Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect corona effect unsymmetrical fault All of these skin effect corona effect unsymmetrical fault All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.043 mH 1.182 mH 1.232 mH 1.093 mH 1.043 mH 1.182 mH 1.232 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 10 100, 10 100, 0.4 4, 0.4 4, 10 100, 10 100, 0.4 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on corona. switching voltage. lightning voltage. RI. corona. switching voltage. lightning voltage. RI. ANSWER DOWNLOAD EXAMIANS APP
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