Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited Under-excited All of these Normally excited Over-excited Under-excited All of these Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Nonsalient pole type Identical to that of a dc motor None of the listed here Salient pole type Nonsalient pole type Identical to that of a dc motor None of the listed here Salient pole type ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Stainless steel Chrome steel Mild steel Alcino Stainless steel Chrome steel Mild steel Alcino ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at no-load and under-excited fields normal load with minimum excitation normal load with zero excitation no-load and greatly over-excited fields no-load and under-excited fields normal load with minimum excitation normal load with zero excitation no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP
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