Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 23.9 35.45 31.7 38.6 23.9 35.45 31.7 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? either 1 or 2 nether 1 nor 2 Nominal ∏ Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ Nominal T ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 45 MVAr. 40.5 MVAr. 61.73 MVAr. 55.56 MVAr. 45 MVAr. 40.5 MVAr. 61.73 MVAr. 55.56 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors proximity effect All of these ferranti effect bundled conductors proximity effect All of these ferranti effect 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? 400 MW 478 MW 386 MW 456 MW 400 MW 478 MW 386 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these ANSWER DOWNLOAD EXAMIANS APP