Power Systems The power output from an hydroelectric plants depend on type of turbine, type of dam and type of catchment area. type of dam, type of catchment area and discharge. discharge, system efficiency. type of dam, head, system efficiency. type of turbine, type of dam and type of catchment area. type of dam, type of catchment area and discharge. discharge, system efficiency. type of dam, head, system efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 86%% 75% 90% 50% 86%% 75% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for reduce ferranti effect compensation of arcing grounds improve power factor increase the voltage level reduce ferranti effect compensation of arcing grounds improve power factor increase the voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total of units of energy available. maximum rate of run-off during the period. total power available. total quantity of run-off during that period. total of units of energy available. maximum rate of run-off during the period. total power available. total quantity of run-off during that period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 30° 45° 60° 35° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
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 the shunt reactor required for compensating ferranti effect? 1500 Ω 2000 Ω 3000 Ω 500 Ω 1500 Ω 2000 Ω 3000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
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