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 0.25 pu 0.45 pu 0.05 pu 0.15 pu 0.25 pu 0.45 pu 0.05 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 500 MW 750 MW 250 MW 1250 MW 500 MW 750 MW 250 MW 1250 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% -10% 10% 6.92% -6.92% -10% 10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are All of these Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced Transmission line losses are reduced All of these Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by None of these Z bus method Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The 1st nuclear plant in world was commissioned in U.S.S.R. U.S.A. UAE. U.K. U.S.S.R. U.S.A. UAE. U.K. ANSWER DOWNLOAD EXAMIANS APP
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