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? 25% 50.5% 62.5% 75% 25% 50.5% 62.5% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 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. LLLG. LLG. LG. LL. LLLG. LLG. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 20 13 10 21 20 13 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum most economical as a peak load supply plant used as load frequency control All of these operating time is minimum most economical as a peak load supply plant used as load frequency control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by using double circuit line instead of single circuit line single pole switching decreasing generator inertia All of these using double circuit line instead of single circuit line single pole switching decreasing generator inertia All of these ANSWER DOWNLOAD EXAMIANS APP
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