Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 30 None of the listed here 16 36 30 None of the listed here 16 36 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Has no losses None of the listed here Is a doubly fed machine Has a damper winding Has no losses None of the listed here Is a doubly fed machine Has a damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles an induction motor an alternator a rotary converter a series motor an induction motor an alternator a rotary converter a series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 0.5% Zero 1% Positive 0.5% Zero 1% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded only at synchronous speed while over-excited below or above synchronous speed when under loaded only at synchronous speed while over-excited below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load variable supply voltage variable frequency windage friction variable load variable supply voltage variable frequency windage friction ANSWER DOWNLOAD EXAMIANS APP