Cable HS XKDCu(Al)T 400 mm² Cu 220 kV
Cable HS XKDCu(Al)T 400 mm² Cu 220 kV
The XKDCuT / XKDAlT cable family is designed to ensure reliable and long-lasting power transmission in high-voltage networks. Thanks to their XLPE insulation, excellent dielectric performance and high mechanical resistance, these cables deliver optimal performance in underground networks, substations and critical energy infrastructures.
Read more- Nexans ref. : XKDCu(Al)T 400 Cu 220 kV
Description
Description
Standards
-
TestIEC 60840; IEC 62067
-
NationalHD 632 Section O
Applications
This cable family is designed for strategic underground high-voltage links requiring very high reliability:
- Underground high-voltage distribution networks
- Installation in ducts, galleries or directly buried
- Electrical substations and transformer stations
- Infrastructures requiring service continuity and maximum safety
- Critical industrial and energy applications
Key benefits
- High-performance XLPE insulation ensuring excellent dielectric strength
- Very good mechanical and environmental resistance
- Radial and longitudinal water blocking to prevent moisture propagation
- Robust HDPE sheath with low shrinkage rate
- High durability for long-distance HV networks
- Solution suited to strategic infrastructures
By choosing this range of high-voltage cables, you opt for a reliable, robust and durable solution, perfectly suited to the requirements of modern HV networks.
Characteristics
Characteristics
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
400 mm²
Conductor diameter
23.4 mm
Diameter over insulation
71.2 mm
Outer Diameter
86.7 mm
Screen section
185 mm²
Approximate weight
10.2 kg/m
Electrical characteristics
Electrical characteristics
Operating voltage
220 kV
Permissible short circuit current screen 1s
28.0 kA
Permissible short circuit current conductor 1s
57 kA
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km
Nominal phase capacitance
0.136 µF / km
I max. @ 90°C-buried in trefoil joined
705 A
I max. @ 90°C-buried in trefoil spaced
730 A
I max. @ 90°C-buried in flat formation joined
655 A
I max. @ 90°C-buried in flat formation spaced
725 A
I max. @ 75°C-buried in trefoil joined
635 A
I max. @ 75°C-buried in trefoil spaced
655 A
I max. @ 75°C-buried in flat formation joined
585 A
I max. @ 75°C-buried in flat formation spaced
655 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)
2400.0 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
3100 mm
Laying depth, center of system
1000 mm
Laying tube diameter
150 mm
Distance between tubes (X)
250 mm
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