Electric power cables different types of underground cables
| Port: | Tianjin |
| Payment Terms: | L/C,T/T,Western Union |
| Supply Ability: | 5000 Kilometer/Kilometers per Month types of underground cables |
| Place of Origin: | Hebei China |
| Brand Name: | HAOHUA |
| Model Number: | CU/PVC/XLPE(VV.YJV) |
| Insulation Material: | XLPE |
| Type: | Low Voltage |
| Application: | Construction |
| Conductor Material: | Copper |
| Jacket: | PVC |
| Color for types of underground cables: | Black,red or as requirement |
| Conductor Type: | Stranded |
| cross section: | 2.5-400mm2 |
| Payment terms: | 30% TT in advance, 70% TT before delivery. |
| Certification: | CCC,CE,ISO9001,ISO14001 |
| Packing: | Wooden drum or as per requirement for power cable |
| Company nature: | Manufactury for types of underground cables |
| Characteristic: | Waterproof types of underground cables |
| Delivery Detail: | 7-20 working days after receiving payment |
| Packaging Detail: | types of underground cables should be supplied in steel drum, wooden drum or as per requirement. |
Electric power cables different types of underground cables
Brief Introduction for types of underground cables
PVC/XLPE types of underground cables is used for transmit and distribute power in power transmission and distribution system of 35kV or lower. It is generally applied to the fields including power, construction, mines, metallurgy, petrochemical industry .
Description for types of underground cables
Conductor: Solid or stranded copper
Insulation: Cross-linked polyethylene (XLPE) or Polyvinyl chloride (PVC)
Filler: Polypropylene filament with lapped binding tape
Binder: Binding tape
Inner sheath: Polyvinyl chloride (PVC)
Amour: Galvanized steel wire armored(SWA) or steel tape armored(STA)
Sheath: Polyvinyl chloride (PVC)
Application conditions for types of underground cables
1. The long-time permissible operation temperature of conductor shall not be higher than 70oC.
2. Conductor maximum short circuit (not more than 5 s) temperature shall not be higher than 160 oC.
3. The power cable is not limited by drop in level when being laid, and the ambient temperature shall not be lower than 0 oC.If so, the cable should to be preheated.
4. Perfect chemical stability, resistant against acids, alkalis, grease and organic solvents, and flame.
Operational performance for types of underground cables
1.installation temperature:≥0°C
2. long-term permissible operation temperature≤90°C
3.Under the condition of short circuit (the max. continuing time should not exceeding 5 seconds) the max. operation temperature:250°C
4.minimum bending radius:
single-core cable: 20D, mm
multicore cable: 15D, mm
5. Suitable areas :
Direct burial in the ground and the capacity of bearing certain mechanical force, not proper in the pipeline
Specification for electrical cable
|
Type |
Description |
Main Application |
|
|
Cu core |
Al core |
||
|
YJV or YJY |
YJLV or YJLY |
Cu,Al core XLPE insulated, PVC or PE sheathed power cable |
For laying indoor, tunnel, underground and canal.Unable to bear external mechanical pulling force and pressure during laid. |
|
YJV22 or YJV23 |
YJLV22 or YJLV23 |
Cu,Al core XLPE insulated,Steel tape armoured, PVC or PE sheathed power cable |
For laying indoor, tunnel, underground and canal. Able to bear external mechanical pressure, but unable to bear large pulling force |
|
YJV32 or YJV33 |
YJLV32 or YJLV33 |
Cu,Al core XLPE insulated, fine steel wire armoured, PVC or PE sheathed power cable |
For laying in silo, underwater and large difference of level, able to bear external mechanical pressure and moderate pulling force. |
|
YJV42 or YJV43 |
YJLV42 or YJLV43 |
Cu,Al core XLPE insulated, thick steel wire armoured, PVC or PE sheathed power cable |
For laying in water, seabed and large difference of level, able to bear larger mechanical pressure and pulling force |
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