Sag & Tension

Sag and Tension Analysis for Overhead Conductors

Changes in temperature and environmental loading affect conductor position and support forces. ConductorPro lets engineers compare sag and tension results across operating temperatures and additional ice or wind loading cases, with results that can be reviewed and exported.

ConductorPro sag and tension analysis screen

Calculation Methodology

Sag and tension calculations follow the conductor mechanical behavior methodology described in CIGRE-324, Sag-Tension Calculation Methods for Overhead Lines.

  • CIGRE-324

These references identify the calculation methodology used. They do not indicate certification or independent validation of ConductorPro.

What the Results Show

Sag and tension results are reported for each temperature and loading case, so the engineer can review how a modeled span changes from one scenario to another.

  • Temperature
  • Conductor weight per unit length
  • Loading case
  • Conductor length
  • Horizontal tension
  • Vertical and total tensions at the left and right supports
  • Sag
  • Position values

Reading the Results

Sag changes across the listed temperature cases and across separate ice and wind loading cases. The values reported for any span reflect that span's inputs; they are not general design limits or promises of accuracy for other lines.

Request a demo to review sag and tension calculations using your conductor and span data.

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