With the increasing of electrical machinery, electrical xlpe cable has become more and more widely used. Related personnel continue to study and improve its design, manufacturing process, and test technology to ensure that insulated xlpe cable can operate more safely and stably. However, in recent years, with the extensive use of safe xlpe cable in urban construction and transformation, failure number has gradually increased.
Insulated xlpe cable has many advantages, but overheating has always been the main factor affecting the safe and reliable operation. Its operating temperature should not be greater than the maximum rated temperature. Although there have been many advances in the manufacturing process and structure of copper core xlpe cable, if the maximum rated temperature of electrical xlpe cable is exceeded for long-time during operation, it is still difficult to escape the fate of aging.
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