Synchronous Motors The rotor copper losses, in a synchronous motor, are met by motor input supply lines c. source armature input motor input supply lines c. source armature input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque while over-excited when under loaded only at synchronous speed below or above synchronous speed while over-excited when under loaded only at synchronous speed below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 120° 60° 90° 45° 120° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 150 to 1800 rpm 3600 to 6000 rpm None of the listed here 1800 to 3600 rpm 150 to 1800 rpm 3600 to 6000 rpm None of the listed here 1800 to 3600 rpm ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that None of these its power factor may be varied at will its speed is independent of supply frequency its speed may be controlled more easily None of these its power factor may be varied at will its speed is independent of supply frequency its speed may be controlled more easily ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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