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

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

0.325∠ -100°

0.433∠ 80°

0.725∠ 80°

0.371∠ -100°

0.325∠ -100°

0.433∠ 80°

0.725∠ 80°

0.371∠ -100°

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Power Systems
Which of the following is used in thermal plants

Rankine cycle

Otto cycle

Joule cycle

All of these

Rankine cycle

Otto cycle

Joule cycle

All of these

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Power Systems
The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

400 Ω

840 Ω

420 Ω

210 Ω

400 Ω

840 Ω

420 Ω

210 Ω

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

35 kA.

50 kA.

45 kA.

55 kA.

35 kA.

50 kA.

45 kA.

55 kA.

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Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

shunt reactor at receiving end

shunt resistance at receiving end

All of these

shunt capacitor at receiving end

shunt reactor at receiving end

shunt resistance at receiving end

All of these

shunt capacitor at receiving end

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Power Systems
For flat voltage profile system, voltage regulation is

any of the above

50%

0%

100%

any of the above

50%

0%

100%

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Power Systems

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

Power Systems Which of the following is used in thermal plants

Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

Power Systems For flat voltage profile system, voltage regulation is

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

Power Systems
Which of the following is used in thermal plants

Power Systems
The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

Power Systems
For flat voltage profile system, voltage regulation is