Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vph²/Zs Vl²*√(C/L) Vl²/Zs both 1 and 2 Vph²/Zs Vl²*√(C/L) Vl²/Zs 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 sinωt? 2.63 msec 1.47 msec 9.68 msec 4.68 msec 2.63 msec 1.47 msec 9.68 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to any of the above 80 km 40 km 150 km any of the above 80 km 40 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding absolute stability swing curves relative stability stability region absolute stability swing curves relative stability stability region ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance decrease inducatance increase capacitance decrease capacitance increase inductance decrease inducatance increase capacitance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 -0.92 0.56 -0.56 0.92 -0.92 0.56 -0.56 ANSWER DOWNLOAD EXAMIANS APP
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