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Power Systems

Power Systems
Among the following which is not non conventional energy

  Wind.
  Geothermal.
  Tidal.
  Nuclear.

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Power Systems
Which of the following transmission line is most practically used in load flow analysis?

 either 1 or 2
 Nominal ∏
 Nominal T
 nether 1 nor 2

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Power Systems
With reference to hydrometer station, the graphical representation of the discharge as function of time is known as

 Load duration curve.
 Hectograph.
  Hydro-graph.
 Monograph.

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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?

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

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Power Systems
Which of the following is not base load power plant

  Nuclear.
  Run water.
  Diesel.
  Pump storage.

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is

 12.5 A
 6.25 A
 15 A
 10 A

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