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3.8/6.6kV Three Core
3.8/6.6kV Three Core
3.8.6.6kV Three Core, Individually Screened and PVC Sheathed Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XHHA25AA003JBAA
Description
Description
Standards
-
InternationalIEC 60228; IEC 60502-2
-
NationalAS/NZS 1125; AS/NZS 1429.1
Construction
- Stranded compacted conductor
- Semi-conductive insulation screen
- Copper wire screen
- XLPE insulation
- Semi-conductive conductor screen
- PVC sheath
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Armour type
-
Conductor material
Aluminum
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
385.0 kg/100m
Conductor cross-section
185 mm²
Conductor diameter
15.67 mm
Diameter over insulation
21.797 mm
Diameter over screen
25.097 mm
Nominal Duct Diameter
100 mm
Nominal Screen Area on each core
68.09 mm²
Nominal insulation thickness
2.5 mm
Nominal overall diameter
60.8 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
Capacitance (All Main Cores - Screen)
0.518 µF / km
Charging current per phase
0.618 A/km
DC Resistance of the Screen at 20°C
0.26 Ohm/km
Dielectric loss per phase
9.4 W/km
Inductive reactance at 50Hz
0.086 Ohm/km
Insulation resistance at 20°C
4700 MOhm.km
Max. DC resistance of the conductor at 20°C
0.164 Ohm/km
Maximum electric stress
1.7 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
0.045 Ohm/km
Zero sequence resistance at 20°C
0.96 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
27.75 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1090 mm
Minimum Bend Radius - Installed
730 mm
Resources
Resources
Current carrying capacity table (in Amps) - 3.8/6.6kV Three Core
Current carrying capacity table (in Amps) - 3.8/6.6kV Three Core| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 185.0 | 436.0 | 338.0 | 472.0 | 365.0 | 319.0 | 247.0 | 429.0 | 333.0 | 348.0 | 270.0 |
|
In air touching (3 core) |
|
In air spaced (3 core) |
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In air enclosed (3 core) |
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Direct Buried (3 core) |
|
Underground ducts (3 core) |
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