| Customization: | Available |
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| Type: | Insulated |
| Conductor Type: | Solid |
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Insulated PVC sheathed power cable,The cables are used for power transmission and distribution systems with rated voltages of 0.6/1, 1.8/3, 3.6/6, 6/10, 8.7/10, 8.7/15, 12/20, 21/35, 26/35KV.
1. XLPE insulated, PVC sheathed power cables (YJV, YJLV) are suitable for indoors, tunnels, pipes, and buried in soil (not subject to mechanical force)
2. XLPE insulated, steel tape armored PVC sheathed power cables (YJV22, YJLV22) are suitable for indoor, tunnel, pipe penetration, and buried in soil
3. XLPE insulated, steel wire armored PVC sheathed power cables (YJV32, 42, YJLV32, 42) are suitable for shafts, water, places with drop, and can withstand external forces)
A) during normal operation of cable, the maximum conductor temperature shall be 70ºC for PVC insulation and 90ºC for XLPE insulation.
B) Maximum temperature of conductor during short circuit (maximum duration not exceeding 5 seconds) :
PVC insulation -- 160ºC for conductor cross section ≤300mm2, 140ºC for conductor cross section > 300mm2; Crosslinked PVC insulation at 250ºC.
C) When laying cables, the ambient temperature shall not be less than 0ºC, and the minimum allowable bending radius is as follows:
Single core cable: unarmored 20D, armored 15D
Multi-core cable: 15D for unarmored, 12D for armored
Where: D- actual outer diameter of cable.
D) Cable breaking force:
Aluminum core cable: 40×S (N)
Copper core cable: 70×S (N)
Note: S is the total cross-sectional area of the conductor
Product technical parameters
1. Has good high temperature resistance: XLPE insulation uses chemical or physical methods to change the structure of polyethylene molecules into a three-dimensional network structure. The three-dimensional network structure has good heat resistance and can be used in Long-term work at a high temperature of 90 degrees Celsius, the lifespan can be as long as 40 years.
2. It has good insulation performance: the performance of polyethylene not only retains the insulation performance of cross-linked polyethylene, but also has a further improvement in insulation resistance.
3. High mechanical properties: hardness, stiffness, wear resistance and impact resistance have been improved
4. Chemical resistance: XLPE itself has strong acid and alkali resistance and oil resistance
5. Environmental protection: Since the products of cross-linked polyethylene combustion are water and carbon dioxide, the environmental pollution is low, and it meets the requirements of fire safety.
6. The maximum rated temperature of the cable conductor is 90°C, and the maximum temperature of the cable conductor during short circuit (the longest duration does not exceed 5S) does not exceed 250°C.
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