conductor and 5 m distance between phases, there is a horizontal connection. way placed. If we neglect the resistance of the line, the maximum that can be transmitted for the following cases calculate percent increases in power (|VS| and |VR| fixed and the power angle is limited to δ 45°). If “Partridge” conductors are replaced with “Osprey” conductors with twice the aluminum area, If a second “Partridge” conductor is placed as a double bundle 40 cm apart, If the voltage level is increased to 230 kV by increasing the phase-to-phase distances of the existing line to 8 m.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.24P
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Using a 138-kV, 50 km long line “Partridge” conductor and 5 m distance between phases, there is a horizontal connection. way placed. If we neglect the resistance of the line, the maximum that can be transmitted for the following cases calculate percent increases in power (|VS| and |VR| fixed and the power angle is limited to δ 45°).

  1. If “Partridge” conductors are replaced with “Osprey” conductors with twice the aluminum area,
  2. If a second “Partridge” conductor is placed as a double bundle 40 cm apart,
  3. If the voltage level is increased to 230 kV by increasing the phase-to-phase distances of the existing line to 8 m.
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