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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 7
 37
 29
 1

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Power Systems
Which of the following buses is/are not PV buses?

 fixed shunt capacitor buses
 both 1 and 2
 voltage control buses
 reactive power support buses

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Power Systems
Transmission line parameters of the short transmission line are

 1,0,Y,1
 1,Z,0,1
 1,Z,Y,1
 Z,0,Y,1

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Power Systems
Steady state stability of a power system is improved by

 single pole switching
 using double circuit line instead of single circuit line
All of these
 decreasing generator inertia

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Power Systems
Mho relay is used for protection of

  medium lines.
  long lines.
  short lines.
  none of these.

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 20.
  5.
 10.
 55.1.

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