Cable HS XKDCu(Al)T 300 mm² Alu 132 kV
Cable HS XKDCu(Al)T 300 mm² Alu 132 kV
HV XLPE insulated single core cables with a copper wire screen, longitudinal and radial watertightness.
Read more- Nexans ref. : XKDCu(Al)T 300 Alu 132 kV
Description
Description
Standards
-
InternationalIEC 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
300 mm²
Conductor diameter
20.8 mm
Diameter over insulation
54.6 mm
Outer Diameter
66.5 mm
Screen section
95 mm²
Approximate weight
4.6 kg/m
Electrical characteristics
Electrical characteristics
Operating voltage
132 kV
Permissible short circuit current screen 1s
15.0 kA
Permissible short circuit current conductor 1s
28 kA
Max. DC resistance of the conductor at 20°C
0.1 Ohm/km
Capacity core to screen
0.165 pF/m
I max. @ 90°C-buried in trefoil joined
485 A
I max. @ 90°C-buried in trefoil spaced
500 A
I max. @ 90°C-buried in flat formation joined
460 A
I max. @ 90°C-buried in flat formation spaced
495 A
I max. @ 75°C-buried in trefoil joined
435 A
I max. @ 75°C-buried in trefoil spaced
450 A
I max. @ 75°C-buried in flat formation joined
415 A
I max. @ 75°C-buried in flat formation spaced
445 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)
900.0 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
2400 mm
Laying depth, center of system
1000 mm
Laying tube diameter
120 mm
Distance between tubes (X)
200 mm
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