Synchronous Motors A synchronous motor is a ______ motor. Variable speed None of the listed here Singly fed Variable pf Variable speed None of the listed here Singly fed Variable pf ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 45° 60° 90° 120° 45° 60° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations all of the listed here a small value of inherent regulation a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations all of the listed here a small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation High stability limit Good speed regulation Lower stability limit Good voltage regulation High stability limit Good speed regulation Lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Excitation winding gets disconnected Supply voltage frequency changes Load in motor varies Supply voltage fluctuates Excitation winding gets disconnected Supply voltage frequency changes Load in motor varies Supply voltage fluctuates ANSWER DOWNLOAD EXAMIANS APP