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How much do you know about aluminum clad steel core aluminum stranded wire
Release time:
2022-04-29
Aluminum-clad steel core aluminum stranded wire refers to the reinforced conductor with single-layer or multi-layer aluminum strands stranded outside the galvanized steel core wire. The main technology is used in China's power and transmission system line design industry.
Aluminum-clad steel core aluminum stranded wire refers to the reinforced conductor with single-layer or multi-layer aluminum strands stranded outside the galvanized steel core wire. The main technology is used in China's power and transmission system line design industry.
related structure
The aluminum-clad steel core aluminum stranded wire is made of aluminum wire and steel wire stranded wire, which is suitable for overhead transmission lines.
The interior of the steel core of the invention is a steel core "core", the aluminum wire is wound on the steel core by twisting, the steel core mainly plays the role of enhancing strength, and the aluminum wire mainly plays the role of transmitting electric energy;
Related models
The model of aluminum clad steel core aluminum stranded wire can be divided into: JL/G1A JL/G1B JL/G2A JL/G2B JL/G3A
Wherein: G1A or G1B is ordinary strength steel wire.
G2A or G2B refers to through high strength steel wire.
G3A is an ultra-high strength steel wire.
Model difference: take JL/G1A-240/30 ACSR as an example.
National Standard (GB/T1179-2008),JL/G1A-240/30;
In the national standard (GB\/T1179-1983) to LGJ-240\/30 as a representative.
Main application
For high-voltage transmission system lines, due to the limited path management of tourist lines and the impossibility of mounting multiple lines on one development path, people have come up with the method that such an important path can be adopted, a set of iron towers and multiple wires, I .e. one line design is equivalent to mounting multiple lines. For 500KV transmission lines, most Chinese enterprises adopt the method of hanging four wires, this way of stringing is generally called the same tower and rack.
Related advantages
Aluminum stranded wire has the characteristics of simple structure, convenient installation and maintenance, low line cost, large transmission capacity, beneficial to rivers, river valleys, good conductivity, sufficient mechanical strength, high tensile strength, tower distance and other special geographical conditions. Therefore, it is widely used in overhead transmission and distribution lines of various voltage levels.
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