Synchronous Motors Mostly, synchronous motors are of Alternator type machines Smooth cylindrical type machines Induction type machines Salient pole type machines Alternator type machines Smooth cylindrical type machines Induction type machines Salient pole type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the supply voltage changing frequency using brakes changing the load changing the supply voltage changing frequency using brakes changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has High stability limit Good voltage regulation Good speed regulation Lower stability limit High stability limit Good voltage regulation Good speed regulation Lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Variable pf Variable speed Singly fed None of the listed here Variable pf Variable speed Singly fed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Dc series motor Squirrel cage induction motor Wound rotor induction motor Synchronous motor Dc series motor Squirrel cage induction motor Wound rotor induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP