AAC Conductor, All Aluminium Conductor (IEC 61089)
AAC conductor is widely used in power transmission lines with various voltage levels.
Since they have such good characteristics as simple structure, convenient installation and maintenance, low cost for the line, large transmission capacity and are also suitable for laying across rivers and valleys where special geographical teatures exist.
All aluminium conductor (AAC)
2. Relative manufacturing standards:
IEC 61089: Round wire concentric lay overhead electrical stranded conductors
Aluminum alloy 1350-H-19 wires, concentrically stranded about a steel core. Core wire for ACSR is available with class A, B, or C galvanizing; ""aluminized"" aluminum coated (AZ); Or aluminum-clad (AW). Additional corrosion protection is available through the application of grease to the corrosion or infusion of the complete cable with grease.
Resistance is calculated using ASTM standard increments of stranding and metal conductivity of 61.2% IACS for EC (1350) and 8% IACS for steel. AC (60Hz) resistance includes current dependent hysteresis loss factor for 1 and 3 layer constructions.
Current ratings are based on 75oC conductor temperature, 25oC ambient, 2ft/s wind, 96/watts/sq. Ft sun, 0.5 coefficients of emissivity and absorption.
|Code number||Nominal cross sectional area||Number of Wires||Diameter Wire||Conductor||Weight||Rated strength||Max. d.c. resistance @20°C|
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