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 Charging current under no load? 0.144∠90° A/phase 0.344∠90° A/phase 0.512∠90° A/phase 1.144∠90° A/phase 0.144∠90° A/phase 0.344∠90° A/phase 0.512∠90° A/phase 1.144∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Y bus matrix Unit matrix Z bus matrix null matrix Y bus matrix Unit matrix Z bus matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a low head turbine. high head turbine. none of above. medium head turbine. low head turbine. high head turbine. none of above. medium head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total quantity of run-off during that period. total power available. total of units of energy available. maximum rate of run-off during the period. total quantity of run-off during that period. total power available. total of units of energy available. maximum rate of run-off during the period. ANSWER DOWNLOAD EXAMIANS APP
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