Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Normally excited All of these Over-excited Under-excited Normally excited All of these Over-excited Under-excited 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 supply voltage rotor excitation direction of rotation maximum value of coupling angle supply voltage rotor excitation direction of rotation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at no-load and greatly over-excited fields no-load and under-excited fields normal load with minimum excitation normal load with zero excitation no-load and greatly over-excited fields no-load and under-excited fields normal load with minimum excitation normal load with zero excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Zero Two One Infinity Zero Two One Infinity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by motor input armature input c. source supply lines motor input armature input c. source supply lines ANSWER DOWNLOAD EXAMIANS APP
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