What does ACSR stand for?

The term ACSR stands for Aluminum Conductor Steel Reinforced. This designation refers to a type of conductor that is commonly used in overhead power lines. ACSR cables consist of a core made of steel strands that provide strength and durability, allowing the cables to be tensioned over long spans without sagging excessively. The aluminum strands surrounding the steel core serve the primary function of conducting electricity since aluminum has good conductivity and is lightweight.

Using aluminum as the conductor material helps reduce the overall weight of the cable, while the steel core enhances its structural integrity, which is essential for resisting environmental stressors such as wind and ice. This combination makes ACSR an ideal choice for high-voltage transmission lines, where both strength and conductivity are critical.

Understanding the composition of ACSR is vital for linemen and others in the electrical industry as it informs decisions regarding installation, maintenance, and troubleshooting of power distribution systems.