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Table 14-II

Technical Particulars of ACSR 'Special Panther' and ACSR 'Speci

1. Specification to which the finished conductor conforms : IS-398 Part-II-1976
2. Purity of Aluminium'Rods : 99.5% Minimum
3. Percentages of Carbon in steel wire/rods : 0.50 to 0.85 (Preferably 0.65%)
4. Purity of Zinc : 99.95%

al Deer' Conductor


 Sr. No. Particular UNIT ACSR 'Special Panther ACSR 'Special Deer'
5. Particulars of Aluminium Strands      
i) Diameter      
  a) Standard mm 3.00 4.65
  b) Maximum mm 3.03 4.70
  c) Minimum mm 2.97 4.60
ii) Crossectional area of standard diameter wire mm2 7.069 16.974
iii) Weight per Km.      
  a) Standard Kg 19.11 45.90
  b) Maximum Kg   46.359
  c) Minimum Kg   45.441
iv) Minimum breaking load      
  a) Before stranding KN 1.17 2.69
  b) After stranding KN 1.11 2.56
v) Maximum D.C. resistance at 200C Ohm/Km 4.107 1.692
vi) Joints in strands of 12 wire Aluminium layer if any   No joint No joint
vii) Method of making joint   - -
viii) Ultimate tensile strength of joint Kg/mm2 - -
6. Particulars of steel strands      
i) Diameter      
  a) Standard mm 3.00 2.79
  b) Maximum mm 3.06 2.85
  c) Minimum mm 2.94 2.73
ii) Cross sectional area of standard diameter wire mm2 7.069 6.114
iii) Weight per Km      
  a) Standard Kg 55.13 48.00
  b) Maximum Kg   49.76
  c) Minimum Kg   45.66
iv) Minimum breaking load      
  a) Before stranding KN 9.29 8.03
  b) After stranding KN 8.83 7.63
v) No of twists in 15 cm length which the strand can withstand as according to torsion test     As per IS-398
(Part-II-1976)
vi) Elongation of 200 mm length on breaking % 4 1
vii) Coating of steel core      
  a) Quality of Zinc  

Min. 99.95%
Purity

Min. 99.95% Purity

  b) Process of galvanising   Hot Dip Hot Dip
  c) Minimum weight of coating gm/m2 240 240 (before stranding)
  d) Minimum no of dips of one minute duration which the strand can withstand (under preace test) Nos 3 3 (Before stranding)
7. Particulars of Complete Conductor      
i) Code words, if any   'Special Panther' 'Special Deer'
ii) Copper equivalent area mm2 52.000 120.000
iii) Nominal aluminium area mm2 83.025 199.360
iv) Sectional area of aluminium mm2 84.824 203.688
v) Total sectional area mm2 134.311 319.860
vi) Overall diameter mm 15.00 23.250
vii) Stranding, lay and wire diameter      
  a) Aluminium mm

12/3.00 Right
Hand Lay

12/4.65 Right Hand Lay

  b) Steel mm 7/3.00 19/2.69
viii) Lay ratio Min. mMaxm    
  a) Steel core      
  i) 6 wire layer   13       28 13       28
  ii) 12 wire layer     12       24
  b) Aluminium      
  i) 12 wire aluminium increase in length   10        14 10       14
ix) Calculated percentage increase in length      
  a) Steel core      
  i) 6 wire layer %   0.78648
  ii) 12 wire layer %   1.90944
  b) Aluminium      
  i) 6 wire aluminium layer %   1.90944
x) Approximate calculated breaking load KN 69.02 kg. 161.1417
xi) Final modules of Elasticity (practical) GN/m2

1.070x106
(Kg/cm2)

76

xii) Coefficient of linear expansion per0C 15.3x10-6 17.5x10-6
xiii) Approximate total weight per Km      
  a) Steel Section Kg 388.00 919.12
  b) Aluminium Section Kg 234.00 562.73
  c) ACSR Composite Kg 622.00 1481.85
xiv) Calculated D.C. resistance at 200C (Maximum) Ohm/Km 0.3497 0.1458
xv) Standard length of conductor (with tolerance, if any) Metres 2000+25 2000+25
xvi) Number of standard length in one reel (drum) Nos One One
xvii) Random lengths (Maximum percentage of the lengths ordered) % Not permitted