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Bare Conductor
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AAC (All Aluminum Conductors)

AAC are a refined Aluminium stranded conductor with a minimum metal purity of 99.7%. It is principally used in urban areas where spacing is short and the supports are close. It can be used in coastal regions owing to its high degree of corrosion resistance and is also used extensively within the Railway and Metro industries.

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1. Application

AAC are a refined Aluminium stranded conductor with a minimum metal purity of 99.7%. It is principally used in urban areas where spacing is short and the supports are close. It can be used in coastal regions owing to its high degree of corrosion resistance and is also used extensively within the Railway and Metro industries.\

category:Bare Conductor

2. Standards

Basic design to BS 215-1 / BS EN 50182 / IEC 61089 / ASTM B 231/B 231M / DIN 48201-5 standards

3. Cable Construction

Concentric lay stranded Aluminium Conductor ( AAC) is made up of one or more strands of hard drawn 1350 aluminum alloy. These conductors are used in low, medium and high voltage overhead lines. AAC has seen extensive use in urban areas where spans are usually short but high conductivity us required. The excellent corrosion resistance of aluminium has made AAC a conductor of choice in coastal areas. Because of its relatively poor strength to weight ratio, AAC had limited use in transmission lines and rural distribution because of long spans utilized. All aluminium conductors are made up of one or more strands of aluminium wire dep.

4. Electrical Properties

Density@20ºC 2.703 kg/dm
Temperature Coefficient@20°C 0.00403 (°C)
Resistivity@20°C 0.028264
Linear Expansivity 23 x10-6 (°C)

5. Service Conditions

Ambient Temperature -5°C - 50°C
Wind Pressure 80 – 130kg/m2
Seismic Acceleration 0.12 - 0.05g
Isokeraunic Level 10 – 18
Relative Humidity 5 – 100%
Density@20ºC 2.703 kg/dm
Temperature Coefficient@20°C 0.00403 (°C)
Resistivity@20°C 0.028264
Linear Expansivity 23 x10-6 (°C)

6. All Aluminum Conductors (AAC) IEC 61089 Standard

Code Nominal
cross-sectional
area
Numberofstrands Diameter Approximate
weight of
cable
Nominal
BreakingLoad
MaximumDC
Resistanceat20℃
Single wire Conductor
mm² mm mm kg/km kN Ω/km
10 10 7 1.35 4.05 27.4 1.95 2.8633
16 16 7 1.71 5.12 43.8 3.04 1.7896
25 25 7 2.13 6.40 68.4 4.50 1.1453
40 40 7 2.70 8.09 109.4 6.80 0.7158
63 63 7 3.39 10.2 172.3 10.39 0.4545
100 100 19 2.59 12.9 274.8 17.00 0.2877
125 125 19 2.89 14.5 343.6 21.25 0.2302
160 160 19 3.27 16.4 439.8 26.40 0.1798
200 200 19 3.66 18.3 549.7 32.00 0.1439
250 250 19 4.09 20.5 687.1 40.00 0.1151
315 315 37 3.29 23.0 867.9 51.97 0.0916
400 400 37 3.71 26.0 1102.0 64.00 0.0721
450 450 37 3.94 27.5 1239.8 72.00 0.0641
600 600 37 4.15 29.0 1377.6 80.00 0.0577
560 560 37 4.39 30.7 1542.9 89.60 0.0515
630 630 61 3.63 32.6 1738.3 100.80 0.0458
710 710 61 3.85 34.6 1959.1 113.60 0.0407
800 800 61 4.09 36.8 2207.4 128.00 0.0361
900 900 61 4.33 39.0 2483.3 144.00 0.0321
1000 1000 61 4.57 41.1 2759.2 160.00 0.0289
1120 1120 91 3.96 43.5 3093.5 179.20 0.0258
1250 1250 91 4.18 46.0 3452.6 200.00 0.0231
1400 1400 91 4.43 48.7 3866.9 224.00 0.0207
1500 1500 91 4.58 50.4 4143.1 240.00 0.0193
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