Anchor portal

An anchor portal 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
    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 pylon and anchor portal, 380kV
  • anchor gantry, 110kV
    anchor gantry, 110kV
  • diagonal frame
    diagonal frame


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