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
765.0 kg/100m
Conductor cross-section
630 mm²
Conductor diameter
29.9 mm
Diameter over insulation
42.7 mm
Diameter over screen
47.2 mm
Nominal Duct Diameter Trefoil Single Way
80 mm
Nominal Duct Diameter in Single Way
200 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
53.4 mm
Number of screen wires (nb x mm Ø)
48 x 1.35 mm Ø
Screen section
68.71 mm²
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. at 90 °C - flat formation
0.039 Ohm/km
A.C. Conductor resist. at 90 °C - trefoil formation
0.041 Ohm/km
Capacitance (All Main Cores - Screen)
0.453 µF / km
Charging current per phase
1.807 A/km
Dielectric loss per phase
91.8 W/km
Inductive reactance at 50Hz - flat touching
0.117 Ohm/km
Inductive reactance at 50Hz - trefoil
0.101 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.162 Ohm/km
Insulation resistance at 20°C
5300 MOhm.km
Max. DC resistance of the conductor at 20°C
0.028 Ohm/km
Maximum electric stress
2.6 kV/mm
Permissible short circuit current conductor 1s
90 kA
Permissible short circuit current screen 1s
10.19 kA
Rated Voltage Uo/U (Um)
-
Resistance of the screen
0.26 Ohm/km
Zero sequence reactance at 50HZ
0.044 Ohm/km
Zero sequence resistance at 20°C
0.3 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
44.1 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
960 mm
Minimum Bend Radius - Installed
640 mm
Resources
Resources
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