Synchronous Motors An over excited synchronous motor is used for Fluctuating loads Power factor corrections Low torque loads Variable speed loads Fluctuating loads Power factor corrections Low torque loads Variable speed loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Any of the above Power factor of power drawn by the motor Applied voltage of the motor Motor speed Any of the above Power factor of power drawn by the motor Applied voltage of the motor Motor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except maximum value of coupling angle rotor excitation supply voltage direction of rotation maximum value of coupling angle rotor excitation supply voltage direction of rotation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Zero 0.5% Positive 1% Zero 0.5% Positive 1% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the torque generated is maximum the excitation is said to be zero per cent the motor is said to be fully loaded the excitation is said to be hundred per cent the torque generated is maximum the excitation is said to be zero per cent the motor is said to be fully loaded the excitation is said to be hundred per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage ANSWER DOWNLOAD EXAMIANS APP
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