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12.7/22kV Single Core
12.7/22kV Single Core
12.7/22kV XLPE Single Core Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XLHA19AA001CXAA
Description
Description
Standards
-
InternationalIEC 60228; IEC 60502-2
-
NationalAS/NZS 1125; AS/NZS 1429.1
Construction
- Stranded compacted conductor
- Copper wire screen
- PVC sheath
- Semi-conductive insulation screen
- XLPE insulation
- Semi-conductive conductor screen
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Aluminum
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
98.35 kg/100m
Conductor cross-section
50 mm²
Conductor diameter
8.1 mm
Diameter over insulation
20.3 mm
Diameter over screen
24.6 mm
Nominal Duct Diameter Trefoil Single Way
50 mm
Nominal Duct Diameter in Single Way
80 mm
Nominal Screen Area on each core
32.92 mm²
Nominal insulation thickness
5.5 mm
Nominal overall diameter
28.7 mm
Number of screen wires (nb x mm Ø)
23 x 1.35 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. at 90 °C - flat formation
0.821 Ohm/km
A.C. Conductor resist. at 90 °C - trefoil formation
0.821 Ohm/km
Capacitance (All Main Cores - Screen)
0.172 µF / km
Charging current per phase
0.685 A/km
DC Resistance of the Screen at 20°C
0.55 Ohm/km
Dielectric loss per phase
34.8 W/km
Inductive reactance at 50Hz - flat touching
0.166 Ohm/km
Inductive reactance at 50Hz - trefoil
0.151 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.212 Ohm/km
Insulation resistance at 20°C
14000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.641 Ohm/km
Maximum electric stress
3.5 kV/mm
Permissible short circuit current conductor 1s
4.7 kA
Permissible short circuit current screen 1s
4.88 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.087 Ohm/km
Zero sequence resistance at 20°C
1.19 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
2.5 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
520 mm
Minimum Bend Radius - Installed
340 mm
Resources
Resources
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - solid bond - Underground
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - solid bond - Underground| Conductor cross-section |
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| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 50.0 | 208.0 | 163.0 | 208.0 | 164.0 | 205.0 | 159.0 | 183.0 | 144.0 | 182.0 | 145.0 | 181.0 | 142.0 | 172.0 | 134.0 |
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Underground direct flat touching |
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Underground direct flat spaced |
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Underground direct touching |
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Underground ducts flat touching |
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Underground ducts flat spaced |
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Underground ducts touching |
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Underground ducts |
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - solid bond - In Air
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - solid bond - In Air| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 50.0 | 221.0 | 173.0 | 251.0 | 198.0 | 206.0 | 160.0 | 217.0 | 169.0 | 157.0 | 122.0 |
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In air flat touching |
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In air flat spaced |
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In air touching |
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In air spaced from surface |
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In air enclosed |
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - single bond - Underground
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - single bond - Underground| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 50.0 | 238.0 | 163.0 | 242.0 | 166.0 | 232.0 | 160.0 | 212.0 | 146.0 | 215.0 | 148.0 | 207.0 | 143.0 | 195.0 | 134.0 |
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Underground direct flat touching |
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Underground direct flat spaced |
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Underground direct touching |
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Underground ducts flat touching |
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Underground ducts flat spaced |
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Underground ducts touching |
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Underground ducts |
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - single bond - In Air
Current carrying capacity table (in Amps) - 12.7/22kV Single Core - single bond - in Air| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 50.0 | 252.0 | 173.0 | 290.0 | 199.0 | 233.0 | 160.0 | 246.0 | 169.0 | 178.0 | 123.0 |
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In air flat touching |
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In air flat spaced |
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In air touching |
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In air spaced from surface |
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In air enclosed |
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