[pdf] [/pdf] [short] ACSR – Aluminum Conductor Steel Reinforced Utility Wire Applications: ACSR wire, or Aluminum Conductor Steel Reinforced cable, is an electrical cable mainly used for distribution services as well as bare overhead transmission, both primary and secondary, in various industrial settings, including construction. ACSR cable is especially suitable for line design due to its steel core strand, which increases the strength of the cable without sacrificing its ampacity, yet affects the ACSR wire price. The aluminum alloy conductor in ACSR wire prevents overheating and allows for extra flexibility of the electrical wire. Also Known As: Steel reinforced cable, acsr wire, acsr cable, aluminum conductor steel reinforced, acsr aluminum conductor steel reinforced, all aluminum conductor, aluminum alloy cable, abrasive resistant cable, transmission overhead, overhead power line components. Standards: B-230 Aluminum wire, 1350-H19 for Electrical Purposes B-231 Aluminum conductors, concentric lay stranded B-232 Aluminum conductors, concentric lay stranded, coated steel reinforced (ACSR) B-341 Aluminum coated steel core wire for aluminum conductors, steel reinforced (ACSR/AZ) B-498 Zinc coated steel core wire for aluminum conductors, steel reinforced (ACSR) B-500 Metallic coat Construction Conductors: ACSR (aluminum conductor steel reinforced) has a concentric steel core stranding conductor consisting of Aluminum Alloy 1350-H19 wires, available with Class A, B, or C galvanizing, aluminum coated (AZ), or with aluminum-clad steel core (AL). [/short] ACSR – Aluminum Conductor Steel Reinforced Utility Wire ACSR conductors are made of Aluminum alloyed 1350-H19 wires which are flexible. They are concentrically stranded round the steel core. The stranding enables it to carry more current without overheating. It is available with Class A, B and C galvanized that is greased at the core. With this design the ACSR conductor has high strength and still delivers the right amount of ampacity. Standards and Approvals ASTM B-230 for 1350-H19 Aluminum series ASTM B-231 Concentric lay stranded Aluminum conductors ASTM B-232 for ACSR ASTM B-341 Coated steel core wire ASTM B-498 Zinc coated and steel reinforced ATM B-500 metallic core Requirements by the NEC Features Conductor’s size The ACSR has three code words which have different measurements and weights. They include;Swannate 4 AWG with a nominal cross sectional area of 26.47mm2 weighing 92.3 kg/km. Linnet 336.4 AWG has a cross sectional area of 198.4mm2 and weighs 689 kg/km.Bittern weighs 2134 kg/km with a cross sectional area of 489.1 mm2. Bittern is size 1272 as per American Wire Gauge. Conductor’s workability Galvanized Aluminum conductors improves the electrical transmission of the cable, as they are oxidative resistant and thus do not get corroded by industrial chemicals. This ensures steady power flow. It is also resistant to moisture which may cause rusting of the conductor. Applications ACSR is installed through overhead method and is used as a bare power cable in primary and secondary transmission lines. ACSR cable is versatile and can be put in to use in other industrial applications including construction sites.
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