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The AAC Bare Conductor (All Aluminium Conductor) manufactured by Zhongdong Cable is widely used for overhead power transmission and distribution networks requiring high electrical conductivity, lightweight design, and economical installation.
AAC consists of multiple strands of hard-drawn aluminium wires concentrically stranded to form a compact and reliable bare conductor. Compared with copper conductors, AAC provides excellent conductivity with lower weight and cost, making it suitable for short and medium-span overhead lines in urban and industrial distribution systems.
|
Type |
AAC (All Aluminium Conductor) |
Conductor Material |
Hard-drawn Aluminium |
|
Construction |
Concentric stranded aluminium wires |
Stranding |
7 / 19 / 37 / 61 strands (according to size requirements) |
|
Standard |
ASTM B231 / IEC 61089 / BS EN 50182 |
Application |
Overhead transmission and distribution lines |
|
Operating Temperature |
Up to 75°C (standard design) |
Installation |
Outdoor overhead line systems |
Conductor:
Concentric stranded hard-drawn aluminium wires providing high conductivity and good mechanical performance.
Stranding:
Multiple aluminium wires are stranded in concentric layers to achieve the required cross-sectional area and flexibility.
Surface:
Smooth bare aluminium surface suitable for overhead line installation and connection fittings.
AAC bare conductors are mainly used in overhead electrical networks where high conductivity and reduced conductor weight are required.
Typical applications include:
Low and medium voltage overhead distribution lines
Urban power distribution networks
Short-span overhead transmission lines
Industrial power supply networks
Substation feeder connections
Railway electrification and auxiliary power systems
Renewable energy grid connection lines
IEC 61089
ASTM B 231 / B 231M
BS EN 50182
BS 215-1
AS 1531
GB/T 1179
|
Code Number |
Area (mm²) |
No. of Wires |
Diameter |
Linear Mass (kg/km) |
Rated Strength (kN) |
D.C. Resistance (kg/km) |
|
|
Wire (mm) |
Cond. (mm) |
||||||
|
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 |
6.4 |
68.4 |
4.5 |
1.1453 |
|
40 |
40 |
7 |
2.7 |
8.09 |
109.4 |
6.8 |
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 |
0.2877 |
|
125 |
125 |
19 |
2.89 |
14.5 |
343.6 |
21.25 |
0.2302 |
|
160 |
160 |
19 |
3.27 |
16.4 |
439.8 |
26.4 |
0.1798 |
|
200 |
200 |
19 |
3.66 |
18.3 |
549.7 |
32 |
0.1439 |
|
250 |
250 |
19 |
4.09 |
20.5 |
687.1 |
40 |
0.1151 |
|
315 |
315 |
37 |
3.29 |
23 |
867.9 |
51.97 |
0.0916 |
|
400 |
400 |
37 |
3.71 |
26 |
1102 |
64 |
0.0721 |
|
450 |
450 |
37 |
3.94 |
27.5 |
1239.8 |
72 |
0.0641 |
|
500 |
500 |
37 |
4.15 |
29 |
1377.6 |
80 |
0.0577 |
|
560 |
560 |
37 |
4.39 |
30.7 |
1542.9 |
89.6 |
0.0515 |
|
630 |
630 |
61 |
3.63 |
32.6 |
1738.3 |
100.8 |
0.0458 |
|
710 |
710 |
61 |
3.85 |
34.6 |
1959.1 |
113.6 |
0.0407 |
|
800 |
800 |
61 |
4.09 |
36.8 |
2207.4 |
128 |
0.0361 |
|
900 |
900 |
61 |
4.33 |
39 |
2483.3 |
144 |
0.0321 |
|
1000 |
1000 |
61 |
4.57 |
41.1 |
2759.2 |
160 |
0.0289 |
|
1120 |
1120 |
91 |
3.96 |
43.5 |
3093.5 |
179.2 |
0.0258 |
|
1250 |
1250 |
91 |
4.18 |
46 |
3452.6 |
200 |
0.0231 |
|
1400 |
1400 |
91 |
4.43 |
48.7 |
3866.9 |
224 |
0.0207 |
|
1500 |
1500 |
91 |
4.58 |
50.4 |
4143.1 |
240 |
0.0193 |
AAC is made of pure aluminium and offers the highest conductivity with lower mechanical strength, suitable for short and medium-span distribution lines. AAAC uses aluminium alloy strands, providing higher tensile strength and better corrosion resistance. ACSR combines aluminium strands with a steel core, offering the highest mechanical strength for long-span transmission lines and areas with high mechanical loads.
AAC is mainly used in urban and industrial overhead distribution networks where spans are relatively short and high electrical conductivity is required.
AAC can be used for overhead transmission applications, but for long spans requiring higher mechanical strength, AAAC or ACSR is usually preferred.
AAC is manufactured from high-purity hard-drawn aluminium wires designed to provide good conductivity and mechanical strength.
Aluminium naturally forms an oxide layer on the surface, which provides protection against atmospheric corrosion during outdoor operation.
Common accessories include suspension clamps, tension clamps, connectors, and line hardware selected according to conductor size and installation conditions.
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