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AAAC120mm2(19/2.8mm) overhead bare aluminum alloy conductor BS50182
AAAC120mm2(19/2.8mm) overhead bare aluminum alloy conductor BS50182
are made of high strength Aluminium-Magnesium-Silicon alloy
6201-T81. They are designed for transmission and distribution
lines, on aerial circuits that require a larger mechanical
resistance than AAC, and a better corrosion resistance than ACSR.
The sag characteristics and the strength-to-weight ratio of AAAC is
better than both
AAC / ACSR.
STANDARD
Basic design to BS 3242 / BS EN 50182 / IEC 61089 / ASTM B 399/B 399M / DIN 48201 -6 standards.
CONSTRUCTION
AAAC cable bvconsists of aluminum alloy wires. The aluminum alloy wires are concentrically stranded.
This section deals with heat-treatable magnesium silicon type aluminium alloys to the applicable International Standard, the electrical and mechanical properties of which all fall within the values suggested by relevant standard. Conductors to all other recognized specifications can also be supplied. The alloys referred to have higher strength but lower conductivity than pure aluminium. Being lighter, alloy conductors can sometimes be used to advantage in place of the more conventional ACSR; Having lower breaking loads than the later, their use becomes particularly favourable when ice and wind loadings are low.
(*) Note: The values of current rating mentioned in above Table are based on wind velocity of 0.6 metre/second, solar heat radiation of 1200 watt/metre2, ambient temperature of 50° C & conductor temperature of 80°C.
ELECTRICAL PROPERTIES
| density@20ºC | 2.70 kg/dm |
| Temperature Coefficient@20°C | 0.00360 (°C) |
| resistivity@20°C | 0.0326 Ohms mm2/m |
| linear Expansivity | 23 x10-6 (°C) |
SERVICE CONDITIONS
| Ambient Temperature | -5°C - 50°C |
| Wind Pressure | 80 – 130kg/m |
| Seismic Acceleration | 0.12 - 0.05g |
| Isokeraunic level | 10 – 18 |
| relative Humidity | 5 – 100% |
AAAC120mm2(19/2.8mm) overhead bare aluminum alloy conductor BS50182 CONSTRUCTION PARAMETERS
| Code | Nominal Area | Stranding | Overall Diameter | Weight | Rated Strength | Electrical Resistance |
| mm2 | No.x mm | mm | Kg/Km | KN | Ω/Km | |
| 120 | 117 | 19/2.80 | 14.0 | 322 | 32.68 | 0.2852 |
AAAC120mm2(19/2.8mm) overhead bare aluminum alloy conductor BS50182 images
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