Cable HS XKDCu(Al)T 400 mm² Alu 110 kV
Cable HS XKDCu(Al)T 400 mm² Alu 110 kV
HV XLPE insulated single core cables with a copper wire screen, longitudinal and radial watertightness.
Read more- Nexans ref. : XKDCu(Al)T 400 Alu 110 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
400 mm²
Conductor diameter
23.2 mm
Diameter over insulation
57.0 mm
Outer Diameter
68.9 mm
Screen section
95 mm²
Approximate weight
5 kg/m
Electrical characteristics
Electrical characteristics
Operating voltage
110 kV
Permissible short circuit current screen 1s
15.0 kA
Permissible short circuit current conductor 1s
37 kA
Max. DC resistance of the conductor at 20°C
0.078 Ohm/km
Capacity core to screen
0.176 pF/m
I max. @ 90°C-buried in trefoil joined
565 A
I max. @ 90°C-buried in trefoil spaced
575 A
I max. @ 90°C-buried in flat formation joined
525 A
I max. @ 90°C-buried in flat formation spaced
575 A
I max. @ 75°C-buried in trefoil joined
510 A
I max. @ 75°C-buried in trefoil spaced
520 A
I max. @ 75°C-buried in flat formation joined
475 A
I max. @ 75°C-buried in flat formation spaced
520 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)
1200.0 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
2500 mm
Laying depth, center of system
1000 mm
Laying tube diameter
100 mm
Distance between tubes (X)
170 mm
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