Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LG LLL LLG LL LG LLL LLG LL 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 28 Ω 33 Ω 40 Ω 52 Ω 28 Ω 33 Ω 40 Ω 52 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 3000 Ω 1500 Ω 2000 Ω 750 Ω 3000 Ω 1500 Ω 2000 Ω 750 Ω 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? 163 × 163 162 × 162 165 × 165 164 × 164 163 × 163 162 × 162 165 × 165 164 × 164 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 20 - 30 %. 60 - 80 %. 30 - 45 %. 45 - 80 %. 20 - 30 %. 60 - 80 %. 30 - 45 %. 45 - 80 %. ANSWER DOWNLOAD EXAMIANS APP