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 The angle between the rotor poles and stator poles, in a synchronous motor, is known as Angle of retardation Power factor angle Synchronising angle Torque angle Angle of retardation Power factor angle Synchronising angle Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ None of the listed here Has no losses Has a damper winding Is a doubly fed machine None of the listed here Has no losses Has a damper winding Is a doubly fed machine ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor leading zero power factor leading 0.707 power factor lagging unity power factor 0.707 power factor leading zero power factor leading 0.707 power factor lagging unity power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 90° 60° 45° 120° 90° 60° 45° 120° ANSWER DOWNLOAD EXAMIANS APP
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