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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. : XLZP18TH003
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
Copper
Insulation
XLPE
Outer sheath
HDPE
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
325.0 kg/100m
Conductor cross-section
35 mm²
Conductor diameter
6.8 mm
Diameter over insulation
19.1 mm
Diameter over screen
23.4 mm
Nominal Duct Diameter
80 mm
Nominal Screen Area on each core
34.4 mm²
Nominal insulation thickness
5.5 mm
Nominal overall diameter of each phase cable
28 mm
Nominal overall diameter of triplex
60.2 mm
Number of screen wires (nb x mm Ø)
24 x 1.35 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.688 Ohm/km
Capacitance (All Main Cores - Screen)
0.156 µF / km
Charging current per phase
0.622 A/km
DC Resistance of the Screen at 20°C
0.53 Ohm/km
Dielectric loss per phase
31.6 W/km
Inductive reactance at 50Hz
0.151 Ohm/km
Insulation resistance at 20°C
16000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.524 Ohm/km
Maximum electric stress
3.6 kV/mm
Permissible short circuit current conductor 1s
5 kA
Permissible short circuit current screen 1s
5.1 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.094 Ohm/km
Zero sequence resistance at 20°C
1.05 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
7.35 kN
Usage characteristics
Usage characteristics
Minimum Bending Radius of Cable Bundle During Pulling
900 mm
Minimum Bending Radius of Cable Bundle Set in Position
600 mm
Minimum Bending Radius of Phase Cable During Pulling
700 mm
Minimum Bending Radius of Phase Cable Set in Position
420 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 |
| 35.0 | 173.0 | 133.0 | 182.0 | 140.0 | 130.0 | 100.0 | 174.0 | 134.0 | 144.0 | 111.0 |
|
In air touching |
|
In air spaced from surface |
|
In air enclosed |
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Underground direct touching |
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Underground ducts |
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