Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 800 MW 200 MW 1600 MW 400 MW 800 MW 200 MW 1600 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR increase GMD decrease and GMR increase both GMD and GMR decrease GMD increase and GMR decrease both GMD and GMR increase GMD decrease and GMR increase both GMD and GMR decrease GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine load factory at the plant. diversity factor for the plant. total power available at the site. total units of energy available. load factory at the plant. diversity factor for the plant. total power available at the site. total units of energy available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? any voltage above 33 kV 31.35 to 34.65 kV 25 to 35 kV 33 to 50 kV any voltage above 33 kV 31.35 to 34.65 kV 25 to 35 kV 33 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above ANSWER DOWNLOAD EXAMIANS APP