Anchor portal

An anchor portal[1] or H-frame tower is a gantry structure supporting overhead power lines in a switchyard. Their static function is similar to a dead-end tower. Anchor portals are almost always steel-tube or steel-framework constructions.

  • A simple H-frame anchor tower consisting of two poles and one horizontal crossarm, bearing similarity to the letter H
  • anchor pylon and anchor portal, 380kV
  • anchor gantry, 110kV
  • diagonal frame
  • Multi-level gantry tower
  • Gantry tower with road underneath

References

  1. ^ kalhor, mostapha. "power electrical Engineering - Anchor portal". powertower.page.tl. Retrieved 12 June 2025.
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