Sr. No. |
Particular |
Unit |
ACSR 'Panther' |
ACSR 'Zebra' |
ACSR 'Moose' |
5. |
Particulars of Aluminium strands |
|
|
|
|
i) |
Diameter |
|
|
|
|
|
a) Standard |
mm |
3.00 |
3.18 |
3.53 |
|
b) Maximum |
mm |
3.03 |
3.16 |
3.55 |
|
c) Minimum |
mm |
2.97 |
2.19 |
3.51 |
ii) |
Cross sectional area of standard diameter wire |
mm2 |
7.069 |
7.942 |
9.787 |
iii) |
Weight per Km |
|
|
|
|
|
a) Standard |
Kg |
19.11 |
21.47 |
26.45 |
|
b) Maximum |
Kg |
|
|
|
|
c) Minimum |
Kg |
|
|
|
iv) |
Minimum breaking load |
|
|
|
|
|
a) Before stranding |
KN |
1.17 |
1.29 |
1.57 |
|
b) After stranding |
KN |
1.11 |
1.23 |
1.49 |
v) |
Maximum D.C. resistance at 200C |
Ohm/Km |
4.107 |
3.651 |
2.921 |
vi) |
Joints in strands of 12 wire Aluminium layer if any |
|
No joint |
No joint |
No joint |
6. |
Particulars of Steel strands |
|
|
|
|
i) |
Diameter |
|
|
|
|
|
a) Standard |
mm |
3.00 |
3.18 |
3.53 |
|
b) Maximum |
mm |
3.06 |
3.21 |
3.60 |
|
c) Minimum |
mm |
2.94 |
3.14 |
3.46 |
ii) |
Cross sectional area of standard diameter wire |
mm2 |
7.069 |
7.942 |
9.787 |
iii) |
Weight per Km |
|
|
|
|
|
a) Standard |
mm |
55.13 |
61.95 |
76.34 |
|
b) Maximum |
mm |
57.36 |
63.12 |
79.39 |
|
c) Minimum |
mm |
52.95 |
60.40 |
73.33 |
iv) |
Minimum breaking load |
|
|
|
|
|
a) Before stranding |
KN |
9.29 |
10.43 |
12.85 |
|
b) After stranding |
KN |
8.83 |
9.91 |
12.22 |
v) |
Elongation of 200 mm length on breaking |
% |
4 |
4 |
4 |
vi) |
Coating of steel core |
|
|
|
|
|
a) Quality of Zinc |
|
99.95% purity |
99.95% purity |
As per IS: 209-1979 |
|
b) Process of galvanising |
|
Hot Dip |
Hot Dip |
Hot Dip |
|
c) Minimum weight of coating |
gm/m2 |
240 |
250 |
260 |
|
d) Minimum no of dips of one minute duration which the strand can withstand (under preace test) |
Nos. |
3 |
3 |
3 |
7. |
Particulars of Complete Conductor |
|
|
|
|
i) |
Code words, if any |
|
ACSR 'Panther' |
ACSR 'Zebra' |
ACSR 'Moose' |
ii) |
Copper equivalent Area |
mm2 |
310 |
260 |
325 |
iii) |
Nominal aluminium area |
mm2 |
200 |
420 |
520 |
iv) |
Sectional area of aluminium |
mm2 |
212.10 |
428.91 |
528.50 |
v) |
Total sectional area |
mm2 |
261.50 |
484.50 |
597.00 |
vi) |
Overall diameter |
mm |
21.00 |
28.62 |
31.77 |
vii) |
Stranding, lay and wire diameter |
|
|
|
|
|
a) Aluminium |
mm |
30/3.00 Right
Hand lay
|
54/3.18 |
54/3.53 |
|
b) Steel |
mm |
7/3.00 |
7/3.18 |
7/3.53 |
viii) |
Lay ratio |
Min. mMaxm |
|
|
|
|
a) Steel core |
|
|
|
|
|
i) 6 wire Layer |
Max. |
28 |
28 |
28 |
|
|
Min. |
13 |
13 |
16 |
|
b) Aluminium |
|
|
|
|
|
i) 12 Wire Ist Layer |
Max. |
16 |
15 |
14 |
|
|
Min. |
10 |
10 |
12 |
|
ii) 18 Wire IInd layer |
Max. |
14 |
14 |
13 |
|
|
Min. |
10 |
10 |
11 |
|
iii) 24 Wire IIIrd Layer |
Max. |
- |
12 |
12 |
|
|
Min. |
- |
10 |
10 |
x) |
Approximate calculated breaking load |
KN |
89.67 |
130.32 |
159.60 |
xi) |
Final modules of Elasticity (Practical) |
GN/m2 |
80 |
69 |
69 |
xii) |
Coefficient of linear expansion |
Per0C |
17.8x10-6 |
193x10-6 |
19.35x10-6 |
xiii) |
Approximate total weight per Km |
|
|
|
|
|
a) Steel Section |
Kg |
388.00 |
437.00 |
537.00 |
|
b) Aluminium Section |
Kg |
586.00 |
1184.00 |
1461.00 |
|
c) ACSR Composite |
Kg |
974.00 |
1621.00 |
1998.00 |
xiv) |
Calculated D.C. resistance at 200C (Maximum) |
Ohm/Km |
0.1390 |
0.06885 |
0.25595 |
xv) |
Standard length of conductor (with tolerance, if any) |
Metres |
1500+5% |
1500+5% |
1500+5% |
xvi) |
Number of standard length in one reel (drum) |
Nos |
One |
One |
One |
xvii) |
Random lengths (Maximum percentage of the lengths ordered) |
% |
10 |
10 |
10 |