Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV -81.82 kV 18.18 kV 81.82 kV -18.18 kV -81.82 kV 18.18 kV 81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for more surge impedance proper discharging of lighting surges reduce losses less surge impedance more surge impedance proper discharging of lighting surges reduce losses less surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from burning of fuel rods in oxygen. all of above. fusion of radioactive material. fission of radioactive material. burning of fuel rods in oxygen. all of above. fusion of radioactive material. fission of radioactive material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on corona. the lighting voltage. the switch voltage. R × I. corona. the lighting voltage. the switch voltage. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series ANSWER DOWNLOAD EXAMIANS APP