For a transmission line with negligible losses the lagging reactive power (VAR) delivered at the receiving end

For a transmission line with negligible losses, the lagging reactive power (VAR) delivered at the receiving end, for a given receiving end voltage, is directly proportional to the

Right Answer is:

Line voltage drop

SOLUTION

  • The VARs (lagging reactive power) delivered by a line is proportional to the line voltage drop and is independent of torque angle δ.
  • Hence, in a transmission system if, the lagging reactive power demand of the load is large, the voltage profile at that point tends to sag rather sharply.
  • To maintain the desired voltage profile, the VARs demand of the load must be met by employing condensers.
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