Synchronous Motors An over excited synchronous motor behaves as _____ None of the listed here A capacitor An inductor A resistor None of the listed here A capacitor An inductor A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors As the load is applied to a synchronous motor, the motor takes more armature current because The back e.m.f. decreases causing an increase in motor current The increased load has to take more current The rotor strengthens the rotating field causing more motor current The rotor by shifting its phase backward causes motor to take more current The back e.m.f. decreases causing an increase in motor current The increased load has to take more current The rotor strengthens the rotating field causing more motor current The rotor by shifting its phase backward causes motor to take more current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ None of the listed here Field excitation Supply frequency Mechanical load None of the listed here Field excitation Supply frequency Mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc shunt generator Dc compound generator Synchronous motor Dc series generator Dc shunt generator Dc compound generator Synchronous motor Dc series generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Dc compound motor Provinding damper winding All of the listed here Pony motor Dc compound motor Provinding damper winding All of the listed here Pony motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The efficiency of a properly designed synchronous motor will usually fall in range 85 to 95% 60 to 70% 99 to 99.5% 75 to 80% 85 to 95% 60 to 70% 99 to 99.5% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
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