Power Systems Phase shift occurs due to which of the following components? both 1 and 2 capacitance conductance inductance both 1 and 2 capacitance conductance inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 mH 2 H 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu 1 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.433∠ 80° 0.325∠ -100° 0.725∠ 80° 0.371∠ -100° 0.433∠ 80° 0.325∠ -100° 0.725∠ 80° 0.371∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? shoart transmission lines medium transmission lines both 1 and 3 long transmission lines shoart transmission lines medium transmission lines both 1 and 3 long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. over voltages due to indirect lightning stroke. power frequency of over voltages. over currents due to lightning stroke. direct strokes of lightning. over voltages due to indirect lightning stroke. power frequency of over voltages. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
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