Synchronous Motors A synchronous machine with low value of short-circuit ratio has lower stability limit good speed regulation good voltage regulation high stability limit lower stability limit good speed regulation good voltage regulation high stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Two slip rings Three slip rings One slip rings No slip rings Two slip rings Three slip rings One slip rings No slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Change supply frequency Interchange any two stator lines None of the listed here Reduce dc field excitation to zero Change supply frequency Interchange any two stator lines None of the listed here Reduce dc field excitation to zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 lagging None of the listed here 0.8 leading Unity 0.8 lagging None of the listed here 0.8 leading Unity 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-in torque pull-out torque pull-up torque None of these pull-in torque pull-out torque pull-up torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Field excitation Applied stator voltage Torque angle Speed Field excitation Applied stator voltage Torque angle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS