Cable HS XKDCu(Al)T 630 mm² Alu 150 kV
Cable HS XKDCu(Al)T 630 mm² Alu 150 kV
HV XLPE insulated single core cables with a copper wire screen, longitudinal and radial watertightness.
Read more- Nexans ref. : XKDCu(Al)T 630 Alu 150 kV
Description
Description
Standards
-
TestIEC 60840; IEC 62067
-
NationalHD 632 Section O
Applications
- Underground distribution networks
- Laying in tubes and directly buried
- Arises in electrical substations
Key points
- Low shrinkage, abrasion-resistant PE outer sheath
- Longitudinal watertightness by swelling tapes which prevent water ingress in case of damage to the outer sheath
- Low loss high dielectric strength XLPE insulation
Construction
- Aluminium conductor
- Inner semi-conductor
- Cross-linkend PE insulation ( XLPE )
- Outer semi-conductor
- Semi-conductive swelling tape
- Copper wire screen
- Semi-conductive swelling tape
- Metallic sheath lengthwise (Copper or Aluminium)
- Outer PEHD sheath
Comment
- Cross section from 240 mm² to 2000 mm²
- Other level's tension or cross-section on request
- NOflamm version available on request
- 2 metallic sheaths lengthwise available: copper XKDCuT, Alu XKDAlT
Characteristics
Characteristics
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
630 mm²
Conductor diameter
30.4 mm
Diameter over insulation
69.2 mm
Outer Diameter
82.2 mm
Screen section
95 mm²
Approximate weight
6.9 kg/m
Electrical characteristics
Electrical characteristics
Operating voltage
150 kV
Permissible short circuit current screen 1s
15.0 kA
Permissible short circuit current conductor 1s
59 kA
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km
Capacity core to screen
0.189 pF/m
I max. @ 90°C-buried in trefoil joined
740 A
I max. @ 90°C-buried in trefoil spaced
755 A
I max. @ 90°C-buried in flat formation joined
690 A
I max. @ 90°C-buried in flat formation spaced
750 A
I max. @ 75°C-buried in trefoil joined
665 A
I max. @ 75°C-buried in trefoil spaced
680 A
I max. @ 75°C-buried in flat formation joined
620 A
I max. @ 75°C-buried in flat formation spaced
675 A
Load factor
1
Sheaths grounding
1 point
Thermal soil resistivity dry zone
0.85 °K.m/W
Mechanical characteristics
Mechanical characteristics
Maximum tensile load during service (Tl)
1890.0 daN
Usage characteristics
Usage characteristics
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Ambient ground temperature
20 °C
Laying operation bending radius
2900 mm
Laying depth, center of system
1000 mm
Laying tube diameter
150 mm
Distance between tubes (X)
220 mm
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