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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. : XNJA25AA003CXAA
- Country ref. : XNJA25AA003CXAA
- EAN : 99319215394168
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 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
1270.0 kg/100m
Conductor cross-section
185 mm²
Conductor diameter
15.67 mm
Diameter over armour
90.4 mm
Diameter over insulation
33.2 mm
Diameter over screen
36.7 mm
Nominal Duct Diameter
150 mm
Nominal Screen Area on each core
68.1 mm²
Nominal armour wire diameter
3.15 mm
Nominal diameter over bedding
84.1 mm
Nominal insulation thickness
8.0 mm
Nominal overall diameter
98.8 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
0.211 Ohm/km
Armour DC resistance at 20°C
0.241 Ohm/km
Capacitance (All Main Cores - Screen)
0.202 µF / km
Charging current per phase
1.204 A/km
DC Resistance of the Screen at 20°C
0.26 Ohm/km
Dielectric loss per phase
91.5 W/km
Inductive reactance at 50Hz
0.117 Ohm/km
Insulation resistance at 20°C
12000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.164 Ohm/km
Maximum electric stress
3.3 kV/mm
Permissible short circuit current conductor 1s
17.5 kA
Permissible short circuit current screen 1s
10.1 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.131 Ohm/km
Zero sequence resistance at 20°C
0.543 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Armour
80 kN
Maximum Pull Tension of Conductor
28 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1780 mm
Minimum Bend Radius - Installed
1190 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 |
| 185.0 | 433.0 | 340.0 | 465.0 | 365.0 | 332.0 | 261.0 | 410.0 | 323.0 | 350.0 | 276.0 |
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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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