Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Field excitation Speed Applied stator voltage Torque angle Field excitation Speed Applied stator voltage Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Positive Zero 1% 0.5% Positive Zero 1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase Decrease Remain unchanged None of the listed here Increase Decrease Remain unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has high stability limit good voltage regulation lower stability limit good speed regulation high stability limit good voltage regulation lower stability limit good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very small the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero the stator current will be very small the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero ANSWER DOWNLOAD EXAMIANS APP
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