Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation Good voltage regulation High stability limit Lower stability limit Good speed regulation Good voltage regulation High stability limit Lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Independent of Directly proportional to Directly proportional to square of Invesely proportional to Independent of Directly proportional to Directly proportional to square of Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 0.5 5 2 6 0.5 5 2 6 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 75° 0° 45° 30° 75° 0° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum None of the listed here The armature current is zero The armature current is minimum The armature current is maximum None of the listed here The armature current is zero The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
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