In the power transmission and transformation system, tubular busbars have become one of the key equipment due to their performance and wide application fields. It plays a crucial role in the safe and reliable operation of power transmission and transformation systems, as well as various types of electrical equipment.

High voltage tubular busbars have the characteristics of high current, high mechanical strength, good insulation performance, and a wide range of applications, and have therefore been increasingly recognized and accepted by more and more users. In China's power construction projects, tubular busbars play a crucial role. It is mainly used for conductor connections between power grid transmission lines and substation transformers, jumper wires in transmission lines, connecting conductors in power equipment, and overcurrent conductors in high current DC defrosting devices. As a new type of conductor, it has successfully replaced traditional rectangular, slot shaped, bar shaped busbars and flexible conductors, becoming the main force in modern power systems.

When it comes to the performance of tubular busbars, we can provide a detailed analysis from the following aspects. Firstly, the tubular busbar adopts an air type busbar duct design, which supports bare busbars (applicable to low current situations, I ≤ 400A) or busbars with surface insulation layers (applicable to high current situations, I>400A) inside the shell with insulation pads, relying on air medium to achieve insulation. This design not only ensures the insulation performance of the busbar, but also improves its safety during use.

Secondly, the enclosed shell of the tubular busbar is made of high-quality steel and has undergone processes such as acid washing, phosphating, electroplating, and spraying, resulting in excellent performance and a long service life. The protection level of the shell reaches IP43 or above, ensuring the stable operation of the busbar in various environments. In addition, the grounding design of the shell is convenient, reliable, and safe, and the continuity test of the protection test is qualified, providing strong guarantee for the safe operation of the busbar.

Furthermore, the conductor busbar of the tubular busbar complies with relevant national standards, and the reasonable structure of the insulation bolts ensures low joint temperature rise, enabling the busbar to maintain reliable and safe performance during long-term use. The surface of the busbar is coated with different insulation materials to meet the needs of various occasions, further expanding its application range.

Finally, the structural design of the tubular busbar is reasonable, and its electrical and mechanical performance is good. It is equipped with multiple functional units that can meet the needs of different occasions and provide strong support for the stable operation of the power system.

In summary, high-voltage tubular busbars play a crucial role in power transmission and transformation systems due to their excellent performance and wide range of applications. With the continuous development of the power industry, tubular busbars will continue to play a key role and contribute to the safe and reliable operation of the power system.