AAAC Conductor
Used as bare overhead conductor for primary and secondary distribution. Designed for utilizing a high-strength aluminum-alloy to achieve a high strength-to-weight ratio; affords good sag characteristics.
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All Aluminum Alloy Conductor:
Huadong Group is professional Overhead line bare conductor manufacturer, the Aluminum bare conductor including: AAC/ AAAC/ACSR/ACS/GSW and insulation overhead ABC Cable. and can custom the size according to your requirement.
AAAC Conductor Feature:
AAAC has good corrosion resistance, however due to the absence of steel, its resistance is lower than ACSR. AAAC can carry 15-20% extra current and has a higher life span (60 years) as compared to ACSR of equal size (30 years). The surface hardness of AAAC is 80 BHN while ACSR has hardness 35 BHN. This reduces damage to the surface during handling, thereby leading to lesser corona losses and Ratio interference at EHV. AAAC can be operated with stable temperature of 85°C against ACSR conductors which are stable up to 75°C. Since AAAC has higher strength-to-weight ratio, span can be increased by 2-15% resulting in overall reduction of cost in tower supports and other accessories in the transmission line system.
AAAC Conductor Application:
- Used as bare overhead conductor for primary and secondary distribution. Designed for utilizing a high-strength aluminum-alloy to achieve a high strength-to-weight ratio; affords good sag characteristics.
- (1)AAAC conductors are extensively used for overhead distribution and transmission lines adjacent to ocean coastlines where there can be a problem of corrosion in the steel of an ACSR construction.
- (2)The aluminum alloy conductors are used in replace of single-layer ACSR conductors to reduce power loss in overhead distribution and transmission lines,when replacing the aluminum conductor steel reinforced , the AAAC can save 5-8% of the construction cost.
- (3)AAAC referred to have higher strength but lower conductivity than pure aluminum. Being lighter, alloy conductors can sometimes be used to replace the conventional ACSR.
IEC Standard AAAC Condcutor Parameter Date
Code number | Area | Number of wires | Diameter | Linear mass | Rated strength | D.C resistance | |
mm2 | Wire(mm) | Cond(mm) | kg/km | kN | Ohm/km | ||
16 | 18.6 | 7 | 1.84 | 5.52 | 50.8 | 6.04 | 1.7896 |
25 | 29 | 7 | 2.3 | 6.9 | 79.5 | 9.44 | 1.1453 |
40 | 46.5 | 7 | 2.91 | 8.72 | 127.1 | 15.1 | 0.7158 |
63 | 73.2 | 7 | 3.65 | 10.9 | 200.2 | 23.06 | 0.4545 |
100 | 116 | 19 | 2.79 | 14 | 319.3 | 37.76 | 0.2877 |
125 | 145 | 19 | 3.12 | 15.6 | 399.2 | 47.2 | 0.2302 |
160 | 186 | 19 | 3.53 | 17.6 | 511 | 58.56 | 0.1798 |
200 | 232 | 19 | 3.95 | 19.7 | 638.7 | 73.2 | 0.1439 |
250 | 290 | 19 | 4.41 | 22.1 | 798.4 | 91.5 | 0.1151 |
315 | 366 | 37 | 3.55 | 24.8 | 1008.4 | 115.29 | 0.0916 |
400 | 465 | 37 | 4 | 28 | 1280.5 | 146.4 | 0.0721 |
450 | 523 | 37 | 4.24 | 29.7 | 1440.5 | 164.7 | 0.0641 |
500 | 581 | 37 | 4.47 | 31.3 | 1600.6 | 183 | 0.0577 |
560 | 651 | 61 | 3.69 | 33.2 | 1795.3 | 204.96 | 0.0516 |
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