12.7/22kV Triplex

12.7/22kV Triplex Individually Screened, Water Blocking Taped/HDPE Sheathed Stranded Conductors, up to 10kA fault level

Nexans ref. : XLZA26TH003

Datasheet PDF

Description

Standards

Product

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

Stranded compacted conductor, triple extruded conductor screen, insulation and insulation screen, copper wire screened, water blocking taped, HDPE sheathed, laid up 'Triplex' cables.

Characteristics

Construction characteristics

Armour type

Conductor material

Aluminum

Insulation

XLPE

Outer sheath

HDPE

Screen

Copper wire

Type of conductor

Stranded compacted

Dimensional characteristics

Approximate weight

620.0 kg/100m

Conductor cross-section

240 mm²

Conductor diameter

18.0 mm

Diameter over insulation

30.3 mm

Diameter over screen

34.6 mm

Nominal Duct Diameter

125 mm

Nominal Screen Area on each core

68.7 mm²

Nominal insulation thickness

5.5 mm

Nominal overall diameter of each phase cable

39.9 mm

Nominal overall diameter of triplex

86 mm

Number of screen wires (nb x mm Ø)

48 x 1.35 mm Ø

Electrical characteristics

A.C. Conductor resist. 50Hz and at 90 °C

0.161 Ohm/km

Capacitance (All Main Cores - Screen)

0.298 µF / km

Charging current per phase

1.189 A/km

DC Resistance of the Screen at 20°C

0.26 Ohm/km

Dielectric loss per phase

60.4 W/km

Inductive reactance at 50Hz

0.11 Ohm/km

Insulation resistance at 20°C

8100 MOhm.km

Max. DC resistance of the conductor at 20°C

0.125 Ohm/km

Maximum electric stress

2.9 kV/mm

Permissible short circuit current conductor 1s

22.7 kA

Permissible short circuit current screen 1s

10.19 kA

Rated Voltage Uo/U (Um)

Zero sequence reactance at 50HZ

0.056 Ohm/km

Zero sequence resistance at 20°C

0.388 Ohm/km

Mechanical characteristics

Maximum Pulling Tension

36 kN

Usage characteristics

Minimum Bending Radius of Cable Bundle During Pulling

1290 mm

Minimum Bending Radius of Cable Bundle Set in Position

860 mm

Minimum Bending Radius of Phase Cable During Pulling

1000 mm

Minimum Bending Radius of Phase Cable Set in Position

600 mm

Resources

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

Conductor cross-section
mm²	Cu	Al	Cu	Al	Cu	Al	Cu	Al	Cu	Al
240.0	534.0	419.0	568.0	445.0	396.0	312.0	482.0	380.0	416.0	328.0

In air touching

In air spaced from surface

In air enclosed

Underground direct touching

Underground ducts

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12.7/22kV Triplex

Description

Description

Standards

Characteristics