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Conductors For Overhead Lines
Conductors for Overhead Lines CONDUCTORS FOR OVERHEAD LINES
HARD DRAWN COPPER CON DUCTOR (HDBC)
Nominal
Area
Number of
Wires in
Conductor
Nominal Diameter.
of Wires
in Conductor
Approx.
Conductor
Diameter
Max. Conductor
Resistance
at 20 °C
Standard
Weight
Maximum
Weight
Breaking
Load
Min.
Sq mm No mm mm Ω/Km Kg/Km Kg/Km N
10
14
16
25
32
35
50
70
100
125
150
185
7
7
3
7
3
7
7
7
7
19
19
18
1.35
1.6
2.65
2.14
3.75
2.5
3
3.55
4.3
2.9
3.1
3.55
4.05
4.8
5.69
6.42
8.05
7.5
9.0
10.65
12.9
14.5
16
17.75
1.823
1.298
1.104
0.7255
0.5514
0.5319
0.3694
0.2637
0.1 804
0.1463
0.1201
0.09759
89.78
126.1
148.3
225.7
296.9
308
443.5
621
911.2
1130
1376
1693
91.88
128.9
152
230.7
304.3
314.9
453.4
634.7
934.3
1158
1410
1735
4129
5744
6590
10170
12710
14097
19497
26880
37640
48340
58690
71380

Conductor conforms to BS 125


ALL ALUMINIUM CONDUCTORS (AAC)
CODE
WORD
Nominal
Size
Stranding
and wire
diameter
Diameter of
complete
conductor
Calculated
area of
complete
conductor
Ultimate
strength
D. C.
Resistance
at 20 °C
Weight
  Sq mm No./mm mm Sqmm Kg. Ω/km kg/km
Gnat
Ant
Wasp
Arbutus
Hawthorn
25
50
100
400
500
7/2.21
7/3.10
7/4.39
37/3.72
61/3.55
6.63
9.3
13.17
26.06
31.95
26.85
52.83
105.95
402.15
603.78
469
847
1633
6304
8966
1.0661
0.5419
0.2702
0.0717
0.0479
73.4
144.4
290.1
1108.7
1668.1

Conductor conforms to BS 215 (Part 1) - 1970.


Conductors for Overhead Lines STEEL CORED ALUMINIUM CONDUCTORS (ACSR)
Code
Word
Alluminium
conductor
Steel
Core
Diameter Cores
area of
aluminium
Area of
complete
conductor
Rated
Ultimate
strength
D.C
Resistance
at 20 °C
Weight
Complete
conductor
Steel
Core
No / mm No / mm mm mm mm2 mm2 Kg Ω/km Kg/km
Gopher
Rabbit
Dog
Lynx
cuckoo
Drake
Rail
Cardinal
6/2.36
6/3.35
6/4.72
30/2,79
24/4.62
26/4.44
45/3.70
54/3.38
1/2.36
1/3.35
7/1.57
7/2.79
7/3.08
7/3.45
7/2.47
7/3.38
7.08
10.05
14,15
19.53
27.72
28.11
29.61
30.42
2.36
3.35
4.71
8,37
9.24
10.35
7.41
10,14
26.25
52.88
104.98
183.14
402.33
402.5
483.84
484.5
30.62
61.69
118,53
226.2
454.48
467.94
517.38
547,3
980
1875
3225
8192
12385
14140
11874
15262
1,093
0.543
0.273
0,158
0.072
0,07171
0.06
0.06
106
214
394
842
1519
1622
1599
1832

 
 
 
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