Power Systems A buchholz relay is used for protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults 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° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Using series capacitance Parallel transmission lines Using bundled conductors All of these Using series capacitance Parallel transmission lines Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are 1,0,Y,1 Z,0,Y,1 1,Z,Y,1 1,Z,0,1 1,0,Y,1 Z,0,Y,1 1,Z,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to remove dissolved gases in water. heat the steam. heat the feed water. remove dissolved. remove dissolved gases in water. heat the steam. heat the feed water. remove dissolved. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.4 pu 0.5 pu 0.8 pu 1 pu 0.4 pu 0.5 pu 0.8 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
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