Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Zero Maximum minimum None of the listed here Zero Maximum minimum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ None of the listed here Approches half synchronous speed Approches synchronous speed Is at standstill None of the listed here Approches half synchronous speed Approches synchronous speed Is at standstill ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as None of these pull-out torque pull-in torque pull-up torque None of these pull-out torque pull-in torque pull-up torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to square of Invesely proportional to Independent of Directly proportional to Directly proportional to square of Invesely proportional to Independent of Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the motor is said to be fully loaded the excitation is said to be hundred per cent the torque generated is maximum the excitation is said to be zero per cent the motor is said to be fully loaded the excitation is said to be hundred per cent the torque generated is maximum the excitation is said to be zero per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles an alternator an induction motor a series motor a rotary converter an alternator an induction motor a series motor a rotary converter ANSWER DOWNLOAD EXAMIANS APP