Steel portals for 35-500kV outdoor switchgear
Unified steel structures for outdoor switchgear (OSG) of voltage 35-330 kV are designed for the suspension of bus-bar and installed in open areas of high-voltage stations.
Portals bus are made free-standing in a U-shaped structure with clamped on the foundation pillars and swivel racks with crossbars.
Girders are made with a lattice-type connection on the lap welding or a compound of the elements on the bolts.
For the manufacture of portals steel of C245 or C345 grades is mainly used.
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Type |
Technological appointment
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Bus-typed |
Mounting of wires of busbars
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Cellular |
ЛистогMounting of wires of the upper tier cellular busbarибы
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Linking |
Mounting of wires of jumpers bus
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Transformer |
Fixing of wires of transformers bus system
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