3C Cu Cond. CWS, Unarmored

Description

Description

Standards

  • International
    IEC 60228; IEC 60332-1-2; IEC 60502-2

1-SCOPE

This specification covers three cores unarmoured cables, conforming to IEC 60502-2 Specifications.
 

2. CONSTRUCTION

2.1 Conductor

Plain, annealed electrolytic copper conductors, circular stranded,conforming to the applicable requirements of IEC 60228.

2.2 Insulation

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

2.3 Metallic Screen Layer

Copper wires + open helix Copper tape on each core

2.4 Sheath

PVC .

3. TESTS

All tests required by IEC 60502-2 either on Raw material or on finished products.

TEST AT WORKS ACCORDING TO IEC 60502-2 / PRÓBY FABRYCZNE XNUHAKXS, XNUHKXS

Routine Tests / Badania rutynowe:

• Max. DC conductors resistance at 20°C acc. to IEC 60228 & IEC 60502-2 parag.16.2 / Maks. rezystancja DC żył w temperaturze 20°C zgodnie z IEC 60228 i IEC 60502-2 pkt 16.2

• High voltage test acc. to IEC 60502-2 parag. 16.4 / Próba wysokim napięciem zgodnie z IEC 60502-2 pkt 16.4

• Max. partial discharge test at 1.73 Uo acc. to IEC 60502-2 parag. 16.3 / Badanie maksymalnych wyładowań niezupełnych przy 1,73 Uo zgodnie z IEC 60502-2 pkt 16.3

 

Liban Cables will carry out these tests on all the lengths and tests certificates will be provided  / Firma Liban Cables przeprowadzi te badania dla wszystkich odcinków kabli i dostarczy świadectwa z badań

 

Sample tests / Badania próbek:

• Check of the build - up and color coding of the cable / Sprawdzenie rozwijania i kolorowych oznaczeń kabla

• Check of dimensions / Sprawdzenie wymiarów

Insulation / Izolacja        :           according to IEC 60502-2 / zgodnie z IEC 60502-2          Parag. / pkt.      17.5.2

Metallic screen / Ekran metaliczny          :           according to IEC 60502-2 / zgodnie z IEC 60502-2          Parag. / pkt.            17.7

Oversheath / Powłoka zewnętrzna           :           according to IEC 60502-2 / zgodnie z IEC 60502-2          Parag. / pkt.            17.5.3

- Hot Set Test for XLPE insulation according to IEC 60502-2 parag. 17.10 /-Badanie stopnia usieciowania izolacji z XLPE zgodnie z IEC 60502-2 pkt 17.10

 

These tests will be carried out on one length of each size during each inspection . / Badania te – podczas każdej kontroli – zostaną przeprowadzone na jednym odcinku dla każdego rozmiaru kabla.

Tests certificates will be provided by Liban Cables / Świadectwa z badań dostarczy firma Liban Cables

 

Type tests / Próby typu

Mechanical characteristics on insulation and sheaths material (tensile strength and elongation at break ) in accordance with IEC 60502-2. / Charakterystyki mechaniczne materiałów izolacji i powłoki zewnętrznej (wytrzymałość na rozciąganie i wydłużenie przy zerwaniu) zgodnie z IEC 60502-2.

These tests will be carried out on one length of the order / Badania te zostaną przeprowadzone na jednym odcinku z zamówienia

Tests certificates will be provided by Liban Cables / Świadectwa z badań dostarczy firma Liban Cables

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Circular
Material of the inner semi-conductor
Extruded
Insulation
XLPE
Screen
Copper wires
Outer sheath
PVC
Colour
Black
Conductor flexibility
Class 2 IEC 60228

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
- mm²
Conductor diameter
- mm
Nominal insulation thickness
- mm
Screen section
- mm²
Nominal outer sheath thickness
- mm
Nominal outer diameter
- mm
Approximate net weight
- kg/km

Electrical characteristics

Electrical characteristics

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

Mechanical characteristics

Mechanical characteristics

Cable flexibility
8xD

Usage characteristics

Usage characteristics

Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Operating temperature, range
-15 - 55 °C
Short-circuit max. conductor temperature
250 °C

Resources

Resources

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