12.7/22kV Three Core

Description

Description

Standards

  • Product
    AS/NZS 1125; AS/NZS 1429.1; IEC 60228; IEC 60502-2

Construction

  • Stranded compacted conductor
  • Semi-conductive insulation screen
  • Copper wire screen
  • Semi-conductive conductor screen
  • XLPE insulation
  • Fillers
  • PVC sheath

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Armour type
-
Conductor material
Aluminum
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted

Dimensional characteristics

Dimensional characteristics

Approximate weight
460.0 kg/100m
Conductor cross-section
150 mm²
Conductor diameter
14.17 mm
Diameter over insulation
26.443 mm
Diameter over screen
29.743 mm
Nominal Duct Diameter
125 mm
Nominal Screen Area on each core
68.09 mm²
Nominal insulation thickness
5.5 mm
Nominal overall diameter
71.4 mm
Number of screen wires (nb x mm Ø)
40 x 0.85 mm Ø

Electrical characteristics

Electrical characteristics

A.C. Conductor resist. 50Hz and at 90 °C
0.265 Ohm/km
Capacitance (All Main Cores - Screen)
0.25 µF / km
Charging current per phase
0.997 A/km
DC Resistance of the Screen at 20°C
0.27 Ohm/km
Dielectric loss per phase
50.7 W/km
Inductive reactance at 50Hz
0.105 Ohm/km
Insulation resistance at 20°C
9700 MOhm.km
Max. DC resistance of the conductor at 20°C
0.206 Ohm/km
Maximum electric stress
3 kV/mm
Permissible short circuit current conductor 1s
14.2 kA
Permissible short circuit current screen 1s
10.1 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.062 Ohm/km
Zero sequence resistance at 20°C
1.005 Ohm/km

Mechanical characteristics

Mechanical characteristics

Maximum Pulling Tension
22.5 kN

Usage characteristics

Usage characteristics

Minimum Bend Radius - During Installation (under Tension)
1280 mm
Minimum Bend Radius - Installed
860 mm

Resources

Resources

Current carrying capacity table (in Amps) - 12.7/22kV Three Core

Current carrying capacity table (in Amps) - 12.7/22kV Three Core
Conductor cross-section
mm² Cu Al Cu Al Cu Al Cu Al Cu Al
150.0 392.0 303.0 422.0 326.0 299.0 232.0 381.0 295.0 321.0 249.0
In air touching (3 core)
In air spaced (3 core)
In air enclosed (3 core)
Underground Direct Buried (3 core)
Underground ducts (3 core)

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