Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by designing the motor for adequate synchronizing power. using a flywheel. any of above methods. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. using a flywheel. any of above methods. providing damper winding in the rotor pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them in magnetic neutral axis. None of these just ahead of magnetic neutral axis. just behind the magnetic neutral axis. in magnetic neutral axis. None of these just ahead of magnetic neutral axis. just behind the magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. pole core. under the interpole. under trailing pole tip. under leading pole tip. pole core. under the interpole. under trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly increase. not change. slightly decrease. None of these slightly increase. not change. slightly decrease. None of these ANSWER DOWNLOAD EXAMIANS APP
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