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
245.0 kg/100m
Conductor cross-section
300 mm²
Conductor diameter
20.1 mm
Diameter over insulation
32.6 mm
Diameter over screen
37.1 mm
Nominal Duct Diameter Trefoil Single Way
65 mm
Nominal Duct Diameter in Single Way
150 mm
Nominal insulation thickness
5.5 mm
Nominal overall diameter
42.0 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
0.129 Ohm/km
A.C. Conductor resist. at 90 °C - trefoil formation
0.129 Ohm/km
Capacitance (All Main Cores - Screen)
0.327 µF / km
Charging current per phase
1.305 A/km
Dielectric loss per phase
66.3 W/km
Inductive reactance at 50Hz - flat touching
0.128 Ohm/km
Inductive reactance at 50Hz - trefoil
0.113 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.173 Ohm/km
Insulation resistance at 20°C
7400 MOhm.km
Max. DC resistance of the conductor at 20°C
0.1 Ohm/km
Maximum electric stress
2.8 kV/mm
Permissible short circuit current conductor 1s
28.4 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
0.054 Ohm/km
Zero sequence resistance at 20°C
0.37 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
15 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
760 mm
Minimum Bend Radius - Installed
500 mm
Resources
Resources
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