How to repair and maintain a low-voltage busbar
Release Time:
Jul 15,2022
From a practical usage perspective, low-voltage busbars can accommodate numerous lines, and their safety level is high. Many people choose the product with confidence only after understanding this, ensuring higher market recognition and awareness of market feedback. The better performance of the product during use and understanding of its specific applications lead many mechanical processing and manufacturing companies to use the product with confidence, enabling it to better fulfill its functions. This is also true for low-voltage busbars. Understanding the basic use value allows for...
From a practical usage perspective, low-voltage busbars can accommodate numerous circuits, and their safety is also high. Many people choose these products with confidence after understanding this, ensuring high market recognition and positive product reviews.
It is because many users find the product's performance superior during use, and after understanding the specific application scenarios, many mechanical processing and manufacturing enterprises can use it with confidence. The product's overall functionality can also be better utilized, thus enabling better product usage. Low-voltage busbars are no exception.
Understanding the basic value of use also reveals the widespread adoption of low-voltage busbars in the market. The product is not only popular in the market but also provides enhanced safety during use. This allows more people in need to confidently choose the product, and the product can better perform its function during use.
The maintenance and upkeep of low-voltage busbars should be carried out as follows:
1. Low-voltage busbars should undergo at least one annual routine inspection during long-term operation.
2. Check that the total load current does not exceed the design current and rated current of the main low-voltage busbar.
3. Before low-voltage busbar maintenance, check that the low-voltage busbar system is de-energized! Cut off all power to the low-voltage busbar! Use a multimeter to measure the voltage of the conductor and ensure that the low-voltage busbar system is not energized before routine maintenance. This prevents high voltage from causing serious accidents that could injure or kill personnel.
4. During the operation of the low-voltage busbar, check the surrounding area for leaks, water spray, potential moisture sources, heavy objects that pose a threat to the system, heat sources that affect the temperature rise of the low-voltage busbar system, and check for foreign objects entering the low-voltage busbar. Check the components of the low-voltage busbar system for defects and corrosion, and check if the bracket springs have appropriate elasticity. Replace any identified problems immediately.
5. During long-term operation of the low-voltage busbar, the temperature rise of the joints should be checked annually. According to the standard, the temperature rise of the joints should not exceed 70K. Check if the connecting bolts at all low-voltage busbar joints and conductor contact points are loose. Prevent the joints from overheating due to loosening and increased resistance. Check for aging of the insulation material. Check if the conductive parts are melted or deformed. If interphase and insulation breakdown occurs, it should be removed section by section, checked with a high-voltage tester, the fault should be found, or the low-voltage busbar should be replaced, or the insulation coating should be reapplied. Check if the plugs and pins of the low-voltage busbar system are in good contact with the busbar.
6. Regularly clean the dust from the surface of the low-voltage busbar system to ensure good heat dissipation.
7. After the low-voltage busbar system maintenance is completed, before re-energizing, the insulation resistance should be checked and the maintenance record should be filled out.
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