Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Speed of the rotor Load on the motor Dc excitation only Both the speed and rotor flux Speed of the rotor Load on the motor Dc excitation only Both the speed and rotor flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Normally excited Under excited None of the listed here Over excited Normally excited Under excited None of the listed here Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging 0.707 power factor leading unity power factor zero power factor leading 0.707 power factor lagging 0.707 power factor leading unity power factor zero power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has a higher value of stability limit all of the listed here a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation a higher value of stability limit all of the listed here a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 120° 90° 60° 45° 120° 90° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of MVAR VAR kVAR None of the listed here MVAR VAR kVAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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