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 no load receiving end voltage? 600 kV 320 kv 400 kV 500 kV 600 kV 320 kv 400 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 Applicable for large power system network Time taken for each iteration is less Number of iterations are less both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 0.90. 0.75. 1.20. 1.05. 0.90. 0.75. 1.20. 1.05. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network All of these negative sequence network positive sequence network zero sequence network All of these negative sequence network positive sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Transmission system must be more efficient with minimum line losses nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 Transmission system must be more efficient with minimum line losses nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 5.5 MW 4.5 MW 8.5 MW 6.5 MW 5.5 MW 4.5 MW 8.5 MW 6.5 MW ANSWER DOWNLOAD EXAMIANS APP