Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 3000 Ω 500 Ω 2000 Ω 1500 Ω 3000 Ω 500 Ω 2000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 50.5% 25% 62.5% 75% 50.5% 25% 62.5% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these carona proximity effect skin effect All of these carona proximity effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of medium lines. long lines. none of these. short lines. medium lines. long lines. none of these. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. long transmission lines. short length lines. medium length lines. no length criterion. long transmission lines. short length lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 90% 75% 50% 86%% 90% 75% 50% ANSWER DOWNLOAD EXAMIANS APP
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