Synchronous Motors A synchronous motor will always stop when Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable supply voltage windage friction variable frequency variable load variable supply voltage windage friction variable frequency variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles A rotary converter An induction motor An alternator A series motor A rotary converter An induction motor An alternator A series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging, leading and unity power factors Lagging power factor only Leading power factor Unity power factor only Lagging, leading and unity power factors Lagging power factor only Leading power factor Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 36 16 None of the listed here 30 36 16 None of the listed here 30 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be leading lagging zero unity leading lagging zero unity ANSWER DOWNLOAD EXAMIANS APP
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