Power Systems A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be 2725 MW. 2280 MW. 1835 MW. 3257 MW. 2725 MW. 2280 MW. 1835 MW. 3257 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the copper loss corona loss surge impedance of the line voltage drop across the line copper loss corona loss surge impedance of the line voltage drop across the line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? All of these √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) All of these √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased the inductance is increased no change in inductance and resistance the resistance is increased the inductance is decreased the inductance is increased no change in inductance and resistance the resistance is increased the inductance is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 9.936 pu 7.936 pu 10.936 pu 8.936 pu 9.936 pu 7.936 pu 10.936 pu 8.936 pu ANSWER DOWNLOAD EXAMIANS APP
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