Which type of conductor (e.g., ACSR, AAAC) is best suited for 11kV overhead lines and why?

2025-08-13

The choice between different conductors like Aluminium Conductor Steel Reinforced (ACSR) and All Aluminium Alloy Conductor (AAAC) depends on the specific application requirements.

  • ACSR: A popular choice for longer spans due to its high tensile strength provided by the steel core. The steel core takes the mechanical load, while the outer aluminum strands carry the current.

  • AAAC: Offers a higher strength-to-weight ratio and superior corrosion resistance compared to ACSR. It's often used in coastal or industrial areas where corrosion is a concern.

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