Synchronous Motors A synchronous motor can develop synchronous torque only at synchronous speed below or above synchronous speed while over-excited when under loaded only at synchronous speed below or above synchronous speed while over-excited when under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Increases as the load increases Decreases as the load decreases Always remains constant None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation good voltage regulation high stability limit lower stability limit good speed regulation good voltage regulation high stability limit lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Wound rotor induction motor Squirrel cage induction motor Synchronous motor Dc series motor Wound rotor induction motor Squirrel cage induction motor Synchronous motor Dc series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by motor input armature input c. source supply lines motor input armature input c. source supply lines ANSWER DOWNLOAD EXAMIANS APP
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