Introduction of YJV Electrical Cable

YJV is also called cross-linked polyethylene insulated PVC sheathed power cable. YJ refers to cross-linked polyethylene, and v refers to PVC sheath. YJV also refers to copper core cable, and yjlv refers to aluminum core cable.

YJV wire and cable, namely 0.6/1kv cross-linked polyethylene insulated PVC sheathed power cable. Cross linked polyethylene insulated power cables have excellent thermal mechanical properties, excellent electrical properties and chemical corrosion resistance. They also have the advantages of simple structure, light weight, and no drop limit for laying. They are widely used in urban power grids, mines and factories.

The cable insulation cross-linked polyethylene (XLPE) uses chemical and physical methods to convert linear molecular structure polyethylene into three-dimensional network structure cross-linked polyethylene, thereby greatly improving the thermal mechanical properties of polyethylene, thus maintaining excellent electrical performance.

The maximum rated working temperature of cross-linked polyethylene insulated power cable conductor is 90 ℃, which is higher than PVC insulated and polyethylene insulated cables, so the current carrying capacity of the cable is further improved.

Laying method

1. YJVYJLV copper (aluminum) core cross-linked polyethylene is laid indoors, in ditches and pipes, or in loose soil, but cannot withstand pressure and mechanical external force.

2. YJV22 YJLV22 copper (aluminum) core cross-linked polyethylene insulated steel tape armored PVC sheathed power cable is laid underground and can withstand external mechanical forces, but cannot withstand large tensile forces.

technical requirement

The maximum rated temperature of cable conductor is 90 ° C. In case of short circuit (the maximum duration shall not exceed 5S), the maximum temperature of cable conductor shall not exceed 250 ° C. The ambient temperature during cable laying shall not be lower than 0 ° C; the allowable bending radius during cable laying: the single core cable shall not be less than 15 times of the outer diameter of the cable; The multi-core cable shall not be less than 10 times of the outer diameter of the cable.