Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting negative sequence currents are generated. the damper bars develop induction motor torque. the damper bars develop induction generator torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. the damper bars develop induction motor torque. the damper bars develop induction generator torque. the damper bars develop synchronous motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC compound motors are generally None of these. Differentical compound. Cummulative compound. Level Compound. None of these. Differentical compound. Cummulative compound. Level Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be 30 W more than 30 W less than 30 W zero watt 30 W more than 30 W less than 30 W zero watt ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. voltage transformer. power transformer. earthing transformer. current transformer. voltage transformer. power transformer. earthing transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Split phase. Capacitor start. Capacitor run. Shaded pole. Split phase. Capacitor start. Capacitor run. ANSWER DOWNLOAD EXAMIANS APP
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