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? 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 5 + j 7 A -2 - j 1 A 1 + j 4 A 1 + j 2 A 5 + j 7 A -2 - j 1 A 1 + j 4 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is G-S method All of these Decoupled method N-R method G-S method All of these Decoupled method N-R method ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are No units for any quantity It has units for all quantities All of these Need of transformation ratio No units for any quantity It has units for all quantities All of these Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? Kaplan Pelton Francis None of these Kaplan Pelton Francis None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operator "a" rotates a vector nether 1 nor 2 clock wise direction anti clock wise direction either 1 or 2 nether 1 nor 2 clock wise direction anti clock wise direction either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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