YJLHV22铝合金导体交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆
Suitable for distribution networks and industrial installations of transmission and distribution lines with a rated voltage of 35kV and below at 50Hz.
Executive standards：GB/T31840、GB/T 19666、GA 306
rated voltage：Aluminum alloy core cross-linked polyethylene insulated power cables of 35kV and below
1. The maximum working temperature of cable conductors: 90 ℃ for cross-linked polyethylene insulation and 70 ℃ for polyvinyl chloride insulation.
2. The maximum temperature of the cable conductor during a short circuit (maximum duration not exceeding 5 seconds) is 250 ℃ for cross-linked polyethylene insulation and 160 ℃ for polyvinyl chloride insulation;.
3. The ambient temperature during cable laying should not be lower than 0 ℃.
4. Allowable bending radius during cable laying:
a) Single core, unarmored cables should not be less than 18 times the outer diameter of the cable, and armored cables should not be less than 13 times the outer diameter of the cable;
b) Two core and above, unarmored cables should not be less than 13 times the outer diameter of the cable, and armored cables should not be less than 11 times the outer diameter of the cable;
