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°

0.371∠ -100°

0.433∠ 80°

0.725∠ 80°

0.325∠ -100°

0.371∠ -100°

0.433∠ 80°

0.725∠ 80°

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Power Systems
The skin effect of conductor will increase when

frequency decrease

diameter decrease

All of these

resistivity decrease

frequency decrease

diameter decrease

All of these

resistivity decrease

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Power Systems
The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power?

3.535 pu

7 pu

5 pu

5.353 pu

3.535 pu

7 pu

5 pu

5.353 pu

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Power Systems
Operating cost of thermal power station is

less than that of hydroelectric power plant.

is the same as that of nuclear power plant.

less than that of nuclear power plant.

less than that of diesel power plant.

less than that of hydroelectric power plant.

is the same as that of nuclear power plant.

less than that of nuclear power plant.

less than that of diesel power plant.

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Power Systems
In Francis turbine runner, the number blades is usually of the order of

16 - 24.

12 - 14.

6 - 8.

3 - 6.

16 - 24.

12 - 14.

6 - 8.

3 - 6.

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?

Air blast CB.

SF6 CB.

Oil CB.

Vacuum CB.

Air blast CB.

SF6 CB.

Oil CB.

Vacuum CB.

ANSWER DOWNLOAD EXAMIANS APP

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 The skin effect of conductor will increase when

Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power?

Power Systems Operating cost of thermal power station is

Power Systems In Francis turbine runner, the number blades is usually of the order of

Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?

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
The skin effect of conductor will increase when

Power Systems
The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power?

Power Systems
Operating cost of thermal power station is

Power Systems
In Francis turbine runner, the number blades is usually of the order of

Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?