High Voltage Cable Underground Armoured Power Cable

 Specification
1. Conductors: copper or aluminum.
 2. Both armored and non-armored type power cables are available.
 3. Voltage rating: 0.6/1kV 3.6/6kV 6/10kV 8.7/15kV 26/35kV.
 4. PVC or XLPE sheathed.
 5. Number of cable cores: one core (Single core),two cores(Double cores),three cores,
      Four cores (Four Equal-section-area cores or three equal-section area cores and one smaller section area neutral core),
     Five cores (Five equal-area cores or three equal-section-area cores and two smaller section area neutral cores).
  6. Standards: IEC 60502.IEC, BS, DIN, ASTM, CSA, NFC, AS, GOST etc. Or other special characteristics as customers request.

Characteristics of Cable
 1.Max Long-time operating temperature of PVC insulated cable is 70°C,XLPE 90°C
 2.Installing temperature of cable should not be less than 0°C
 3.Max short-circuit temperature is:PVC not exceed 160°C,XLPE 250°C,Not more than5 Sec.
 4.Permitting bending radius cable: Not less than 10 D times (D:external diameter of cable)
 5.Perfect chemical stability, resistant against acids, alkali, grease and organic solvents, and flamer retardant.

Number of Cores & Nominal Cross-section Area

Installation:
1. The installation temperature should not over 20ºC, If the ambient temperature is lower than 0ºC, the cable should be preheated.
2. The bending radius of cable should not less than 8 times.
3. After installantion, the cable should with stand voltage test for 15min. 3.5kv D.C.
 

In air:
1.  As the single core cable laying in parallel, the distance between the cable’s center is 2 times (for cables which cross section area of conductor ≤185mm2) and
90mm (for cables which cross sectional area of conductor≥240mm2)
2. Ambient temperature: 30ºC
3. Max. temperature of conductor: 70ºC
4. Rating factors of current rating for ambient temperature:

Direct in ground:
1.  When the single core cables are installed separately, the distance between the cable’s center is 2 times of the cable diameter.
2.  Ambient temperature: 25ºC.
3.  Max. temperature of conductor: 70ºC.
4.  Soil thermour resistivity: 1.0ºC. m/w.
5.  Depth: 0.7m
6.  Rating factors under different ambient temp.:

PVC Insulation Electric Cable

 
XLPE Insulated electric cable

Your best choice → Huatong Cable Inc. 
 (1),More than 30 years experience.
 (2) ,100,000m² factory,200 staffs,annual output 100,000 metic tons.
 (3),Sound Quality Control
    –Material inspection;
    –manufacturing inspection;
    — Finished products inspection;
    — Inspection before delivery.
    –Third party inspection.
    — Inspection of storage at port of departure.
 (4),ISO Certificated.
 (5) ,Plenty of material and lobor gurantee the delivery prompt and price competitive.
 (6),24/7 service