Nexans - MV Underground Power Cables

Description

Standards

Product

IEC 60228; IEC 60502-2
Test

IEC 60332-1-2

CU/SC/XLPE/SC/SC TAPE/CU WIRES/ low temp. PVC

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 + Semi-conductive tape

3. Metallic screen layer:

Copper wires with open helix copper tape

4. Outer sheath:

Low Temperature PVC, Red or as per customer requirement

5. Marking:

By Inkjet

6. Packing:

Drums can be wooden or steel

TEST AT WORKS according to IEC 60502-2

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

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

DRAWING YnHKXS

Characteristics

Construction characteristics

Conductor material

Copper

Conductor flexibility

Stranded class 2

Conductor shape

Circular compacted

Material of the inner semi-conductor

Semi-conducting compound

Insulation

XLPE

Material of the external semi-conductor

Extruded fully bonded

Concentric conductor

Copper wires and helical copper tape

Outer sheath

PVC

Sheath colour

Red

Dimensional characteristics

Conductor cross-section

35 mm²

Conductor diameter

6.9 mm

Nominal insulation thickness

5.5 mm

Screen section

16 mm²

Nominal outer sheath thickness

1.8 mm

Nominal outer diameter

21.0 mm

Approximate net weight

725 kg/km

Electrical characteristics

Test voltage

42 kV

Rated Voltage Uo/U (Um)

12 / 20 (24) kV

Frequence

50 Hz

Perm current rating in air 30°C

198 A

Permissible current rating when buried

166 A

Max. DC resistance of the conductor at 20°C

0.524 Ohm/km

A.C. Conductor resist. 50Hz and at 90 °C

0.668 Ohm/km

Permissible short circuit current conductor 1s

5.2 kA

Thermal soil resistivity wet zone

1.5 °K.m/W

Mechanical characteristics

Cable flexibility

10xD

Mechanical resistance to impacts

Good

Usage characteristics

U.V resistance

Yes

Flame retardant

IEC 60332-1-2

Bending factor when laying

20 (xD)

Laying depth, center of system

800 mm

Ambient air temperature

30 °C

Ambient ground temperature

20 °C

Minimum operating temperature

-35 °C

Max. conductor temperature in service

90 °C

Short-circuit max. conductor temperature

250 °C

YHKXS 1*35/16 6/10KV

Description

Description

Standards

CU/SC/XLPE/SC/SC TAPE/CU WIRES/ low temp. PVC

TEST AT WORKS according to IEC 60502-2

DRAWING YnHKXS

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Dimensional characteristics

Dimensional characteristics

Electrical characteristics

Electrical characteristics

Mechanical characteristics

Mechanical characteristics

Usage characteristics

Usage characteristics

Resources

Resources

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