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Power Systems

Power Systems
Peak load power plants is/are

 both 1 and 2
 diesel plant
 pumped storage plant
 nuclear plants

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Power Systems
A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively?

 26° and 30°
 30° and 26°
 30° and 45°
 45° and 26°

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Power Systems
The fact that current density is higher at the surface when compared to centre is known as

All of these
 carona
 proximity effect
 skin effect

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Power Systems
A hydro power plant of run off river type should be provided with pondage so that the

 pressure inside the turbine casing remains.
 kinetic energy of the running water is fully utilized.
 operating head is controlled.
  firm capacity of plant is increased.

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Power Systems
Which of the following represents the transmission line positive sequence reactance

 2Xs + Xm
 Xm - Xs
 Xs - Xm
 Xs +2 Xm

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Power Systems
Which of the following is not a secondary nuclear fuel

 Pu239.
 U233.
 None of above.
  U235.

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