XnRUHKXS armored 3*240/50 6/10kV

Description

Description

Standards

  • International
    IEC 60502-2

CU/SC/XLPE/SC/SC SWEL/CU WIRES/SWEL/ALLUPE/PE/ARMOUR/PE

APPLICATION

Power use outdoor application, even wet.

Suitable for fixed installations at open air, in tube or canals and underground.

Max. Operation temperature: 90°

Max. Short circuit temperature : 250° (Max 5 s)

 

CONSTRUCTION

1. Conductor:

Compacted Round conductor class 2

2. Insulation:

Extruded inner semi conductive layer, XLPE insulation and  extruded outer semi conductive layer

3. Water proof tape:

Semi-conductive swelling tape

4. Metallic screen layer:

Copper wires with open helix copper tape

5. Water proof tape:

Swelling tape

6. Radial water tightness:

Longitudinal PE coated Aluminum Tape

7. Separation sheath:

PE

8. Armour:

Aluminum wires armouring for single core, Galvanized steel wires armoring for 3 cores

9. Outer sheath:

PE, Black or as per customer requirement

10. Marking:

By Inkjet printing on one line over the outer jacket

9. Packing:

Drums can be wooden or steel

TEST AT WORKS FOR XnRUHKXS armored

Routine Tests
-Max. DC conductors resistance at 20°C acc. to IEC 60228 & IEC 60502-2 parag. 16.1 & 16.2
-High voltage test acc. to IEC 60502-2 parag. 16.1 & 16.4
-Max. partial discharge test at 1.73 Uo acc. to IEC 60502-2 parag. 16.1 & 16.3

Liban Cables will carry out these tests on all the lengths and tests certificates will be provided 

                                                                       

Sample tests

 -          Check of the build - up and color coding of the cable                                                      

 -          Check of dimensions                                                    

            Insulation          :           according to IEC 60502-2                       Parag.  17.5.2

            Metallic screen  :           according to IEC 60502-2                       Parag.  17.7

            Separation sheath:        according to IEC 60502-2                       Parag.17.5.3

            Armouring:                    according to IEC 60502-2                       Parag.17.7

            Oversheath       :           according to IEC 60502-2                       Parag.  17.5.3

- Hot Set Test for XLPE insulation according to IEC 60502-2 parag. 17.10

                                                                       

These tests will be carried out on one length of each size during each inspection . 

Tests certificates will be provided by Liban Cables                                                                      

                                                                       

Type tests

Mechanical characteristics on insulation and sheaths material (tensile strength and elongation at break) in accordance with IEC 60502-2. 

These tests will be carried out on one length of the order.

Tests certificates will be provided by Liban Cables

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Number of conductors
3
Conductor material
Aluminum
Conductor flexibility
Stranded class 2
Conductor shape
Round compacted
Material of the inner semi-conductor
Semi-conducting compound
Insulation
XLPE
Material of the external semi-conductor
Extruded fully bonded
Material used for longitudinal water tightness
Swellable tape
Concentric conductor
Copper wires and helical copper tape
Protection
Aluminium tape
Armour type
Aluminium Wire
Outer sheath
Fire-retardant PVC
Sheath colour
Red

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
240 mm²
Conductor diameter
18.1 mm
Nominal insulation thickness
3.4 mm
Screen section
50 mm²
Nominal armour wire diameter
3.15 mm
Nominal outer sheath thickness
3.6 mm
Nominal outer diameter
82.0 mm
Approximate net weight
13678 kg/km

Electrical characteristics

Electrical characteristics

Test voltage
21 kV
Rated Voltage Uo/U (Um)
6 / 10 (12) kV
Frequence
50 Hz
Maximal partial discharge test
10 pC
Perm current rating in air 30°C
529 A
Permissible current rating when buried
431 A
Max. DC resistance of the conductor at 20°C
0.0754 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.0981 Ohm/km
Permissible short circuit current conductor 1s
34 kA
Thermal soil resistivity wet zone
1.5 °K.m/W

Mechanical characteristics

Mechanical characteristics

Cable flexibility
7xD
Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Flame retardant
IEC 60332-1-2
Bending factor when laying
14 (xD)
Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Minimum operating temperature
-35 °C

Resources

Resources

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