Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded supplied with unbalanced voltage over-loaded None of these under-loaded supplied with unbalanced voltage over-loaded None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Under-excited Normally excited Over-excited All of these Under-excited Normally excited Over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ None of the listed here Maximum minimum Zero None of the listed here Maximum minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Variable frequency Windage friction Variable load Variable supply frequency Variable frequency Windage friction Variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles a series motor an alternator an induction motor a rotary converter a series motor an alternator an induction motor a rotary converter ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has 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 a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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