Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will fail to pull into step Will not come upto speed Will refused ro start Will overheat in spots Will fail to pull into step Will not come upto speed Will refused ro start Will overheat in spots ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 60° 45° 90° 120° 60° 45° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 90° 120° 45° 60° 90° 120° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will run at 2/3 of synchronous speed not start take less than the rated load run with excessive vibrations run at 2/3 of synchronous speed not start take less than the rated load run with excessive vibrations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load An ordinary static capacitor bank None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque while over-excited only at synchronous speed when under loaded below or above synchronous speed while over-excited only at synchronous speed when under loaded below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP