Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Power factor angle Synchronising angle Torque angle Angle of retardation Power factor angle Synchronising angle Torque angle Angle of retardation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 10 percent 2 percent 4 percent Zero 10 percent 2 percent 4 percent Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current More than rated horseppwer output None of the listed here Less than rated horsepower output More than rated rotor current More than rated horseppwer output None of the listed here Less than rated horsepower output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry No current Alternating current Direct current All of the listed here No current Alternating current Direct current All of the listed here 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 excitation is said to be zero per cent the torque generated is maximum the excitation is said to be hundred per cent the motor is said to be fully loaded the excitation is said to be zero per cent the torque generated is maximum the excitation is said to be hundred per cent the motor is said to be fully loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Under excited None of the listed here Normally excited Over excited Under excited None of the listed here Normally excited Over excited ANSWER DOWNLOAD EXAMIANS APP