TECHNICAL DATA SHEET FOR 18/30 KV HT XLPE (A) POWER CABLES AS PER IEC: 60502 (P-2)

Client :
Project : Dated- 14.13.2014
S.No. Descripation Units 3C x 400
1.0 GENERAL
Name of Manufacture M/s KEI Industries limited.
Voltage Grade 18/30 kV
Standards Applicable IEC: 60502 (P-2)
Curing method Dry curing
Extrusion method Triple

2.0 CONDUCTOR
Material Annealed Bare copper as per class- 2 of IEC: 60228
Nominal Cross Sectional Area sq.mm. 400
Shape of conductor Stranded compacted circular
Nominal Diameter mm 23.6
Max. DC Resistance at 20 Deg.C Ohms/km 0.0470
Approx. AC Resistance at 90 Deg.C Ohms/km 0.060
Short Circuit Current for 1 sec. KA/sec 57.200

3.0 Max CONDUCTOR TEMPERATURE

Rated 90 0C
During short circuit 250 0C

4.0 CONDUCTOR SCREEN

Extruded semi conducting compound on top of wrapped semi-conducting
Material tape over conductor.
Thickness (Minimum) mm 0.3

5.0 INSULATION
Material Extruded XLPE as per IEC: 60502 (P-2)
Thickness (Nominal) mm 8.0
Tolerance on Insulation Thickness (-ive) mm 0.1+0.1*t (t = Nominal thickness of Insulation)

6.0 INSULATION SCREEN

Material Extruded semi conducting compound
Thickness (Minimum) mm 0.3

7.0 METALLIC SHIELD

Material & Thickness Copper tape of approx. (0.040) mm thickness with approx. 10% overlap.
Earth Fault Current 300 Amps. for 1 sec (collectively for 3 Cores)

8.0 CORE COLOUR For 3 cores- Coloured Strips of Red, Yellow & Blue

9.0 INNER SHEATH

Material Extruded PVC " Type ST- 2 " as per IEC: 60502 (P-2)
Thickness (Min.) mm 0.6
Colour Black

10.0 ARMOUR
Material Galvanized steel wire as per IEC: 60502 (P-2)
Size of armour (Nominal) mm 3.15

11.0 OUTER SHEATH

Material Extruded FRLS PVC " Type ST- 2 " as per IEC: 60502 (P-2)
Thickness (Nominal) mm 4.4
 TECHNICAL DATA SHEET FOR 18/30 KV HT XLPE (A) POWER CABLES AS PER IEC: 60502 (P-2)

Client :
Project : Dated- 14.13.2014
S.No. Descripation Units 3C x 400
Colour Black

FRLS Properties
Oxygen Index Min. 29% as per ASTM D-2863
0
Temperature Index Min. 250 C as per ASTM D-2863
Smoke Density Rating Max. 60% as per ASTM D-2843
Acid Gas Generation (HCL) Max. 20% (by weight) as per IEC: 754-1
Flammability test Shall pass as per IEC: 332 P-1

12.0 CABLE DATA

Approximate overall diameter of cable mm 107.0
Tolerance on overall diameter ± 3 mm
Approx weight of cable Kg./Km 22296

13.0 Continuous current rating for cables when

laid up
In ground @ 20 Deg.C Amps. 541
In air @ 30 Deg.C Amps. 683
(Depth of Laying - 800 mm, Thermal resistivity of
soil 1.5 K.m/W)

14.0 Drum Details In Non returnable Wooden Drum

Standard Drum Length meters 250
Individual Drum tolerance + /- 5 %
Overall Quantity Tolerance + /- 5 %

15.0 Sequential length marking Shall be provided on outer sheath by printing @ every one mtr

16.0 Embossing KEI-Cable Electric 18/30 kV, Cable Size, Year of Mfr. , FRLS

(for KEI Industries Limited)

3C x 400
22.6
8.0
41.6
89.9
INNER SHEATH (THICK) 0.6
91.1
ARM 3.15
97.4
OUTERSHEATH (THICK) 4.407
ROUND OFF TO 1 DECIMAL PLACE 4.4
106.2

3C x 400
23.6
0.1
24
0.6
25.2
8.1
 TECHNICAL DATA SHEET FOR 18/30 KV HT XLPE (A) POWER CABLES AS PER IEC: 60502 (P-2)

Client :
Project : Dated- 14.13.2014
S.No. Descripation Units 3C x 400
41.4
0.5
42.4
0.048
42.592
89.4
1
91.4
3.15
97.7
4.61
107.0