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
Aluminum
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
120.0 kg/100m
Conductor cross-section
70 mm²
Conductor diameter
9.6 mm
Diameter over insulation
21.9 mm
Diameter over screen
26.2 mm
Nominal Duct Diameter Trefoil Single Way
63 mm
Nominal Duct Diameter in Single Way
100 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
30.5 mm
Number of screen wires (nb x mm Ø)
32 x 1.35 mm Ø
Screen section
45.8 mm²
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. at 90 °C - flat formation
0.568 Ohm/km
A.C. Conductor resist. at 90 °C - trefoil formation
0.568 Ohm/km
Capacitance (All Main Cores - Screen)
0.192 µF / km
Charging current per phase
0.768 A/km
Dielectric loss per phase
39 W/km
Inductive reactance at 50Hz - flat touching
0.155 Ohm/km
Inductive reactance at 50Hz - trefoil
0.14 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.201 Ohm/km
Insulation resistance at 20°C
13000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.443 Ohm/km
Maximum electric stress
3.3 kV/mm
Permissible short circuit current conductor 1s
6.6 kA
Permissible short circuit current screen 1s
6.79 kA
Rated Voltage Uo/U (Um)
-
Resistance of the screen
0.4 Ohm/km
Zero sequence reactance at 50HZ
0.077 Ohm/km
Zero sequence resistance at 20°C
0.838 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
3.5 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
550 mm
Minimum Bend Radius - Installed
370 mm
Resources
Resources
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