Hv Cable Underground 66kv 132kv XLPE Cable

1. The main standards include, but are not limited to IEC Standard

  1) IEC 60060:2010 High Voltage Testing Technology;

  2) IEC 60228:2004 Insulated Cable Conductor;

  3) IEC 60229:2007 Test on Extruded Cable Sheath With Special Protective Function;

  4) IEC 60230:1966 Impact Test on Cable and Cable Accessories;

  5) IEC 60071:2006 Insulation Co-ordination;

  6) IEC 60287:2006 Rated Continuous Current Calculation of Cable;

  7) IEC 60811:2001 Non-electrical Test & Material Test;

  8) IEC 60 859:1999 Jointing of Cable and GIS with Rated Voltage of 72.5kV and Above;

  9) IEC 60949:2008 calculation of permissible shor t circuit thermal stability current considering the effect of non-insulated heat;

10) IEC 60885:1988 Electrical Test Methods for Power Cable;

11) IEC 60183:1990 High Voltage Cable Select Guide;

12) Test Method and Requirement with Rated Voltage of 150kV(Um=170kV) to 500kV(Um=550kV);

13) IEC60840:2004 Extruded Insulated Power Cable Test Method and Requirement with Rated Voltage of 30kV(Um=36kV) to 150kV (Um=170kV).

     Meanwhile, our company can also manufacture cable products according to other standards such as ASTM, AS and BS Standard.
National Standard of China

1) DL/T401-2002 High-voltage Cable Selection Rules;

2) GB/T 3956-2008 Cable Conductor;

3) GB/T 2952-2008 Cable Outer Sheath;

4) GB/T 3048 -2007 Electrical Performance Test Methods of Wire and Cable;

5) GB/T 22078 -2008 Insulated XLPE Power C able and Accessories with Rated Voltage of 500kV (Um=550kV);

6) GB/T 11017-2002 Insulated XLPE Power Cable and Accessories with Rated Voltage of 110kV;

7) GB/T 18890-2002 Insulated XLPE Power Cable and Accessories with Rated Voltage of  220kV (Um=252kV).

2. Service Conditions

Remark:

1. System Frequency is 50Hz;
2. During Normal Operation, Allowable Maxi Cable Conductor Temperature is 90ºC;
3. During short circuit (short circuit duration no more than 5S), Max. Cable Conductor Temperature is  250ºC;
4. Cable Service Life is at least 30 Years;
5. No drop restrictions during Cable laying. The ambient temperature should be Min 0ºC, or it should be heated before laying;
6. Allowable Max. Pulling force for conductor Cu cable:70N/mm2 Al cable: 40N/mm2;
7. Allowable side pressure Max. 5kN/m;
8. The minimum bend radius is 20D during cable laying, and 15D during operation.