Beijing Silk Road Enterprise Management Services Co.,LTD
Beijing Silk Road Enterprise Management Services Co.,LTD
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MEDIUM VOLTAGE CABLE VOLTAGE
3.6/6KV, 6/10KV, 8.7/15KV, 12/20KV, 18/20KV, 21/35KV, 26/35KV
MEDIUM VOLTAGE CABLE CONSTRUCTION
1. Conductor: Copper or aluminium (class1 or class 2)
2. Inner semi-conducting layer
3. Insulation: Cross inked polyethylene (XLPE)
4. Outer semi-conducting layer
5. Armoured or Unarmoured
6. Wrapping of conductive material
7. Screen: Braiding of copper wires or copper tape
8. Separator
9. Outer jacket: PVC or PE
MEDIUM VOLTAGE CABLE APPLICATION
With the characteristics of stable capability, advanced technology, broad material resources, low price, good flexible and easy to lay and maintain, the XLPE insulated medium voltage Cable are suitable to be laid for power distribution line with rated voltage up to 35kV.
MEDIUM VOLTAGE CABLE CHARACTERISTICS
2. During short circuit (max. permanent time is not more than 5 seconds), the max temperature of cable conductor is not more than 250°C.
3. The difference level of laying cable is not restricted. When laying the cable, ambient temperature is not lower than 0°C.
4. Light weight, good bending property and easy installation and maintenance.
| TYPE | NAME | Main Application | |
| CU core | AL core | ||
| YJV/YJY | YJLV/YJLY | XLPE insulated,PVC/PE sheathed power cable | For laying indoor ,tunnel, canal and nderground. Unable to bear external mechanical forces, but bear the traction force during laid |
| YJV22/YJV23 | YJLV22/YJLV23 | XLPE insulated,steel tape armored,PVC/PE sheathed power cable | For laying indoor ,tunnel, canal and underground. Able to bear external mechanical forces, but unable to bear large pulling force |
| YJV32/YJV33 | YJLV32/YJLV33 | XLPE insulated,thin steel wire armored,PVC/PE sheathed power cable | For laying in shaft,water underground will large difference of level. Able to bear external mechanical forces and moderate pulling force |
| YJV42/YJV43 | YJLV42/YJLV43 | XLPE insulated,thick steel wire armored,PVC/PE sheathed power cable | For laying in water and seabed. Able to bear positive pressure and pulling force |
| Type | Specification | Conductor diameter
| Nominal thickness of insulation | Nominal sheath thickness | Approx. Outer diameter of cable | Approx. Weight of cable | |
| CU | AL | ||||||
| YJV CU/XLPE/PVC YJLV AL/XLPE/PVC | mm2 | mm | mm | mm | mm | kg/km | kg/km |
| 3×25 | 6.0 | 2.5 | 2.1 | 36.1 | 1660 | 1203 | |
| 3×35 | 7.0 | 2.5 | 2.1 | 38.3 | 2018 | 1383 | |
| 3×50 | 8.4 | 2.5 | 2.2 | 41.3 | 2481 | 1619 | |
| 3×70 | 10.0 | 2.5 | 2.4 | 45.1 | 3199 | 1959 | |
| 3×95 | 11.5 | 2.5 | 2.5 | 48.6 | 4064 | 2339 | |
| 3×120 | 13.0 | 2.5 | 2.6 | 52.9 | 4902 | 2729 | |
| 3×150 | 14.5 | 2.5 | 2.7 | 55.2 | 5758 | 3072 | |
| 3×185 | 16.2 | 2.5 | 2.8 | 59.8 | 6965 | 3609 | |
| 3×240 | 18.4 | 2.5 | 3.0 | 64.7 | 8724 | 4309 | |
| 3×300 | 20.5 | 2.5 | 3.2 | 70.5 | 10701 | 5154 | |
| 3×400 | 23.5 | 2.5 | 3.4 | 78.0 | 13417 | 6340 | |