STER- ACSRTM/ AS or STER-ACSRTM / AW

Aluminium Conductors, Aluminium Clad Steel Reinforced (ACSR/AS or ACSR/AW) are concentrically stranded conductors with one more layers of hard drawn 1350-H19 aluminium wires on Aluminium Clad steel wire core. The core can be single wire or stranded depending on the size.

 
Application
 
Aluminium Clad Steel Reinforced

Aluminium Clad Steel Reinforced (ACSR/AS or ACSR/AW)

High voltage overhead transmission & distribution lines and coastal regions.

Advantage

A higher UTS can be achieved by increasing core and higher current carrying capacity by increasing Al content. The mechanical properties of ACSR/AS conductors are similar to ACSR conductors but they offer improved ampacity and resistance to corrosion because of the presence of aluminium clad steel wires in the core. These conductors are better replacement for ACSR conductors where corrosive conditions exist.

MANUFACTURING CAPABILITY
SR.NO DESCRIPTION RANGE
01 Conductor Area 10.6mm2 to 1393mm2 0.0164 in2 to 2.1592 in2
02 Conductor construction 6Al/1ACS to 84Al/19ACS
03 Conductivity of Aluminium 61%
04 Conductivity of ACS Wire 20.3%
PHYSICAL PROPERTIES
At a temperature of 20°C (68°F), the density of hard-drawn aluminium has been taken as 2.703 g/cm3 (168.74 lb/cf) and aluminium clad steel wires 6.59 g/cm3 (411.40 lb/cf)

 

SR. NO. CONDUCTOR CONSTRUCTION MODOLUS OF ELASTICITY* LINEAR COEFFCIENT*
MPA KSI /OC /OF
01 6Al/1ACS 74000 10733 19.3 X 10-6 10.7 X 10-6
02 26Al/7ACS 71000 10298 19.1 X 10-6 10.6 X 10-6
03 30Al/7ACS 74000 10733 18.0 X 10-6 10.0 X 10-6
04 54Al/7ACS 65000 9427 19.5 X 10-6 10.8 X 10-6
SR. NO. DESCRIPTION RANGE
01 Permissible Temp in continuous operation 75°C 167°F
02 Temp in a short circuit (duration up to 5 s) 200°C 392°F
STANDARDS
IEC, BS, ASTM, CAN-CSA, DIN, IS, AS and relevant national and international standards.