Barrel mast
A barrel mast is a design of masts for electrical overhead lines .
A barrel mast is characterized by the fact that it has three cross members , of which the middle one has the largest span. This leads to a barrel-shaped profile of the pipe. The spans of the upper and lower traverse are often the same; However, the lower one can also be wider than the upper one, in order to leave the conductors with sufficient distance from the mast body, which widens downwards. Compared to Danube masts, barrel masts have a narrow route width, but are higher.
Barrel masts are not often found in Germany because the Danube mast is preferred here . In other countries, barrel masts are common, for example in the National Grid , Great Britain's extra-high voltage network, it is the standard design.
A special form is a barrel mast with circuits in a one-level arrangement , whereby the conductors of a circuit are attached in one level. Such barrel masts then carry up to six three-phase circuits on their three trusses.
Barrel mast of the 380 kV line Bl. 4127 of Amprion GmbH near Kirberg
The 380 kV Sils-Fällanden line on barrel masts near Bubikon
A medium-voltage line laid on concrete barrel masts runs parallel to an SBB railway line .
Mast tons of Gemmileitung
380 and 220 kV barrel masts in the typical construction of Axpo AG
Axpo AG's barrel mast for 380 kV near Gansingen
A medium-voltage line crosses the Klingnau reservoir
older 110 kV line near Kelsterbach
345 kV tubular steel mast in Wisconsin