Introduction: Aluminum alloy power cables are new material power cables that use AA8030 series aluminum alloy materials as conductors and adopt special roll-formed wire stranding production processes and annealing treatment and other advanced technologies. Alloy power cables make up for the shortcomings of pure aluminum cables in the past. Although the electrical conductivity of the cables has not been improved, the bending performance, creep resistance and corrosion resistance have been greatly improved, which can ensure that the cables can maintain continuous performance stability during long-term overload and overheating. The use of AA-8030 series aluminum alloy conductors can greatly improve the conductivity and high temperature resistance of aluminum alloy cables, while solving the problems of pure aluminum conductors and creep. The conductivity of aluminum alloy is 61.8% of the most commonly used reference material copper IACS, and the current carrying capacity is 79% of copper, which is better than the pure aluminum standard.

Features: Aluminum alloy cables add copper, iron, magnesium, silicon, zinc, boron and other alloy elements to electrical aluminum. At the same time, through process adjustment, the mechanical properties of aluminum alloy conductors are greatly improved, avoiding the problems of low elongation, poor creep resistance and poor flexibility of pure aluminum conductors, and increasing the connection reliability of cable systems. In addition, the electrical properties of aluminum alloys are kept at the same level as electrical aluminum conductors, above 61% IACS.

The DC resistance assessment index of aluminum alloy electrical conductors can refer to the DC resistance value of solid conductors or stranded conductors in GB/T3956-2008 "Conductors of Cables", and there are already AA8030 and other types of rods in GB/T3954-2014 "Electrical Aluminum Round Rods". Application: Automotive aluminum alloy charging cables play an important role in modern electric vehicles, mainly due to their lightness and cost-effectiveness. With the rapid development of the new energy vehicle market, the demand for automotive cables is also increasing, especially those cable solutions that can provide better energy efficiency and reduce vehicle weight. In this case, aluminum alloy cables have become an ideal choice.

Electrical performance comparison:

Conductivity difference: Although copper has a higher conductivity than aluminum, aluminum alloy cables can still achieve conductivity comparable to copper cables through optimized design (such as appropriately increasing the cross-sectional area of aluminum conductors).

Heat resistance and heat dissipation: Aluminum cables have good heat dissipation performance, which is particularly important under long-term high-load operation. Aluminum alloy cables can work stably at higher temperatures, and due to their lightweight characteristics, they have lower heat loss under the same energy.

Voltage resistance: Aluminum cables have high voltage breakdown resistance and are suitable for high-voltage charging environments.

In summary, in the complex and demanding modern automotive engineering, aluminum alloy charging cables have become an important material choice due to their unique advantages. From the energy efficiency improvement and environmental benefits brought by its lightweight, to its significant economy; from its electrical performance comparable to that of copper cables, to its unique advantages in mechanical properties; to its production and manufacturing processes that meet domestic and international standards and specifications, aluminum alloy cables have shown great potential in practical applications.

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