Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load Half full load Full load None of the listed here No load Half full load Full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by induction motor torque in field winding eddy current and hysteresis torque in pole faces induction motor torque in damper winding All of the listed here induction motor torque in field winding eddy current and hysteresis torque in pole faces induction motor torque in damper winding All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc compound generator Dc series generator Synchronous motor Dc shunt generator Dc compound generator Dc series generator Synchronous motor Dc shunt generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have lagging power factor with over-excitation leading power factor with under-excitation leading power factor with over-excitation no change of power factor lagging power factor with over-excitation leading power factor with under-excitation leading power factor with over-excitation no change of power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Approches half synchronous speed Is at standstill Approches synchronous speed None of the listed here Approches half synchronous speed Is at standstill Approches synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is over-loaded supplied with unbalanced voltage None of these under-loaded over-loaded supplied with unbalanced voltage None of these under-loaded ANSWER DOWNLOAD EXAMIANS APP
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