Synchronous Motors A synchronous motor develop maximum power when load angle is 60° 90° 45° 120° 60° 90° 45° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its power factor may be varied at will its speed may be controlled more easily None of these its speed is independent of supply frequency its power factor may be varied at will its speed may be controlled more easily None of these its speed is independent of supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Rise in winding temperature Eddy current flow Shorting of coils Increased core losses Rise in winding temperature Eddy current flow Shorting of coils Increased core losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Increases hunting of the motor Improve pf of the motor Reduces windage losses Serves to start the motor Increases hunting of the motor Improve pf of the motor Reduces windage losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Low torque loads Variable speed loads Power factor corrections Fluctuating loads Low torque loads Variable speed loads Power factor corrections Fluctuating loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Over excited Normally excited Under excited None of the listed here Over excited Normally excited Under excited ANSWER DOWNLOAD EXAMIANS APP
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