Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 5 6 3 12 5 6 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 931.4 MeV. 180.5 MeV. 251.2 MeV. 120.4 MeV. 931.4 MeV. 180.5 MeV. 251.2 MeV. 120.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
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? 2 H 15.9 H 2 mH 15.9 mH 2 H 15.9 H 2 mH 15.9 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 initial cost is low smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 initial cost is low 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 4.68 msec 1.47 msec 9.68 msec 2.63 msec 4.68 msec 1.47 msec 9.68 msec ANSWER DOWNLOAD EXAMIANS APP