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ACSR Tern Greased Conductor for 400kV Transmission Line

Catalog:

Fixed installation for medium voltage (MV) power in both EX- and safe areas, general purposes. For installation in areas exposed to MUD and drilling/cleaning fluids. Meets the MUD resistance requirement in NEK TS 606:2009. Model: RFOU-8.7/15KV Brand: Grand Cable


keyword:Overhead/Aerial Cable

Detail


Description

The use of Aluminium as a material for electrical conductors has greatly developed mainly due to its electrical properties. However, Aluminium conductors for most of transmission lines which spans are quite long, it is necessary an additional mechanical support. Commonly it is used galvanized steel wires for cores of ACSR.
 

Application

Widely used as bare cable for overhead transmission lines and also as primary and secondary bare cable for distribution lines.

 

Construction
ACSR is concentrically stranded conductor with one or more layers of Aluminium wire hard-drawn 1350-H19 on the galvanized steel wire core. The core may be single wire or stranded depending on the size. Steel wire is available in Class A or B galvanization as corrosion protection.

ACSR is according to electrical and mechanical strength requirements of transmission or distribution lines, can provides an appropriate design combining the quantity of Aluminium and galvanized steel wires.

Characteristics
Construction characteristics

Code Name Tern
Type of Conductor Circular Stranded
Conductor material Aluminum / Steel Core


Dimension characteristics

Conductor cross-section 795 Kcmil
Aluminium cross-section 403.77 mm²
Conductor cross-section 431.60 mm²
Number of aluminium wires 45
Diameter of aluminium wires 3.38 mm
Number of steel wires 7
Diameter of steel wires 2.25 mm
Diameter of steel core 6.75 mm
Conductor diameter 27.03 mm
Grease Optional
Max. DC resistance of the conductor at 20°C 0.0718 Ohm/km
Approximate weight without grease 1336.1 kg/km

 

 

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