12.7/22kV Single Core
12.7/22kV Single Core
12.7/22kV XLPE Single Core Stranded Conductors up to 10kA fault level
Read moreDescription
Description
Standards
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ProductAS/NZS 1429.1; IEC 60228; IEC 60502-2
Construction
- Stranded compacted conductor
- Semi-conductive conductor screen
- XLPE insulation
- Semi-conductive insulation screen
- Copper wire screen
- PVC sheath
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Copper
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
140.0 kg/100m
Conductor cross-section
50 mm²
Conductor diameter
8.1 mm
Diameter over insulation
20.4 mm
Diameter over screen
24.7 mm
Nominal Duct Diameter Trefoil Single Way
50 mm
Nominal Duct Diameter in Single Way
80 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
28.7 mm
Number of screen wires (nb x mm Ø)
34 x 1.35 mm Ø
Screen section
48.67 mm²
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. at 90 °C - flat formation
0.494 Ohm/km
A.C. Conductor resist. at 90 °C - trefoil formation
0.494 Ohm/km
Capacitance (All Main Cores - Screen)
0.171 µF / km
Charging current per phase
0.682 A/km
Dielectric loss per phase
34.7 W/km
Inductive reactance at 50Hz - flat touching
0.166 Ohm/km
Inductive reactance at 50Hz - trefoil
0.151 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.212 Ohm/km
Insulation resistance at 20°C
14000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.387 Ohm/km
Maximum electric stress
3.5 kV/mm
Permissible short circuit current conductor 1s
7.1 kA
Permissible short circuit current screen 1s
7.22 kA
Rated Voltage Uo/U (Um)
-
Resistance of the screen
0.37 Ohm/km
Zero sequence reactance at 50HZ
0.087 Ohm/km
Zero sequence resistance at 20°C
0.758 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
3.5 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
520 mm
Minimum Bend Radius - Installed
340 mm
Resources
Resources
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