Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 smooth voltage regulation is possible by controlling excitation initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 smooth voltage regulation is possible by controlling excitation 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? -0.56 0.56 0.92 -0.92 -0.56 0.56 0.92 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of inductance value increasing of voltage level both 1 and 2 increasing of capacitance value increasing of inductance value increasing of voltage level both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the All of these negative sequence network positive sequence network zero sequence network All of these negative sequence network positive sequence network zero sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.043 mH 1.182 mH 1.093 mH 1.232 mH 1.043 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
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