Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine total units of energy available. load factory at the plant. total power available at the site. diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. diversity factor for the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1.098 pu 1 pu 0.98 pu 0.098 pu 1.098 pu 1 pu 0.98 pu 0.098 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? both 1 and 2 voltage control buses fixed shunt capacitor buses reactive power support buses both 1 and 2 voltage control buses fixed shunt capacitor buses reactive power support buses ANSWER DOWNLOAD EXAMIANS APP
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