Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 0° electrical 45° electrical 90° electrical 30° electrical 0° electrical 45° electrical 90° electrical 30° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with speed Remains constant at all loads Varies with power factor Varies with the load Varies with speed Remains constant at all loads Varies with power factor Varies with the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Under-excited Over-excited All of these Normally excited Under-excited Over-excited All of these Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit All of the listed here A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit All of the listed here A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc series generator Dc shunt generator Synchronous motor Dc compound generator Dc series generator Dc shunt generator Synchronous motor Dc compound generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is supplied with unbalanced voltage under-loaded over-loaded None of these supplied with unbalanced voltage under-loaded over-loaded None of these ANSWER DOWNLOAD EXAMIANS APP
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