Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 6.5 MW 8.5 MW 5.5 MW 4.5 MW 6.5 MW 8.5 MW 5.5 MW 4.5 MW 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? 45 kV 40 kV 36 kV 32 kV 45 kV 40 kV 36 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Steam power plant. Hydro electric power plant. Nuclear power plant. Diesel engine plant. Steam power plant. Hydro electric power plant. Nuclear power plant. Diesel engine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Steam power plant. Hydro power plant. Diesel power plant. Nuclear power plant. Steam power plant. Hydro power plant. Diesel power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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