Electrical Machines The crawling in the induction motor is caused by low voltage supply harmonics developed in the motor high loads improper design of stator laminations low voltage supply harmonics developed in the motor high loads improper design of stator laminations ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. remain the same. be unpredictable. decrease. increase remain the same. be unpredictable. decrease. increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt. 400 Amp. 0.5 Amp. 320 Amp. 800 Amp. 400 Amp. 0.5 Amp. 320 Amp. 800 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. using a flywheel. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. using a flywheel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Wave winding. Lap winding. Both wave and lap winding. No wave and lap winding. Wave winding. Lap winding. Both wave and lap winding. No wave and lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Mechanical power. Armature current. Can not be determined. Induced emf. Mechanical power. Armature current. Can not be determined. Induced emf. ANSWER DOWNLOAD EXAMIANS APP
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