque improve starting torque decrease starting torque reduce magnetising current and improve power factor increase pull out torque improve starting torque decrease starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. 0o. less than 90o. Greater than 90o. 90o. 0o. less than 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Zero Nr Ns S.Ns Zero Nr Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and over excited heavily loaded and over excited heavily loaded and underexcited lightly loaded and underecited lightly loaded and over excited heavily loaded and over excited heavily loaded and underexcited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by 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. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. any of above methods. ANSWER DOWNLOAD EXAMIANS APP
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