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19/33kV Three Core SWA
19/33kV Three Core SWA
19/33kV Three Core, Individually Screened and PVC Sheathed Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XNJA22AA003CXAA
- Country ref. : XNJA22AA003CXAA
Description
Description
Standards
-
InternationalIEC 60228; IEC 60502-2
-
NationalAS/NZS 1125; AS/NZS 1429.1
Construction
- Stranded compacted conductor
- Triple extruded conductor screen
- Insulation and insulation screen
- Copper wire screened
- 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
1030.0 kg/100m
Conductor cross-section
95 mm²
Conductor diameter
11.36 mm
Diameter over armour
80.3 mm
Diameter over insulation
28.9 mm
Diameter over screen
32.2 mm
Nominal Duct Diameter
125 mm
Nominal Screen Area on each core
61.3 mm²
Nominal armour wire diameter
3.15 mm
Nominal diameter over bedding
74.0 mm
Nominal insulation thickness
8.0 mm
Nominal overall diameter
87.9 mm
Number of screen wires (nb x mm Ø)
36 x 0.85 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.41 Ohm/km
Armour DC resistance at 20°C
0.272 Ohm/km
Capacitance (All Main Cores - Screen)
0.164 µF / km
Charging current per phase
0.977 A/km
DC Resistance of the Screen at 20°C
0.29 Ohm/km
Dielectric loss per phase
74.3 W/km
Inductive reactance at 50Hz
0.129 Ohm/km
Insulation resistance at 20°C
15000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.32 Ohm/km
Maximum electric stress
3.6 kV/mm
Permissible short circuit current conductor 1s
9 kA
Permissible short circuit current screen 1s
9.09 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.141 Ohm/km
Zero sequence resistance at 20°C
0.744 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Armour
71 kN
Maximum Pull Tension of Conductor
14 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1580 mm
Minimum Bend Radius - Installed
1050 mm
Resources
Resources
Current carrying capacity table (in Amps) - 19/33kV Three Core SWA
Current carrying capacity table (in Amps) - 19/33kV Three Core SWA| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 95.0 | 300.0 | 234.0 | 320.0 | 250.0 | 234.0 | 183.0 | 291.0 | 228.0 | 250.0 | 195.0 |
|
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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