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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. : XLJP26AA003CXAA
- Country ref. : XLJP26AA003CXAA
- EAN : 99319215167748
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
Copper
Insulation
XLPE
Material of bedding
PVC
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
1640.0 kg/100m
Conductor cross-section
240 mm²
Conductor diameter
18.53 mm
Diameter over armour
84.77 mm
Diameter over insulation
30.8 mm
Diameter over screen
34.1 mm
Nominal Duct Diameter
150 mm
Nominal Screen Area on each core
68.09 mm²
Nominal armour wire diameter
3.15 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
92.6 mm
Number of screen wires (nb x mm Ø)
40 x 0.85 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.098 Ohm/km
Armour DC resistance at 20°C
0.257 Ohm/km
Capacitance (All Main Cores - Screen)
0.305 µF / km
Charging current per phase
1.216 A/km
Conductor to screen capacitance
0.3 mF/km
DC Resistance of the Screen at 20°C
0.26 Ohm/km
Dielectric loss per phase
61.8 W/km
Inductive reactance at 50Hz
0.101 Ohm/km
Insulation resistance at 20°C
7900 MOhm.km
Max. DC resistance of the conductor at 20°C
0.075 Ohm/km
Maximum electric stress
2.8 kV/mm
Permissible short circuit current conductor 1s
34.3 kA
Permissible short circuit current screen 1s
10.1 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.118 Ohm/km
Zero sequence resistance at 20°C
0.468 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Armour
75 kN
Maximum Pull Tension of Conductor
50 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1670 mm
Minimum Bend Radius - Installed
1110 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 |
| 240.0 | 499.0 | 394.0 | 538.0 | 424.0 | 377.0 | 299.0 | 469.0 | 372.0 | 398.0 | 316.0 |
|
In air touching (3 core) |
|
In air spaced (3 core) |
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In air enclosed (3 core) |
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Underground Direct Buried (3 core) |
|
Underground ducts (3 core) |
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