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Type XLPE 12.7/22kV
Type XLPE 12.7/22kV
Plain copper stranded conductors, XLPE insulated and plain copper wire individually screened, with PVC bedding, steel wire armour, and red PVC outer sheath to AS/NZS 1429.1. Cables are used as HV feeder cables in fixed conditions.
Read more- Nexans ref. : XLJP27EZ003CXAA
Description
Description
Construction
- PVC over sheath
- Galvinised steel wire armour
- PVC separation sheath
- XLPE insulated and (earth) screened power conductors
- Filler
Characteristics
Characteristics
Dimensional characteristics
Dimensional characteristics
Approximate weight
1960.0 kg/100m
Conductor cross-section
300 mm²
Conductor diameter
20.7 mm
Core screen strand size (no/mm)
-
Diameter over armour
90.8 mm
Diameter over insulation
32.4 mm
Diameter over screen
36.9 mm
Nominal Screen Area on each core
51.5 mm²
Nominal diameter over bedding
84.5 mm
Nominal insulation thickness
5.5 mm
Nominal outer sheath thickness
4.1 mm
Nominal overall diameter
99.0 mm
Number of screen wires (nb x mm Ø)
36 x 1.35mm Ø
Wire diameter
3.15 mm
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.079 Ohm/km
Charging current per phase
1.41 A/km
Conductor to screen capacitance
0.36 mF/km
DC Resistance of the Screen at 20°C
0.12 Ohm/km
Dielectric loss per phase
72 W/km
Inductive reactance at 50Hz
0.106 Ohm/km
Insulation resistance at 20°C
6700 MOhm.km
Max. DC resistance of the conductor at 20°C
0.06 Ohm/km
Maximum electric stress
3 kV/mm
Rated Voltage Uo/U
12.7/22 kV
Voltage drop, 3 conductors
0.23 V/A.km
Zero sequence reactance at 50HZ
0.048 Ohm/km
Zero sequence resistance at 20°C
0.413 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
63 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - Installed
1780 mm
Minimum Bending Radius during installation
1190 mm
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