Choosing the right type of overhead conductor is essential for the efficiency, reliability, and longevity of your power transmission or distribution system. Among the most commonly used conductors are ACSR (Aluminum Conductor Steel Reinforced), AAAC (All-Aluminum Alloy Conductor), and AAC (All-Aluminum Conductor). Each has unique properties that make it suitable for specific applications.
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Structure:
ACSR conductors consist of a central core of steel strands surrounded by layers of aluminum strands.
Key Advantages:
Best For:
Long-span overhead lines, high-voltage transmission, and environments that demand mechanical strength.
Structure:
Made entirely of aluminum alloy strands (typically aluminum-magnesium-silicon), offering a balanced mix of strength and conductivity.
Key Advantages:
Best For:
Urban and coastal areas where corrosion is a concern, medium-span lines, and locations where steel core is not required.
Structure:
Composed entirely of aluminum strands without steel reinforcement.
Key Advantages:
Best For:
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Short-span distribution lines in urban settings where high tensile strength is not critical.
At HONREY CABLE, we manufacture a full range of overhead conductors, including ACSR, AAAC, and AAC, tailored to meet the needs of power utilities and infrastructure projects worldwide. With industry expertise and a commitment to quality, we ensure our conductors meet international standards for durability, efficiency, and performance.
Whether your project requires high tensile strength, corrosion resistance, or optimal conductivity, our technical team can help you select the right conductor for your application.
An AAC conductor is a kind of cable with more stable chemical properties.
AAC conductor is also known as aluminum stranded wire. It is made from electrolytically refined aluminum with a minimum purity of 99.7%.
Concentric stranded aluminum conductors (AAC) are made of one or more hard-drawn aluminum alloys stranded together.
These conductors are used in low, medium, and high-voltage overhead lines.
AAC is widely used in urban areas, where spans are usually short but conductivity requirements are high.
The excellent corrosion resistance of aluminum makes AAC the conductor of choice for coastal areas.
AAC has limited use in transmission lines and rural power distribution due to its relatively poor strength-to-weight ratio because of the large spans used.
All aluminum conductors consist of one or more strands of aluminum wire.
Its working principle is very simple, that is, when the air is in contact with its surface, the surface will oxidize to protect the AAC conductor.
From this working principle, it is not difficult to see that AAC cable is a kind of cable with high corrosion resistance, and its service life is greatly improved.
In terms of economy, the cost of AAC conductors is lower, much lower than that of copper core cables, and the cost of installation and procurement is not high.
Judging from the operation of projects that used AAC conductors in the past, AAC conductors can guarantee absolute safety during installation, and so far there has been no safety failure during installation.
This is because AAC conductors have excellent creep resistance and flame retardancy.
Aluminum alloy can enhance the tensile strength of aluminum, and AAC conductor can support a weight of m in length, which has obvious advantages in long-distance and large-span buildings.
The bending performance of aluminum alloy is outstanding, and its materials and processing methods make it more flexible.
The flexibility of aluminum alloy is 30% higher than that of copper. The bending radius of aluminum alloy is much smaller than that of copper cables, making AAC conductors more advantageous in cable end connections.
A copper rod is 3.5 times the price of an aluminum rod, and the specific gravity of copper is 3.3 times that of aluminum, so the aluminum cable is much cheaper than copper cable, suitable for low capital projects or temporary use of electricity.
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