Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Mid way between N and S poles of stator None of the listed here 45° (electrical) behind stator poles Coincident with statorbpoles Mid way between N and S poles of stator None of the listed here 45° (electrical) behind stator poles Coincident with statorbpoles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation Good voltage regulation Lower stability limit High stability limit Good speed regulation Good voltage regulation Lower stability limit High stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles An induction motor A series motor A rotary converter An alternator An induction motor A series motor A rotary converter An alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one hour None of these one minute one second one hour None of these one minute one second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. More than None of the listed here The same as Less than More than None of the listed here The same as Less than ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for None of the listed here Higher excitation only Both higher and low excitation Low excitation only None of the listed here Higher excitation only Both higher and low excitation Low excitation only ANSWER DOWNLOAD EXAMIANS APP
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