Synchronous Motors Hunting in a synchronous motor cannot be due to variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency variable load windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading None of the listed here 0.8 lagging Unity 0.8 leading None of the listed here 0.8 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Normally excited None of the listed here Over excited Under excited Normally excited None of the listed here Over excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ None of the listed here minimum Zero Maximum None of the listed here minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Approches synchronous speed Is at standstill Approches half synchronous speed None of the listed here Approches synchronous speed Is at standstill Approches half synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have One slip rings No slip rings Two slip rings Three slip rings One slip rings No slip rings Two slip rings Three slip rings ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS