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Power Systems

Power Systems
Nuclear reactors usually employ

 fusion.
 both of A and B.
  fission.
 none of above.

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Power Systems
Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length.

 Halves.
 Doubled.
  Increase but does not doubled.
 Decrease but does not halves.

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Power Systems
Which of the following is/are the effects of corona

 charging current increases
All of these
 power loss decreases
 interference decreases

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Power Systems
Peak load power plants is/are

 both 1 and 2
 pumped storage plant
 nuclear plants
 diesel plant

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° â„§. Find Charging current under no load?

 0.144∠90° A/phase
 1.144∠90° A/phase
 0.512∠90° A/phase
 0.344∠90° A/phase

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Power Systems
Attenuation occurs due to

 conductance
 inductance
 both 1 and 3
 resistance

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