LT AERIAL BUNDLED
CONDUCTOR (ABC) POLYMERIC INSULATED AS PER BS 7879 ( PT - 5 )
1999
|
Nomianl
Cross Sectional Area of conductor sqmm
|
Maximum
Conductor D.C Resistance at 20 Deg.C Ohm/Km
|
Minimum
Average Thickness of XLPE Insulation
mm
|
Ultimate
Tensile strength of conductor
KN
|
|
25
|
1.20
|
1.3
|
4.1
|
|
35
|
0.868
|
1.3
|
5.6
|
|
50
|
0.641
|
1.5
|
7.6
|
|
70
|
0.443
|
1.5
|
11
|
|
95
|
0.320
|
1.7
|
15.3
|
|
120
|
0.253
|
1.7
|
19.4
|
|
DESIGNATION
|
CONDUCTOR
|
Average
Thickness of Insulating Sheath Specified Value
(mm)
|
Core
|
| |
Breaking
Strength
|
Outside
Diameter
|
|
Type
|
Nomianl
Cross Sectional Area of sqmm
|
Number
of Strands
|
Maximumm
Linear Resistance at 20 Deg.C
Ohm/Km
|
Minimum
Conductor Diameter (mm)
|
Minimum
(daN)
|
Maximum
(daN)
|
Minimum
|
Maximum
|
|
Phase
|
16
|
7
|
1.91
|
4.7
|
190
|
290
|
1.2
|
7
|
7.9
|
|
Or
|
25
|
7
|
1.20
|
6.0
|
300
|
450
|
1.4
|
8.7
|
9.6
|
|
Neutral
|
35
|
7
|
0.868
|
7.0
|
420
|
630
|
1.6
|
10.1
|
11.1
|
|
Non
|
50
|
7
|
0.641
|
8.2
|
600
|
900
|
1.6
|
11.3
|
12.3
|
|
Return
|
70
|
12
|
0.443
|
9.8
|
840
|
1260
|
1.8
|
13.3
|
14.3
|
|
Neutral
Return
|
54.6
|
7
|
0.63
|
9.2
|
1660
|
-
|
1.6
|
12.3
|
13.0
|
In HT Aerial Bunched Cables
the phase Conductor Consists of Stranded Circular Compacted Aluminium
Conductor. Conductor Screened with extruded S.G Compound, Insulated
with Cross linked Polythylene (XLPE) Insulation Screened with
Extruded S.C Compound followed by Copper tape or Plastic coated
aluminium tape, outer sheathed with PVC or Black weather resistant
Polyethylene and three such phase conductor are twisted around
bare stranded circular compacted aluminium alloy messenger conductor
which takes all the mechanical stress & also serve as the
earth cum neutral conductor.
|
DESIGNATION
|
COMPLETE
BUNCHED CABLES>
|
|
Approx.
Overall DIA
mm
|
Approx.
Total Mass
KG/Km
|
|
6.35/11KV 3 x
35 + 70
|
53
|
1450
|
|
6.35/11KV 3 x
70 + 70
|
59
|
1900
|
The first part refers
to phase conductor and second to bare messenger conductor. |
