Overhead wires and cables are responsible for distributing electrical energy in the power system. Overhead aluminum cables lines mainly refer to overhead open lines, which are erected above the ground and use insulators to fix the transmission conductors to tower poles standing on the ground to transmit electrical energy.
ACSR type aluminum cable is an overhead cable made of stranded aluminum alloy conductors and steel cores. It is characterized by high strength and strong ability to withstand impact loads. It is suitable for power transmission across long distances such as rivers and canyons. At the same time, ACSR cable also has good corrosion resistance and heat resistance.
Disadvantages: poor electrical performance and serious inter-line coupling effect, so it is not suitable for use in urban and short-distance power transmission.
AAC type aluminum cable is a lightweight overhead cable with aluminum as conductor and no steel core support. It is characterized by a large linear conductivity coefficient and excellent electrical performance. It is suitable for small and medium power distribution transformers, branch lines, corners and other parts of short-distance power transmission and distribution systems.
Disadvantages: low strength, unable to withstand large tension and extrusion forces, and susceptible to damage caused by external factors.
AAAC type aluminum cable is an aluminum alloy power cable with excellent electrical conductivity and good corrosion resistance. It is characterized by light weight and good electrical conductivity. It is suitable for small and medium power distribution transformers, branch lines, corners, etc. in short-distance power transmission and distribution systems. parts. Compared with copper core cables, AAAC conductors are more affordable, and their transportation energy consumption per ton-kilometer is 40%-50% lower than that of copper core wires.
Disadvantages: low strength, unable to withstand large tension and extrusion forces, and susceptible to damage caused by external factors.
In general, the three types of overhead aluminum cables have their own characteristics, and the appropriate cable model should be selected based on actual needs and usage environment. When purchasing, you should choose brand products with stable, reliable quality and high cost performance to ensure the quality and safety of power transmission.
ABC cable is an overhead insulated wire composed of aluminum alloy conductor, insulation layer and sheath. They can be used in buildings and other structures to distribute electricity and provide lighting. ABC cables are safer than traditional overhead insulated conductors because they avoid ground and arc faults.
The steel core of ACSR conductors provides additional strength and stiffness, allowing the conductor to be used over long spans and under high load conditions. ACSR conductors are widely used in power transmission lines and distribution lines because of their good electrical and mechanical properties.
AAAC wire is lighter than ACSR wire, but has similar strength and conductive properties. AAAC conductors are typically used on medium-span and medium-load transmission and distribution lines.
AAC conductors are used in general transmission and distribution lines with low stress and small spacing, and are fixedly laid. Product Model JL Product Features Aluminum stranded wire has relatively low strength and cannot withstand large external forces. It is mainly used for distribution lines with small spans and small stress. The specification range of aluminum stranded wire is 16-800mm2. According to special needs, aluminum stranded wires of 1500mm2 and below can be manufactured. The selection of aluminum stranded wires should be determined based on the current carrying capacity and the long-term use temperature should not exceed 80°C.
Zhengzhou Jinshui Industrial Co., Ltd. is a wire and cable company with more than 20 years of production and export experience, specializing in the production of bare wires and ABC cables. The above is a detailed introduction to overhead wire and cable products. Different countries have different production specifications. If you have any questions, you can contact us in time. Our professional sales team is happy to provide you with services! ! !
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Cables and overhead cables need to be selected according to their specific application scenarios.
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