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 AAC/AAAC/ACSR Conductors
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LUMINO AAAC Conductors and Technical Data

AAAC Conductors is a new concept for energy conservation.

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Advantages of AAAC Conductors
CORROSION RESISTANCE AAAC exhibits excellent corrosion resistance specially in sea coast areas and in polluted industrial areas due to absence of steel core.
LOWER POWER LOSSES Since AAAC is homogeneous (with all strands of Aluminium Alloy) with no steel component the resistance of AAAC is lower as compared to ACSR.
HIGHER AMPACITY AAAC can carry atleast 15-20% extra current as compared to ACSR of equal size.
LONGER LIFE Experience in foreign countries shows that All Aluminium Alloy Conductors are in service for over 60 years, which is about double the life of ACSR Conductors.
SURFACE HARDNESS The surface hardness of AAAC is 80 BHN as compared to 35 BHN of ACSR. This reduces the damage to surface during handling and therefore leading to lesser corona losses and ratio interference at EHV.
THERMAL STABILITY AAAC are stable upto 90oC against ACSR conductors which are stable upto 75oC.
HIGHER STRENGTH TO WEIGHT RATIO Since AAAC has higher strength to weight ratio, span can be increased from 2 to 15% resulting in overall reduction of cost in towers supports and other accessories in transmission line system.

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PHYSICAL PROPERTIES OF AAAC WIRES
Melting Temperature          652oC Typical Electrical resistivity at 20oC 53.5
Density                             2.7 kg/mm3 Standard 0.0325
Coefficient of Linear Expansion per oC               23 X 10-6 Typical 0.0320
Brittle Hardness 80 BHN Ultimate Tensile Strength 30 kg/mm2
Elongation (percent in 200 mm) 4.5 to 5.5%    
Electrical conductivity at 200oC in LACS 52.5 Modulus of Elasticity in kg/mm2  
    Initial 5200 to 5600
    Final 6250 to 6450
  
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CONSTRUCTION FOR ALL ALUMINIUM ALLOY CONDUCTOR AS PER IS:398 (PT - IV) 1994
No of wire in Conductor Construction LAY RATIO FOR EACH LAYER
3 WIRE 6 WIRE 12 WIRE 18 WIRE 24 WIRE
3 3 10 to 14 - - - -
7 1+6 - 10 to 14 - - -
19 1+6+12 - 10 to 16 10 to 14 - -
37 1+6+12+18 - 10 to 17 10 to 16 10 to 14 -
61 1+6+12+18+24 - 10 to 17 10 to 16 10 to 15 10 to 14
  
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EQVT

ACSR

CODE WORD 		ACTUAL
AREA

(Sq mm)  		STRANDING & WIRE DIAMETER  CONDUCTOR
 		OVERALL
DIA (mm)

(APPROX) 		MASS
(APPROX)

(Kg. /Km) 		RESISTANCE
AT 20 degC
(Ohms/Km)
(MAX) 		ULTIMATE
BREAKING

LOAD (Kn) 
NO.  DIA (mm) 
MOLE  15  3  2.50  5.39  40.15  2.3040  4.33 
SQUIRREL  22  7  2.00  6.00  60.16  1.5410  6.45 
WEASEL  34  7  2.50  7.50  94.00  0.9900  10.11 
RABBIT  55  7  3.15  9.45  149.20  0.6210  16.03 
RACOON  80  7  3.81  11.43  218.26  0.4250  23.41 
DOG  100  7  4.26  12.78  272.86  0.3390  29.26 
DOG (UP)  125  19  2.89  14.45  342.51  0.2735  36.64 
COYOTE  148  19  3.15  15.75  406.91  0.2290  43.50 
WOLF  173  19  3.40  17.00  474.02  0.1969  50.54 
WOLF (UP)  200  19  3.66  18.30  549.40  0.1710  58.66 
PANTHER  232  19  3.94  19.70  636.67  0.1471  68.05 
PANTHER (UP)  288  37  3.15  22.05  794.05  0.1182  84.71 
PANTHER (UP)  346  37  3.45  24.15  952.56  0.0984  101.58 
KUNDAH  400  37  3.71  25.97  1101.63  0.0829  117.40 
ZEBRA  465  37  4.00  28.00  1280.50  0.0734  136.38 
ZEBRA (UP)  525  61  3.31  29.79  1448.39  0.0651  146.03 
MOOSE  570  61  3.45  31.05  1573.71  0.0598  158.66 
MORCULLA  604  61  3.55  31.95  1666.00  0.0568  167.99 
MOOSE (UP)  642  61  3.66  32.94  1771.36  0.0534  178.43 
MORCULLA (UP)  695  61  3.81  34.29  1919.13  0.0492  193.25 
BERSIMIS  767  61  4.00  36.00  2115.54  0.0446  213.01 

  
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