Synchronous Motors The size of a synchronous motor decreases with the increase in Horse power rating Flux density Speed All of the listed here Horse power rating Flux density Speed All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity lagging leading zero unity lagging leading zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it continues to run at the same speed it runs at a slower speed it runs at a very high speed the motor stops it continues to run at the same speed it runs at a slower speed it runs at a very high speed the motor stops ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is twice equal less more twice equal less more ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles A series motor A rotary converter An induction motor An alternator A series motor A rotary converter An induction motor An alternator ANSWER DOWNLOAD EXAMIANS APP