Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic difference of Eb and V arithmetic sum of Eb and V vector sum of Eb and V vector difference of Eh and V arithmetic difference of Eb and V arithmetic sum of Eb and V vector sum of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Supply phase sequence Polarity of rotor poles None of the listed here Current to field winding Supply phase sequence Polarity of rotor poles None of the listed here Current to field winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Mid way between N and S poles of stator None of the listed here 45° (electrical) behind stator poles Coincident with statorbpoles Mid way between N and S poles of stator None of the listed here 45° (electrical) behind stator poles Coincident with statorbpoles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Under excited Over excited Normally excited None of the listed here Under excited Over excited Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum None of the listed here The armature current is minimum The armature current is zero The armature current is maximum None of the listed here The armature current is minimum The armature current is zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 0° 75° 45° 30° 0° 75° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
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