Hv Cable Underground 66kv 132kv XLPE Cable
Hv Cable Underground 66kv 132kv XLPE Cable image
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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.
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Tags: High Voltage, huatongcable, Power Cable, XLPE Cable