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12.7/22kV Triplex
12.7/22kV Triplex
12.7/22kV Triplex Individually Screened, Water Blocking Taped/HDPE Sheathed Stranded Conductors, up to 10kA fault level
Read more- Nexans ref. : XLZA30TH003
Description
Description
Standards
-
InternationalIEC 60228; IEC 60502-2
-
NationalAS/NZS 1125; AS/NZS 1429.1
Stranded compacted conductor, triple extruded conductor screen, insulation and insulation screen, copper wire screened, water blocking taped, HDPE sheathed, laid up 'Triplex' cables.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Armour type
-
Conductor material
Aluminum
Insulation
XLPE
Outer sheath
HDPE
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
930.0 kg/100m
Conductor cross-section
500 mm²
Conductor diameter
26.5 mm
Diameter over insulation
39.0 mm
Diameter over screen
43.5 mm
Nominal Duct Diameter
150 mm
Nominal Screen Area on each core
68.7 mm²
Nominal insulation thickness
5.5 mm
Nominal overall diameter of each phase cable
49.2 mm
Nominal overall diameter of triplex
106.1 mm
Number of screen wires (nb x mm Ø)
48 x 1.35 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.081 Ohm/km
Capacitance (All Main Cores - Screen)
0.407 µF / km
Charging current per phase
1.623 A/km
DC Resistance of the Screen at 20°C
0.26 Ohm/km
Dielectric loss per phase
82.4 W/km
Inductive reactance at 50Hz
0.099 Ohm/km
Insulation resistance at 20°C
5900 MOhm.km
Max. DC resistance of the conductor at 20°C
0.062 Ohm/km
Maximum electric stress
2.7 kV/mm
Permissible short circuit current conductor 1s
47.3 kA
Permissible short circuit current screen 1s
10.19 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.046 Ohm/km
Zero sequence resistance at 20°C
0.326 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
75 kN
Usage characteristics
Usage characteristics
Minimum Bending Radius of Cable Bundle During Pulling
1590 mm
Minimum Bending Radius of Cable Bundle Set in Position
1060 mm
Minimum Bending Radius of Phase Cable During Pulling
1230 mm
Minimum Bending Radius of Phase Cable Set in Position
740 mm
Resources
Resources
Current carrying capacity table (in Amps) - 12.7/22kV Triplex
Current carrying capacity table (in Amps) - 12.7/22kV Triplex| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 500.0 | 787.0 | 639.0 | 840.0 | 681.0 | 562.0 | 457.0 | 673.0 | 546.0 | 580.0 | 472.0 |
|
In air touching |
|
In air spaced from surface |
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In air enclosed |
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Underground direct touching |
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Underground ducts |
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