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TXRA 24kV 3x95Cu
Description
Description
Standards
-
ProductIEC 60228; IEC 60502-2; Nexans specification
User benefits:
Construction:
Conductor:
Round multiple wire, compressed copper conductor
Conductor screen:
Extruded layer of semi-conductive cross-linked polyethylene.
Insulation:
Extruded insulation of cross-linked polyethylene.
Insulation screen:
Extruded insulation of cross-linked polyethylene.
Twisting and bonding:
Three insulated conductors are twisted together and bonded with semiconducting bands.
Fillers are installed in the winding rooms.
If desired, fiber cables can also be inserted into the winding rooms.
Armouring:
A layer of galvanized steel wires.
Zinc wires can be inserted into the reinforcement if desired.
Outer corrosion protection:
Two layers of polypropylene yarn with bitumen.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Annealed copper
Conductor shape
Circular compacted
Material of the inner semi-conductor
Extruded
Insulation
XLPE (Cross-linked Polyethylene)
Material of the external semi-conductor
Extruded
Armour type
Galvanised round steel wires
Conductor flexibility
Stranded class 2
Dimensional characteristics
Dimensional characteristics
Conductor diameter
11.5 mm
Diameter over insulation
30.2 mm
Nominal insulation thickness
5.5 mm
Diameter of steel wires
4.2 mm
Nominal outer diameter
78.1 mm
Approximate weight
9600 kg/km
Approximate weight in seawater
5100 kg/km
Conductor cross-section
95 mm²
Number of cores
3
Number of optical fibres
0
Electrical characteristics
Electrical characteristics
Max. DC resistance of the conductor at 20°C
0.193 Ohm/km
Maximum operating voltage
24 kV
Permissible current rating when buried
315 A
Permissible current rating in open air
330 A
Permissible current rating submerged in water, 15°C ambient temperature
335 A
Nominal phase capacitance
0.233 µF / km
Nominal inductance
0.382 mH/km
Permissible short circuit current conductor 1s
14.2 kA
Permissible short circuit current screen 1s
3.2 kA
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Reactance at 50 Hz
0.12 Ohm/km
Zero sequence reactance at 50HZ
- Ohm/km
Zero sequence resistance at 20°C
- Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum pulling force by laying
33.8 kN
Usage characteristics
Usage characteristics
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Bending factor when laying
15 (xD)
Minimum installation temperature
-10 °C
Resources
Resources
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