Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.5 pu 1 pu 0.4 pu 0.8 pu 0.5 pu 1 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following both 1 and 2 shunt capacitor shunt reactor series capacitor both 1 and 2 shunt capacitor shunt reactor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 164 × 164 163 × 163 165 × 165 162 × 162 164 × 164 163 × 163 165 × 165 162 × 162 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
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