TXVA 24kV 3x240Cu 2xGS48 R3.2/3.2 Zn

Description

Description

Standards

  • International
    IEC 60228; IEC 60502-2; Nexans specification

Armored PEX insulated submarine cables for utilities.

 

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:
2 layers of galvanized steel wires.
Zinc wires can be inserted into the reinforcement if desired.

Outer corrosion protection:
Two layers of polypropylene yarn with bitumen.

 

The dimensions and weights given are based on IEC 60502. In other cases, the values ​​given will vary.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Armour type
Galvanised round steel wires
Conductor flexibility
Stranded class 2
Conductor material
Annealed copper
Conductor shape
Circular compacted
Insulation
XLPE (Cross-linked Polyethylene)
Material of the external semi-conductor
Extruded
Material of the inner semi-conductor
Extruded

Dimensional characteristics

Dimensional characteristics

Nominal outer diameter
92.7 mm
Approximate weight
19600 kg/km
Approximate weight in seawater
13400 kg/km
Conductor cross-section
240 mm²
Conductor diameter
18.4 mm
Diameter of steel wires
3.2 mm
Diameter over insulation
34.5 mm
Nominal insulation thickness
5.5 mm
Number of cores
3

Electrical characteristics

Electrical characteristics

Permissible current rating in open air
570 A
Permissible current rating when buried
515 A
Permissible current rating submerged in water, 15°C ambient temperature
555 A
Max. DC resistance of the conductor at 20°C
0.0754 Ohm/km
Maximum operating voltage
24 kV
Nominal inductance
0.332 mH/km
Nominal phase capacitance
0.326 µF / km
Permissible short circuit current conductor 1s
35.3 kA
Permissible short circuit current screen 1s
4.0 kA
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Reactance at 50 Hz
0.104 Ohm/km

Mechanical characteristics

Mechanical characteristics

Maximum pulling force by laying
88.1 kN

Usage characteristics

Usage characteristics

Bending factor when laying
20 (xD)
Max. conductor temperature in service
90 °C
Maximum deployment ocean depth
1064 m
Minimum installation temperature
-10 °C
Short-circuit max. conductor temperature
250 °C

Resources

Resources

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