NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
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NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
Author: Noyafa–Cable Tester Manufacturer
How to maintain high-voltage cables Price of cable identification instrument Maintenance of high-voltage cables: 1. The surface of high-voltage cables should be kept clean, and should not be exposed to moisture, freezing, heat or pressure. When the cable is damp, the water penetrates into the interior, reducing the insulation and being easily broken down; The surface of high-voltage cables should be kept clean, and should not be exposed to moisture, freezing, heat or pressure. When the cable is damp, water penetrates into the interior, reducing the insulation and easy to be broken down; when it is frozen, the hard layer of the colloid is easy to crack and discharge; when it is heated, it is easy to absorb moisture and expand and deform; when it is pressed, the protective layer of the metal mesh layer is damaged.
2. It is necessary to prevent insulating oil from eroding high-voltage cables, because insulating oil has a strong corrosive effect on rubber. 3. Do not bend high-voltage cables excessively. If it is excessively bent, the capacitive charge formed between the core wire and the metal mesh at the bend will be concentrated, so it is easier to be broken down by high voltage at the bend.
4. The filler in the high-voltage cable plug is mostly made of rosin, asphalt, and paraffin insulating oil. The end of the X-ray tube is often melted and flowed out due to heat, so it should be checked in time, and if this happens, it should be dealt with in time. 5. The X-ray tube sleeve is grounded by the metal mesh layer of the high-voltage cable. Always pay attention to whether the fixing rings at both ends of the cable are fastened to the X-ray tube and the high-voltage generator. Check here first. 6. If the high-voltage plug has traces of high-voltage breakdown, you can use a knife to scrape out the core wire for light use, and replace it with a new one if it is serious.
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