Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. None of the listed here Unity 0.8 lagging 0.8 leading None of the listed here Unity 0.8 lagging 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Remains unchanged Is increased too much Become zero Is decreased too much Remains unchanged Is increased too much Become zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Dc series motor Squirrel cage induction motor Synchronous motor Wound rotor induction motor Dc series motor Squirrel cage induction motor Synchronous motor Wound rotor induction motor ANSWER DOWNLOAD EXAMIANS APP
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 operating speed of a synchronous motor can be changed to new fixed value by changing the load using brakes changing frequency changing the supply voltage changing the load using brakes changing frequency changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 10 percent Zero 4 percent 2 percent 10 percent Zero 4 percent 2 percent ANSWER DOWNLOAD EXAMIANS APP