XLPE insulated power cable is used to transmit power on the power transmission and distribution of AC, rated voltage 35kv or ***** comparison with PVC insulation cable, It boasts not only excellent electric character, mechanical character, heat and aging-resistant character, environmental stress-resistant character and chemical corrosion-resistant character, but simple structure, light weight, no restriction by laying drop, and high temperature allowance for long-term working as well.
Executive standard
1)GB/T12706.1-2002(Equivalent IEC 60502)
Rated voltage 1kv (Um=1.2kv)and power cable
2)GB/T12706.2-2002(Equivalent IEC60502-2)Rated voltage6 kvUm=7.2kv and Um=36kv power cable
3)G/BT12706.3(VOLTAGE Grade Overstep IEC 60502-2) Rated Voltage3.5V Um=40.5kv and power cable.
Working conditions:
1) This maximum working temperature of the conductor is +90.
During having a short (lasting less than 5 seconds )the maximum temperature of the cable conductor shall not be above +250
Environment temperature should be no lower than+0 for laying the cable.
2) Bending radius allowance of the cable:
Single core cable:No steel tape cable 20D, steel tape cable 15D
Cores cable: No steel tape cable 15D steel tape cable 12D
Notes: D practical external diameter of cable.
