Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause All of these heating of rotor. vibrations. double frequency currents in the rotor. All of these heating of rotor. vibrations. double frequency currents in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce hysteresis loss. friction and windage loss. eddy current loss. copper loss. hysteresis loss. friction and windage loss. eddy current loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. None of these The leakage reactance of the induction motor should be small. Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. both 1 and 2. increase the load current. decrease the load current. suppress the hunting. both 1 and 2. increase the load current. decrease the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases remains constant. decreases. increases. decreases remains constant. decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
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