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 -0.56 0.56 0.92 -0.92 -0.56 0.56 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 1.144∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase 0.344∠90° A/phase 1.144∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase 0.344∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon voltage rating of one SCR. all of these. voltage rating of whole string. no. of SCR in the string. voltage rating of one SCR. all of these. voltage rating of whole string. no. of SCR in the string. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 3 layer transmission line? 1 19 7 29 1 19 7 29 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from all of above. burning of fuel rods in oxygen. fusion of radioactive material. fission of radioactive material. all of above. burning of fuel rods in oxygen. fusion of radioactive material. fission of radioactive material. ANSWER DOWNLOAD EXAMIANS APP
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