Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 40.5 MVAr. 61.73 MVAr. 55.56 MVAr. 45.0 MVAr. 40.5 MVAr. 61.73 MVAr. 55.56 MVAr. 45.0 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is less than 1 greater than 1 0 1 less than 1 greater than 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 28 %. 14 %. None of above 56 %. 28 %. 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as turbine efficiency. product of efficiencies of all stages. efficiency of thermal cycle. generator efficiency. turbine efficiency. product of efficiencies of all stages. efficiency of thermal cycle. generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LL. LLG. LLLG. LG. LL. LLG. LLLG. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 8 MΩ 16 MΩ 4 MΩ 32 MΩ 8 MΩ 16 MΩ 4 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS