ACSR - Aluminium Conductor Steel Reinforced


Aluminium Conductor Steel Reinforced can be manufactured to different strengths by requirement. The conductor is constructed from a solid steel core, surrounded by aluminium stranding. The solid steel core is strong yet ductile, while the outer stranding of aluminium gives excellent conductivity with a low weight and low cost. The ACSR conductor is available in a range of steel strengths from as little as 6% up to 40%. The stronger the steel percentage, the more arduous tasks it can take on; the highest strength conductors are used as overhead wires, for river crossings, and any installations which require a particularly long span without support.

ACSR also has the double benefit that as well as being high strength, it is also lightweight. ACSR conductors have a higher diameter than AAC and AAAC due to their steel core, and due to this they can obtain a higher corona limit, giving the advantage for high voltage overhead lines. ACSR is also used for local distribution, suspended from wooden poles or other alternative methods.

Selection of conductor size, type and strength should take into account factors such as electrical load, voltage regulation, and corona losses. Environmental conditions such as ice and wind loading, extreme temperatures and vibration should also be considered.

Standards: ASTM - B 399 Metric Units
ASTM - B 231
TS IEC 1089
DIN 48201
BS 215
UNE 21.018
More information on Aluminium Conductors



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