Power Systems For accurate load flow calculations on large power systems, the best method is N-R method G-S method All of these Decoupled method N-R method G-S method All of these Decoupled method 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° â„§. Find the shunt reactor required for compensating ferranti effect? 3000 Ω 500 Ω 2000 Ω 1500 Ω 3000 Ω 500 Ω 2000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Differential relays Buccholz relays over current relays both 1 and 2 Differential relays Buccholz relays over current relays both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? 81.82 kV -81.82 kV -18.18 kV 18.18 kV 81.82 kV -81.82 kV -18.18 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. reactive powers. turbine inputs. generated voltages. generator ratings. reactive powers. turbine inputs. generated voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line any of the above short transmission line long transmission line medium transmission line any of the above short transmission line long transmission line medium transmission line ANSWER DOWNLOAD EXAMIANS APP