Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLL LG LL LLG LLL LG LL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.2 pu 0.4 pu 0.5 pu 0.1 pu 0.2 pu 0.4 pu 0.5 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants has the maximum eapital cost Hydro-plants. Nuclear plants. Steam plants. Diesel plants. Hydro-plants. Nuclear plants. Steam plants. Diesel plants. ANSWER DOWNLOAD EXAMIANS APP
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