Busduct is a closed metal device composed of copper and aluminum bus bars, which is used to distribute large power to various components in the distributed system. The substitution of wires and cables in the low-voltage transmission backbone project of household electricity is increasing. What is the bus duct used for? Here is a brief compilation of Jinan cable tray.
With the emergence of modern engineering facilities and equipment, the power consumption of all walks of life is growing rapidly, especially the emergence of a large number of high-rise buildings and large workshops. The traditional cables in the form of transmission conductors can no longer meet the requirements in the large current transmission system. At the same time, the use of multi-channel cables brings inconvenience to the on-site installation, construction and connection. Bus duct connection is a new type of distribution conductor.
Under the condition of large current transmission, compared with traditional cables, its advantages have been fully reflected. At the same time, due to the adoption of new technology and new process, the contact resistance and temperature rise of the connection parts at both ends of the bus duct and the plug-in part of the branch port have been greatly reduced. The bus duct is made of superior insulating materials, which improves the safety and reliability of the bus duct and makes the whole system more perfect.
The bus duct is generally composed of starting bus duct, straight bus duct (zonal and non zonal), L-shaped vertical (horizontal) elbow bus duct, Z-shaped vertical (horizontal) offset bus duct, T-shaped vertical (horizontal) three-way bus duct, X-shaped vertical (horizontal) four-way bus duct, variable capacity bus duct, expansion bus duct, end terminal, end terminal box, plug box, bus duct related accessories and fasteners.
According to the insulation mode, the bus duct can be divided into air type plug-in bus duct, plug-in bus duct with high insulation density and high-strength plug-in bus duct. According to its structure and use, it can be divided into bus ducts with dense insulation, air insulation, air additional insulation, fire-resistant insulation, resin insulation and sliding contact insulation; According to the shell material, it can be divided into steel shell, aluminum shell and steel aluminum mixed shell bus duct.
Because the bus duct uses copper bar or aluminum plate as the conductor, it has large current capacity, good electrical and mechanical properties, and uses metal trough as the shell, so it has strong combustibility, safety and reliability, and long service life. Compared with traditional power distribution or comparison, the equipment occupies a much smaller area, and has a beautiful appearance, which is very beneficial to the construction and power distribution of large buildings. To sum up, the bus duct has the following characteristics.
1. The current capacity can be very large;
2. The voltage drop is small;
3. Strong short-circuit loading capacity;
4. High reliability and long service life;
5. High degree of safety;
6. The power supply and distribution system equipment is added or replaced at will;
7. Compact shape;
8. Light weight, easy operation;
9. The connection is very simple (just like water pipe connection, a section of water pipe is connected into a system through a tee, an elbow and other joints).
10. Simple construction and inspection;
11. It has modern aesthetic taste.
In terms of economy, the bus duct itself is slightly more expensive than the cable, but compared with various accessories including wiring and the entire power system, the construction cost of bus duct is much lower, especially when there is large current capacity. For more information, please come to our website http://www.yeeones.com Consult!