Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLLG. LLG. LL. LG. LLLG. LLG. LL. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is hydro power plant pumped storage plant nuclear plant thermal plant hydro power plant pumped storage plant nuclear plant thermal plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Thermal power plant. Nuclear power plant. Gas turbine plant. Hydro electric power plant. Thermal power plant. Nuclear power plant. Gas turbine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only medium transmission lines only short transmission lines only None of these long transmission lines only medium transmission lines only short transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to 120 kV any voltage level 33 kV 11 kV 120 kV any voltage level 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS