Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§? 200 Ω 400 Ω 160 Ω 320 Ω 200 Ω 400 Ω 160 Ω 320 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 16. 12. 6. 24. 16. 12. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as long transmission lines short transmission lines medium transmission lines any of the above long transmission lines short transmission lines medium transmission lines any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 400 MW 456 MW 386 MW 478 MW 400 MW 456 MW 386 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? All of these failure of excitation Inter phase faults over current All of these failure of excitation Inter phase faults over current ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP