Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.76 A. 1.476 A. 1 A. 14.7 mA. 14.76 A. 1.476 A. 1 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by All of these using double circuit line instead of single circuit line decreasing generator inertia single pole switching All of these using double circuit line instead of single circuit line decreasing generator inertia single pole switching ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U238 and Th239. U233 and Pu239. U238 and Th232. U238 and Pu239. U238 and Th239. U233 and Pu239. U238 and Th232. U238 and Pu239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 10 sec. 5 sec. none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. ANSWER DOWNLOAD EXAMIANS APP
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