Engineering:Anchor portal
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Revision as of 10:30, 5 August 2021 by imported>PolicyEnforcerIA (attribution)
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.
anchor pylon and anchor portal, 380kV
anchor gantry, 110kV
diagonal frame
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