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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. : XLJP20EZ003JBAA
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
750.0 kg/100m
Conductor cross-section
70 mm²
Conductor diameter
9.6 mm
Core screen strand size (no/mm)
21/0.85
Diameter over armour
61.6 mm
Diameter over insulation
21.1 mm
Diameter over screen
24.4 mm
Nominal Screen Area on each core
11.9 mm²
Nominal diameter over bedding
56.6 mm
Nominal insulation thickness
5.5 mm
Nominal outer sheath thickness
3.1 mm
Nominal overall diameter
67.8 mm
Number of screen wires (nb x mm Ø)
21 x 0.85 mm Ø
Wire diameter
2.5 mm
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.342 Ohm/km
Charging current per phase
0.805 A/km
Conductor to screen capacitance
0.2 mF/km
DC Resistance of the Screen at 20°C
0.54 Ohm/km
Dielectric loss per phase
41 W/km
Inductive reactance at 50Hz
0.135 Ohm/km
Insulation resistance at 20°C
12000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.268 Ohm/km
Maximum electric stress
3.5 kV/mm
Rated Voltage Uo/U
12.7/22 kV
Voltage drop, 3 conductors
0.64 V/A.km
Zero sequence reactance at 50HZ
0.07 Ohm/km
Zero sequence resistance at 20°C
1.79 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
14.7 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - Installed
1220 mm
Minimum Bending Radius during installation
810 mm
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