Characteristics and Advantages of XLPE Cable

XLPE cable, cross linked polyethylene cables, as an important component of power transmission and distribution, have significant advantages. The following is a detailed explanation of their characteristics and advantages.

1、 Excellent Heat Resistance of XLPE Cable

XLPE cable are known for their excellent heat resistance, with a long-term operating temperature of up to 90 ℃. They can withstand temperatures of up to 130 ℃ when overloaded, and even withstand high temperatures of 250 ℃ in the event of a short circuit (lasting for 5 seconds). This feature far exceeds that of ordinary polyethylene (PE) and polyvinyl chloride (PVC) insulated cables, ensuring stable operation of the cables in high-temperature environments, extending their service life, and reducing maintenance costs.

2、 Excellent Electrical Performance of XLPE Cable

XLPE cable also perform well in terms of electrical performance. It maintains the good insulation properties of PE and further improves the insulation resistance, resulting in a small dielectric loss tangent (tg σ), and this performance does not change significantly with temperature. This means that XLPE cable can more effectively reduce energy loss and improve energy transmission efficiency when transmitting electrical energy.

3、 Excellent Mechanical Properties of XLPE Cable

The molecular structure of cross-linked polyethylene changes from linear to mesh, significantly improving the mechanical properties of the cable. XLPE cable not only have high strength and stiffness, but also exhibit good wear resistance and impact resistance, and can withstand large mechanical stresses. This feature makes XLPE cable more reliable during laying, installation, and use, reducing the risk of failure caused by mechanical damage.

4、 Excellent Chemical Stability of XLPE Cable

XLPE cable also have good chemical stability, with better acid and alkali resistance and oil resistance than ordinary PE cables. The main products of its combustion are water and carbon dioxide, which pose little harm to the environment and meet the requirements of modern fire safety. This feature enables XLPE cable to maintain stable performance in various complex environments, expanding their application range.

5、 XLPE Cable is Easy to Lay and Maintain

XLPE cable have a smaller bending radius and lighter weight, making them more flexible and convenient to lay. Meanwhile, as it does not contain oil, there is no situation where it cannot be laid due to oil leakage, further simplifying the laying process. In addition, the terminal handling of XLPE cable is relatively simple, reducing the difficulty of installation and maintenance.

In summary, XLPE cable have been widely used in the field of power transmission and distribution due to their excellent heat resistance, excellent electrical performance, outstanding mechanical performance, good chemical stability, and ease of installation and maintenance, and have been widely recognized by the industry.

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