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? 0.344∠90° A/phase 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase 1.144∠90° A/phase 0.144∠90° A/phase 0.512∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 3 layer transmission line? 29 19 7 1 29 19 7 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives maximum demand maximum load units generated average load maximum demand maximum load units generated average load ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 1.47 msec 4.68 msec 9.68 2.63 msec 1.47 msec 4.68 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS