Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH 2 mH 2 H ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 6. 16. 24. 12. 6. 16. 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in All of these underground cable overhead transmission lines communication lines All of these underground cable overhead transmission lines communication lines 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 -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix both 1 and 2 Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor All of these generation excitation control series capacitor shunt capacitor All of these generation excitation control series capacitor ANSWER DOWNLOAD EXAMIANS APP
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