Power Systems Condition for maximum voltage regulation tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
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 31.7 35.45 38.6 23.9 31.7 35.45 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The amount of ash content in Indian coal 60 %. 20 %. 45 %. 35 %. 60 %. 20 %. 45 %. 35 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage radio interference skin effect lighting voltage switching over voltage radio interference skin effect lighting voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is remains unaffected increased reduced any of the above remains unaffected increased reduced any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.5 pu 1 pu 0.4 pu 0.8 pu 0.5 pu 1 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS