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12.7/22kV Three Core SWA
12.7/22kV Three Core SWA
12.7/22kV Three Core, Individually Screened and PVC Sheathed Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XLJA18AA003JBAA
- Country ref. : XLJA18AA003JBAA
- EAN : 99319215442722
Description
Description
Standards
-
ProductAS/NZS 1125; AS/NZS 1429.1; IEC 60228; IEC 60502-2
Construction
- Stranded compacted conductor
- Triple extruded conductor screen
- Insulation and insulation screen
- Copper wire screen
- Steel wire armoured
- PVC sheathed
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Armour type
Galvanized steel wires
Conductor material
Aluminum
Insulation
XLPE
Material of bedding
PVC
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
535.0 kg/100m
Conductor cross-section
35 mm²
Conductor diameter
6.91 mm
Diameter over armour
57.26 mm
Diameter over insulation
19.2 mm
Diameter over screen
22.5 mm
Nominal Duct Diameter
100 mm
Nominal Screen Area on each core
23.83 mm²
Nominal armour wire diameter
2.5 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
63.3 mm
Number of screen wires (nb x mm Ø)
14 x 0.85 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
1.113 Ohm/km
Armour DC resistance at 20°C
0.487 Ohm/km
Capacitance (All Main Cores - Screen)
0.157 µF / km
Charging current per phase
0.626 A/km
Conductor to screen capacitance
0.16 mF/km
DC Resistance of the Screen at 20°C
0.76 Ohm/km
Dielectric loss per phase
31.8 W/km
Inductive reactance at 50Hz
0.14 Ohm/km
Insulation resistance at 20°C
15000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.868 Ohm/km
Maximum electric stress
3.6 kV/mm
Permissible short circuit current conductor 1s
3.3 kA
Permissible short circuit current screen 1s
3.53 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.15 Ohm/km
Zero sequence resistance at 20°C
1.758 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Armour
40 kN
Maximum Pull Tension of Conductor
5 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1140 mm
Minimum Bend Radius - Installed
760 mm
Resources
Resources
Current carrying capacity table (in Amps) - 12.7/22kV Three Core SWA
Current carrying capacity table (in Amps) - 12.7/22kV Three Core SWA| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 35.0 | 167.0 | 130.0 | 178.0 | 138.0 | 130.0 | 101.0 | 171.0 | 133.0 | 142.0 | 111.0 |
|
In air touching (3 core) |
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In air spaced (3 core) |
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In air enclosed (3 core) |
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Underground Direct Buried (3 core) |
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Underground ducts (3 core) |
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