China Yjv22 Single Core XLPE PVC Insulated Power Cable Mv Underground Power Cable, Find details about China Cable, Power Cable from Yjv22 Single Core XLPE PVC Insulated Power Cable Mv Underground Power Cable
1. Product Standard of Medium voltage xlpe power cable:
This product is manufactured according to GB/T12706.2, equivalent to IEC60502.2. Or BS, DIN, ICEA standard as customer request.
2. Application
The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv~26/35kv.
3. Operating characteristics
- Rated power-frepuency voltage U0/U: 3.6/6kv~26/35kv.
- Max.admissible operating temperature of the conductor:90ºC.
- Max. short-circurt temperature of conductor shall not exceed 2500C. (5s maximum duration)
- The ambient temperature under installation should not below 00C.
- The bending radius of a single-core cable should not less than 20 times of the cable diameter.
The bending radius of a multi-core cable should not less than 15 times of the cable diameter.
4. Table of the voltage, cores and cross-section
Item | Category A ,B | 3.6/6kV | 6/10kV | 8.7/15kV | 12/20kV | 18/30kV | 21/35kV |
Category A ,B | 6/6kV | 8.7/10kV | 12/15kV | 18/20kV | - | 26/35kV | |
Single core | mm2 | 25-1200 | 25-1200 | 35-1200 | 50-1200 | 50-1200 | 50-1200 |
Three core | mm2 | 25-400 | 25-400 | 35-400 | 50-400 | 50-400 | 50-400 |
The cable with Category A rated voltage is used in the situation requiring not over 1 min. of grounding fault lasting time. For the cable with Category B rated voltage, the grounding fault lasting time normally is not over 1 hour, max. lasting time is not over 8 hours, annual ground fault lasting time altogether should not be over 125 hours, Category C includes all the system expect Category A and B.
5. Type and Name
Type | Designation | Applications | |
YJV | Copper conductor,XLPE insulated, PVC sheathed power cable | For laying indoors,in tunnel or cable trench, unable to bear external mechanical forces. Single core cable is not allowed to laid in magnetic duct. | |
YJLV | Aluminum conductor,XLPE insulated, PVC sheathed power cable | ||
YJY | Copper conductor, XLPE insulated, PE sheathed power cable | ||
YJLY | Aluminum conductor, XLPE insulated, PE sheathed power cable | ||
YJV22 | Copper conductor,XLPE insulated,steel tapearmoured,PVC sheathed power cable | For laying indoors,in tunnel in cable trench,or direct in ground, able to bear external mechanical forces. Single core cable is not allowed to laid in magnetic duct. | |
YJLV22 | Aluminum conductor,XLPE insulated,steel tape armoured,PVC sheathed power cable | ||
YJV23 | Copper conductor,XLPE insulated,steel tape armoured,PE sheathed power cable | ||
YJLV23 | Aluminum conductor,XLPE insulated,steel tape armoured,PE sheathed power cable | ||
YJV32 | Copper conductor,XLPE insulated,steel wire armoured,PVC sheathed power cable | For laying indoors,in tunnel cable trench,well or direct in ground, able to bear external mechanical forces and certain pulling force. | |
YJLV32 | Aluminum conductor,XLPE insulated,steel wire armoured,PVC sheathed power cable | ||
YJV33 | Copper conductor,XLPE insulated,steel wire armoured,PE sheathed power cable | ||
YJLV33 | Aluminum conductor,XLPE insulated,steel wire armoured,PE sheathed power cable |