Electrical Machines Inter pole winding is connected in-------------------------- ? series with main poles series with armature parallel with main poles parallel with armature series with main poles series with armature parallel with main poles parallel with armature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 1 Hz 50 Hz 5 Hz 0 Hz 1 Hz 50 Hz 5 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the motor may not start. the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. the starting torque becomes low. the starting current will be enormously high. the motor may run away. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. Greater than 90o. less than 90o. 0o. 90o. Greater than 90o. less than 90o. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = θmech θelec = 4/P*θmech θelec = P/2*θmech θelec = 2/P*θmech θelec = θmech θelec = 4/P*θmech θelec = P/2*θmech θelec = 2/P*θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to improve starting torque increase pull out torque reduce magnetising current and improve power factor decrease starting torque improve starting torque increase pull out torque reduce magnetising current and improve power factor decrease starting torque ANSWER DOWNLOAD EXAMIANS APP
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