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? 14.7 mA. 1 A. 14.76 A. 1.476 A. 14.7 mA. 1 A. 14.76 A. 1.476 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 4 F 0.5 F 1 F 2 F 4 F 0.5 F 1 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required for one half of isotope to decay. none of above. the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. the time required for one half of isotope to decay. none of above. the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. 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
Power Systems Which of the following quantities are to be calculated for generator bus? P and Q Q and δ δ and V P and V P and Q Q and δ δ and V P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the voltage level radio interference in communication lines efficiency All of these voltage level radio interference in communication lines efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
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