Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 5 0.5 2 6 5 0.5 2 6 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles An induction motor A rotary converter A series motor An alternator An induction motor A rotary converter A series motor An alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by All of the listed here eddy current and hysteresis torque in pole faces induction motor torque in field winding induction motor torque in damper winding All of the listed here eddy current and hysteresis torque in pole faces induction motor torque in field winding induction motor torque in damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors As the load is applied to a synchronous motor, the motor takes more armature current because 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 The back e.m.f. decreases causing an increase in motor current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor excitation Flux density None of the listed here Rotor speed Rotor excitation Flux density None of the listed here Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at None of the listed here Less than synchronous speed The synchronous speed More than synchronous speed None of the listed here Less than synchronous speed The synchronous speed More than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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