Copper tube bus as a modern commonly used, usually we need to carry out maintenance and improvement on the whole when we install and use it. What methods can we do!
1. In the installation process, the air type insulated copper tube bus is mainly connected through the plug-in interface. The conductive copper bar at the plug-in interface is single-sided, and its joint surface is not very close. In this way, the contact area of the conductive copper bar at the plug-in interface can be doubled, and the contact resistance can be reduced by one time, so as to avoid overheating and oxidation of the conductive copper bar.
2. Some of the joints between the bus bars of dense insulated copper tubes are connected by drilling holes on the conducting copper bars with copper bolts. This will reduce the cross-section of the conductive copper bar, resulting in heating and oxidizing the conductive copper bar around the borehole. The author suggests that copper pressure plate should be used at the joint of copper tube bus bar, and the copper plate should be wider than the section of conductive copper bar, and the two sides of copper plate should be tightened with torque copper bolt until the safety neck of torque copper bolt is broken, so as to ensure the contact surface between copper plate and conductive copper bar is close and balanced, meeting the technical requirements.
3. Whether the connection between copper tube bus units is reliable or not is directly related to the safe operation of the whole power supply and distribution system. The connection quality of copper tube bus unit is determined by its internal and external reasons, such as the physical fitness of the installation personnel, the use of different installation tools and other external reasons, resulting in the connection between the copper tube bus is not tight, resulting in increased contact resistance at the connection, the conductive copper bar is heated and oxidized, forming an accident potential. Therefore, it is suggested to use torque copper bolt and torque wrench to provide a scientific basis for acceptance of internal connection of enclosed copper tube bus.
4. In the installation of the plug-in box, we know that the plug-in box is realized by the elastic force of its own copper connector and the conductive copper bar clamped at the plug-in interface of copper tube bus. Due to the poor elasticity of pure copper, with the increase of repair times, the clamping force between the copper connector and the conductive copper bar is gradually reduced, resulting in poor contact, resulting in increased contact resistance and surrounding heating. The author suggests that an auxiliary mechanical device spring should be set at the pin position of the plug box. The spring force can be controlled by the adjusting nut to ensure that the clamping force between the copper connector and the conductive copper bar is always transverse.
In the later stage, we can use the copper tube bus according to these points, so that we can use it for a long time and extend the service life.