Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as None of these. an inductor. A resistor. A capacitor. None of these. an inductor. A resistor. A capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. synchronizing power co efficient. restoring torque. mechanical rotatory system. damping torque. synchronizing power co efficient. restoring torque. mechanical rotatory system. damping torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means making the magnetic losses forces parallel. neutralising residual magnetism. creating residual magnetism by a DC source. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. neutralising residual magnetism. creating residual magnetism by a DC source. increasing flux density by adding extra turns of winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 300 W 500 W 400W 250 W 300 W 500 W 400W 250 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 950 rpm 1000 rpm 850 rpm 900 rpm 950 rpm 1000 rpm 850 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a standard frequency the machine operates at a particular speed known as slip speed. any of the above. normal speed. synchronous speed. slip speed. any of the above. normal speed. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS