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All Aluminum Alloy Conductor (AAAC) Cables

23 Dec.,2024

All Aluminum Alloy Conductor (AAAC) Cables

Application

AAAC is mainly used as bare overhead transmission cable and as primary and secondary distribution cable. It is also suitable for laying across basins, rivers and valleys where special geographical teatures exist.

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Standard

Basic design to BS / BS EN / IEC / ASTM B 399/B 399M / DIN -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.

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Electrical Properties

Density@20oC 2.70 kg/dm Temperature Coefficient@20°C 0. (°C) Resistivity@20°C 0. Ohms mm^2/m Linear Expansivity 23 x10-6(°C)

Service Conditions

Ambient Temperature -5°C - 50°C Wind Pressure 80 &#; 130kg/m^2 Seismic Acceleration 0.12 - 0.05g Isokeraunic Level 10 &#; 18 Relative Humidity 5 &#; 100%

Construction Parameters

BS

Code AL Nominal Area Cu Nominal Area Equivalent Total Area Stranding Overall Diameter Weight mm^2 mm^2 mm^2 No.×mm mm kg/km - - 6.45 11.7 7/1.47 4.41 32.2 Box - 9.68 18.8 7/1.85 5.55 51.7 Acacia - 12.9 21.9 7/2.08 6.24 66.1 Almond 25 16.1 30.1 7/2.34 7.02 82.9 Ceda 30 19.4 35.5 7/2.54 7.62 97.8 - 40 22.6 42.2 7/2.77 8.31 116.4 Fir 50 25.8 47.8 7/2.95 8.85 131.8 Hazel 100 32.3 59.9 7/3.30 9.9 165 Pine - 38.7 71.7 7/3.61 10.83 197.7 - - 45.2 84.1 7/3.91 11.73 231.6 Willow 150 48.4 89.8 7/4.04 12.12 247.5 - 175 51.6 96.5 7/4.19 12.57 266.2 - 300 58.1 108.8 7/4.45 13.35 299.8 Oak - 64.5 118.9 7/4.65 13.95 327.8 - - 80.6 118.8 19/2.82 14.1 327.6 Mulberry - 96.8 151.1 19/3.18 15.9 416.7 Ash - 113 180.7 19/3.48 17.4 498.1 Elm - 129 211 19/3.76 18.8 582.1 Poplar - 145 239 37/2.87 20.09 658.8 - - 161 270.8 37/3.05 21.35 746.7 Sycamore - 194 303 37/3.23 22.61 834.9 Upas - 226 362.1 37/3.53 24.71 998.6 - - 258 421.8 37/3.81 26.47 Yew - - 479.9 37/4.06 28.42

(*) Note: The values of current rating mentioned in above Table are based on wind velocity of 0.6 metre/second, solar heat radiation of watt/metre2, ambient temperature of 50° C & conductor temperature of 80°C.

BS EN

Code Stranding Nominal Area Overall Diameter Weight Rated Strength Electrical Resistance Current Rating* No.×mm mm^2 mm kg/km KN Ω/Km A Box 7/1.85 18.8 5.55 51.4 5.55 1.748 87 Acacia 7/2.08 23.8 6.24 64.9 7.02 1. 101 Almond 7/2.34 30.1 7.02 82.2 8.88 1. 116 Cedar 7/2.54 35.5 7.62 96.8 10.46 0. 129 Deodar 7/2.77 42.2 8.31 115.2 12.44 0. 143 Fir 7/2.95 47.8 8.85 130.6 14.11 0. 155 Hazel 7/3.30 59.9 9.9 163.4 17.66 0. 178 Pine 7/3.61 71.6 10.83 195.6 21.14 0. 199 Holly 7/3.91 84.1 11.73 229.5 24.79 0. 219 Willow 7/4.04 89.7 12.12 245 26.47 0. 228 Oak 7/4.65 118.9 13.95 324.5 35.07 0. 272 Mulberry 19/3.18 150.9 15.9 414.3 44.52 0. 314 Ash 19/3.48 180.7 17.4 496.1 53.31 0.183 351 Elm 19/3.76 211 18.8 579.2 62.24 0. 386 Poplar 37/2.87 239.4 20.09 659.4 70.61 0. 416 Sycamore 37/3.23 303.2 22.61 835.2 89.4 0. 480 Upas 37/3.53 362.1 24.71 997.5 106.82 0. 535 Yew 37/4.06 479 28.42 .6 141.31 0. 633 Totara 37/4.14 498.1 28.98 .1 146.93 0. 648 Rubus 61/3.50 586.9 31.5 173.13 0. 714 Sorbus 61/3.71 659.4 33.39 .5 194.53 0. 764 Araucaria 61/4.14 821.1 37.26 .4 242.24 0. 868 Redwood 61/4.56 996.2 41.04 .2 293.88 0. 970

Note: *The values of current rating mentioned in above Table are based on wind velocity of 0.6 metre/second, solar heat radiation of watt/metre2, ambient temperature of 50° C & conductor temperature of 80°C.

IEC

Code Nominal Area Stranding Overall Diameter Weight Rated Strength Electrical Resistance Current Rating* mm^2 No.×mm mm kg/km KN Ω/Km A 16 18.4 18.4 5.49 50.4 5.43 1. 86 25 28.8 28.8 6.87 78.7 8.49 1. 113 40 46 46 8.67 125.9 13.58 0. 151 63 72.5 72.5 10.89 198.3 21.39 0. 200 100 115 115 13.9 316.3 33.95 0. 266 125 144 144 15.5 395.4 42.44 0. 305 160 184 184 17.55 506.1 54.32 0. 355 200 230 230 19.65 632.7 67.91 0. 407 250 288 288 21.95 790.8 84.88 0. 466 315 363 363 24.71 998.9 106.95 0. 535 400 460 460 27.86 .4 135.81 0. 618 450 518 518 29.54 .9 152.79 0. 663 500 575 575 31.15 .5 169.76 0. 706 560 645 645 33.03 .4 190.14 0. 755 630 725 725 35.01 .7 213.9 0. 809 710 817 817 37.17 .8 241.07 0. 866 800 921 921 39.42 .6 271.62 0. 928 900* 41.91 .1 305.58 0. 992 * 44.11 339.53 0. * 46.75 .5 380.27 0. * 49.39 .7 424.41 0.

ASTM B 399/B 399M

Nominal Area Stranding Overall Diameter Weight Rated Strength Electrical Resistance Current Rating* AWG&MCM mm^2 No.×mm mm kg/km KN Ω/Km A 6 13.2 7/1.55 4.65 36.2 4.18 2. 69 4 21.1 7/1.96 5.88 57.9 6.69 1.586 93 2 33.5 7/2.47 7.41 92 10.6 0. 123 0 53.5 7/3.12 9.36 146.8 17 0. 165 2/0 67.3 7/3.50 10.5 184.8 20.4 0. 190 3/0 84.9 7/3.93 11.79 233 25.7 0. 219 4/0 107 7/4.42 13.26 294.7 32.5 0. 253 250 126 19/2.91 14.55 346.7 38.8 0. 280 300 152 19/3.19 15.95 416.7 46.6 0. 313 350 178 19/3.45 17.25 487.3 52 0. 345 400 203 19/3.69 18.45 557.5 59.5 0. 375 450 228 19/3.91 19.55 626 66.8 0. 402 500 253 19/4.12 20.6 695 74.2 0. 429 550 279 37/3.10 21.7 766.2 83.9 0. 455 600 303 37/3.23 22.61 831.9 91 0. 478 650 330 37/3.37 23.59 905.5 94.9 0. 504 700 354 37/3.49 24.43 971.2 101 0. 525 750 381 37/3.62 25.34 109 0. 549 800 404 37/3.73 26.11 116 0. 569 900 456 37/3.96 27.72 131 0. 612 508 37/4.18 29.26 146 0. 653 631 61/3.63 32.67 179 0. 743 759 61/3.98 35.82 215 0. 827 886 61/4.30 38.7 251 0. 904

DIN Part 6

Nominal Area Stranding Overall Diameter Weight Rated Strength Electrical Resistance Current Rating* Nominal Teorical mm^2 mm^2 No.×mm mm kg/km KN Ω/Km A 16 15.89 7/1.70 5.1 43 4.44 2. 78 25 24.25 7/2.10 6.3 66 6.77 1. 102 35 34.36 7/2.50 7.5 94 9.6 0. 126 50 49.48 7/3.00 9 135 13.82 0.666 158 50 48.35 19/1.80 9 133 13.5 0. 156 70 65.81 19/2.10 10.5 181 18.38 0. 189 95 93.27 19/2.50 12.5 256 26.05 0. 234 120 116.99 19/2.80 14 322 32.68 0. 269 150 147.11 37/2.25 15.8 406 41.09 0. 309 185 181.62 37/2.50 17.5 500 50.73 0. 352 240 242.54 61/2.25 20.3 670 67.74 0. 420 300 299.43 61/2.50 22.5 827 83.63 0.111 477 400 400.14 61/2.89 26 111.76 0. 568 500 499.83 61/3.23 29.1 139.6 0. 649 625* 626.2 91/2.96 32.6 174.9 0. 742 800* 802.09 91/3.35 36.9 224.02 0. 857 * 999.71 91/3.74 41.1 279.22 0. 971

* The items marked with &#;*&#; are not in our current product range and the details are for information only.

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Technical Data

Code AL Nominal Area Maximum Resistance DC at 20o Current Rating Temperate Tropical mm^2 Ω / km Ω / ft Amp Amp - - 2.87 0.873 90 73 Box - 1.79 0.544 121 98 Acacia - 1.4 0.426 140 114 Almond 25 1.11 0.339 162 131 Ceda 30 0.944 0.288 180 145 - 40 0.794 0.242 200 162 Fir 50 0.7 0.213 217 175 Hazel 100 0.559 0.17 250 201 Pine - 0.467 0.142 279 224 - - 0.398 0.121 309 247 Willow 150 0.373 0.114 322 258 - 175 0.347 0.106 337 270 - 300 0.308 0. 343 290 Oak - 0.282 0. 384 307 - - 0.282 0.086 385 307 Mulberry - 0.222 0. 448 356 Ash - 0.185 0. 501 398 Elm - 0.159 0.048 553 438 Poplar - 0.14 0. 598 473 - - 0.124 0. 647 511 Sycamore - 0.111 0. 694 547 Upas - 0. 0. 776 610 - - 0. 0. 854 669 Yew - 0. 0. 925 723

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