Power Systems Units of incremental cost is Rs/hr Rs/MWhr RsMW/hr MWhr/Rs Rs/hr Rs/MWhr RsMW/hr MWhr/Rs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Halves. Increase but does not doubled. Decrease but does not halves. Doubled. Halves. Increase but does not doubled. Decrease but does not halves. Doubled. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are 1,0,Y,1 1,Z,0,1 1,Z,Y,1 Z,0,Y,1 1,0,Y,1 1,Z,0,1 1,Z,Y,1 Z,0,Y,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 7.25 pu 4.28 pu 3.75 pu 2.5 pu 7.25 pu 4.28 pu 3.75 pu 2.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 2 10 6 16 2 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS