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    Bare Overhead Conductor

    All Aluminum Conductor (AAC Conductor)

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    OVERVIEW

    All Aluminium Conductors (AAC) This conductor is also known as aluminium stranded conductor. This conductor is manufactured from electrolytically refined (E.C.GRADE) aluminium, having purity of minimum 99.5% of aluminium. All aluminium conductors are made up of one or more strands of aluminium wire depending on the end usage.

    STANDARD

    ASTM B230,B231,B400; BS215, BS2627, BS50182; CSA C49; DIN48201; IEC61089

    Construction

    Aluminum 1350 wires are concentrically stranded and wrapped helically around a central wire. Each successive layer has six wires more than the previous underlying layer. Outer layer is right hand lay and reversed in successive layers.

    Application

    The conductors are suitable for use in spans on wood poles, transmission towers,and other structures where tensile strength and temperature ratings are not required. Application range from extra high voltage(EHV) transmission lines to sub-service spans at distribution or utilization voltages on private premises. AAC(All aluminum conductor) is the most economical bare overhead conductor due to its lighter weight. It offers easier handing during installation and use of simpler fittings. The conductor is corrosion resistant due to its homogeneous construction.

    Technical Parameter

    ASTM Standard
    BS Standard
    CSA C Standard
    DIN Standard
    IEC Standard
    Code word Size of
    Conductor    		 Stranding and Wire Diameter Overall Diameter Max.D.C. Resistance at 20°C Code word Size of Conductor Stranding and Wire Diameter Overall Diameter Max.D.C. Resistance at 20°C
    AWG or MCM No./mm mm ohm/km AWG or MCM Mm mm ohm/km
    Peachbell 6 7/1.554 4.67 2.1692 Verbena 700 37/3.493 24.45 0.0813
    Rose 4 7/1.961 5.89 1.3624 Nasturtium 715.5 61/2.75 24.76 0.0795
    Iris 2 7/2.474 7.42 0.8577 Violet 715.5 37/3.533 24.74 0.0795
    Pansy 1 7/2.776 8.33 0.6801 Cattail 750 61/2.817 25.35 0.0759
    Poppy 1/0 7/3.119 9.36 0.5390 Petunia 750 37/3.617 25.32 0.0759
    Aster 2/0 7/3.503 10.51 0.4276 Lilac 795 61/2.90 26.11 0.0715
    Phlox 3/0 7/3.932 11.80 0.3390 Arbutus 795 37/3.724 26.06 0.0715
    Oxlip 4/0 7/4.417 13.26 0.2688 Snapdragon 900 61/3.086 27.78 0.0632
    Valerian 250 19/2.913 14.57 0.2275 Cockscomb 900 37/3.962 27.73 0.0632
    Sneezewort 250 7/4.80 14.4 0.2275 Goldenrod 954 61/3.177 28.6 0.0596
    Laurel 266.8 19/3.01 15.05 0.2133 Magnolia 954 37/4.079 28.55 0.0596
    Daisy 266.8 7/4.96 14.9 0.2133 Camellia 1000 61/3.251 29.36 0.0569
    Peony 300 19/3.193 15.97 0.1896 Hawkweed 1000 37/4.176 29.23 0.0569
    Tulip 336.4 19/3.381 16.91 0.1691 Larkspur 1033.5 61/3.307 29.76 0.0550
    Daffodil 350 19/3.447 17.24 0.1625 Bluebell 1033.5 37/4.244 29.72 0.0550
    Canna 397.5 19/3.673 18.36 0.1431 Marigold 1113 61/3.432 30.89 0.0511
    Goldentuft 450 19/3.909 19.55 0.1264 Hawthorn 1192.5 61/3.551 31.05 0.0477
    Syringa 477 37/2.882 20.19 0.1193 Narcissus 1272 61/3.668 33.02 0.0477
    Cosmos 477 19/4.023 20.12 0.1193 Columbine 1351.5 61/3.78 34.01 0.0421
    Hyacinth 500 37/2.951 20.65 0.1138 Carnation 1431 61/3.89 35.03 0.0398
    Zinnia 500 19/4.12 20.6 0.1138 Gladiolus 1510.5 61/4.00 35.09 0.0376
    Dahlia 556.5 19/4.346 21.73 0.1022 Coreopsis 1590 61/4.099 36.51 0.0358
    Mistletoe 556.5 37/3.114 21.79 0.1022 Jessamine 1750 61/4.302 38.72 0.0325
    Meadowsweet 600 37/3.233 22.63 0.0948 Cowslip 2000 91/3.76 41.40 0.0285
    Orchid 636 37/3.33 23.31 0.0894 Lupine 2500 91/4.21 46.30 0.0230
    Heuchera 650 37/3.366 23.56 0.0875 Trillium 3000 127/3.90 50.75 0.0192
    Flag 700 61/2.72 24.48 0.0813 Bluebonnet 3500 127/4.21 54.80 0.0166
    Code Name Nominal Cross Section No./Dia.of Stranding Wires Overall Diameter Approx. Weight Max.D.C Resistance of Conductor at 20℃ Calculated Breaking Load Final Modulus of Elasticity Coefficient of Linear Expansion
    mm2 No./mm mm kg/km ohm/km daN hbar /℃
    Midge 22 7/2.06 6.18 64 1.227 399 5900 23 x 10-6
    Aphis 25 3/3.35 7.2 73 1.081 411 5900 23 x 10-6
    Gnat 25 7/2.21 6.6 73 1.066 459 5900 23 x 10-6
    Weevil 30 3/3.66 7.9 86 0.9082 486 5900 23 x 10-6
    Mosquito 35 7/2.59 7.8 101 0.7762 603 5900 23 x 10-6
    Ladybird 40 7/2.79 8.4 117 0.6689 687 5900 23 x 10-6
    Ant 50 7/3.10 9.3 145 0.5419 828 5900 23 x 10-6
    Fly 60 7/3.40 10.2 174 0.4505 990 5900 23 x 10-6
    Bluebottle 70 7/3.66 11 202 0.3881 1134 5900 23 x 10-6
    Earwing 75 7/3.78 11.4 215 0.3644 1194 5900 23 x 10-6
    Grasshopper 80 7/3.91 11.7 230 0.3406 1278 5900 23 x 10-6
    Clegg 90 7/4.17 12.5 262 0.2994 1453 5900 23 x 10-6
    Wasp 100 7/4.39 13.17 290 0.2702 1600 5900 23 x 10-6
    Beetle 100 19/2.67 13.4 293 0.2704 1742 5600 23 x 10-6
    Bee 125 7/4.90 14.7 361 0.2169 1944 5900 23 x 10-6
    Cricket 150 7/5.36 16.1 432 0.1818 2385 5900 23 x 10-6
    Hornet 150 19/3.25 16.25 434 0.1825 2570 5600 23 x 10-6
    Caterpillar 175 19/3.53 17.7 512 0.1547 2863 5600 23 x 10-6
    Chafer 200 19/3.78 18.9 587 0.1349 3240 5600 23 x 10-6
    Spider 225 19/3.99 20.0 652 0.1211 3601 5600 23 x 10-6
    Cockroach 250 19/4.22 21.1 731 0.1083 4040 5600 23 x 10-6
    Butterfly 300 19/4.65 23.25 888 0.08916 4875 5600 23 x 10-6
    Moth 350 19/5.00 25 1027 0.07711 5637 5600 23 x 10-6
    Drone 350 37/3.58 25.1 1029 0.07741 5745 5600 23 x 10-6
    Locust 400 19/5.36 26.8 1179 0.06710 6473 5600 23 x 10-6
    Centipede 400 37/3.78 26.46 1145 0.06944 6310 5600 23 x 10-6
    Maybug 450 37/4.09 28.6 1342 0.05931 7401 5600 23 x 10-6
    Scorpion 500 37/4.27 29.9 1460 0.05441 7998 5600 23 x 10-6
    Cicada 600 37/4.65 32.6 1733 0.04588 9495 5600 23 x 10-6
    Tarantula 750 37/5.23 36.6 2191 0.03627 12010 5600 23 x 10-6
    Code Name KCMIL or AWG Cross Section of Aluminum Size Total Mass Rated Tensile Strength Max.D.C. Resistance at 20℃
    No.of Wires Dia.of Wires Dia.of Conductor
    　 　 mm² 　- mm  mm kg/km kN Ω/km
    Anemone 874.5 443.12 37 3.90 27.30 1223 72.9 0.06509
    Cockscomb 900 456.04 37 3.96 27.72 1259 75.2 0.06324
    　 927.2 469.82 37 4.02 28.14 1297 77.5 0.06139
    Magnolia 954 483.40 37 4.08 28.56 1334 79.8 0.05966
    Hawkweed 1000 506.71 37 4.18 29.26 1399 83.8 0.05692
    Bluebell 1033.5 523.68 37 4.25 29.75 1445 86.6 0.05507
    　 1100 557.38 61 3.41 30.69 1541 94.7 0.05182
    Marigold 1113 563.97 61 3.43 30.87 1559 95.8 0.05121
    Hawthorn 1192.5 604.25 61 3.55 31.95 1670 103 0.04780
    　 1200 608.05 61 3.56 32.04 1681 103 0.04750
    Narcissus 1272 644.54 61 3.67 33.03 1782 110 0.04481
    　 1300 658.72 61 3.71 33.39 1821 112 0.04385
    Columbine 1351.5 684.82 61 3.78 34.02 1893 113 0.04218
    　 1400 709.39 61 3.85 34.65 1961 117 0.04072
    Carnation 1431 725.10 61 3.89 35.01 2004 120 0.03983
    　 1500 760.07 61 3.98 35.82 2101 125 0.03800
    Gladiolus 1510.5 762.72 61 3.99 35.91 2110 123 0.03790
    Coreopsis 1590 805.67 61 4.10 36.90 2227 133 0.03585
    　 1600 810.74 61 4.11 36.99 2241 134 0.03563
    　 1700 861.41 61 4.24 38.16 2381 142 0.03353
    　 1800 912.08 91 3.57 39.27 2524 155 0.03170
    Cowslip 2000 1013.42 91 3.77 41.47 2804 168 0.02853
    Sagebrush 2250 1140.10 91 3.99 43.89 3155 188 0.02536
    　 2435.6 1234.14 91 4.16 45.76 3415 204 0.02343
    Lupine 2500 1266.78 91 4.21 46.31 3505 209 0.02283
    Bitterroo 2750 1393.45 91 4.42 48.62 3856 230 0.02075
    　 3000 1520.13 91 4.61 50.71 4207 251 0.01902
    　 3007.7 1524.03 91 4.62 50.82 4217  252 0.01897
    　 3500 1773.49 91 4.98 54.78 4908 292 0.01630
    　 3640 1844.42 91 5.08 55.88 5104 304 0.01568
    Code Number Calculated Cross Section No./Dia.of Stranding Wire Overall Diameter Linear Mass Calculated Breaking Load Max.D.C. Resistance at 20℃
    mm² mm² mm mm kg/km daN Ω/km
    16 15.89 7/1.70 5.1 44 290 1.8018
    25 24.25 7/2.10 6.3 67 425 1.1808
    35 34.36 7/2.50 7.5 94 585 0.8332
    50 49.48 7/3.00 9.0 135 810 0.5786
    50 48.36 19/1.80 9.0 133 860 0.5950
    70 65.82 19/2.10 10.5 181 1150 0.4371
    95 93.27 19/2.50 12.5 256 1595 0.3084
    120 117.00 19/2.80 14.0 322 1910 0.2459
    150 147.10 37/2.25 15.2 406 2570 0.1960
    185 181.60 37/2.50 17.5 501 3105 0.1587
    240 242.54 61/2.25 20.2 670 4015 0.1191
    300 299.43 61/2.50 22.5 827 4850 0.0965
    400 400.14 61/2.89 26.0 1105 6190 0.0722
    500 499.83 61/3.23 29.1 1381 7600 0.0578
    625 626.20 91/2.96 32.6 1733 9690  0.04625
    800 802.10 91/3.35 36.8 2219 12055 0.0361
    1000 999.71 91/3.74 41.1 2766 14845 0.0290
    Cross Section Number of Stranding Wires Diameter Linear Mass Rated Strength Max.D.C. Resistance at 20℃
    Wires Conductor
    mm2　 - mm  mm kg/km  kN Ω/km
     10 7 1.35 4.05  27.4 1.95 2.8633
     16 7 1.71 5.12  43.8 3.04 1.7896
     25 7 2.13 6.40  68.4 4.50 1.1453
     40 7 2.70 8.09 109.4 6.80 0.7158
     63 7 3.39 10.2 172.3 10.39 0.4545
    100 19 2.59 12.9 274.8 17.00 0.2877
    125 19 2.89 14.5 343.6  21.25 0.2302
    160 19 3.27 16.4 439.8  26.40 0.1798
    200 19 3.66 18.3 549.7  32.00 0.1439
    250 19 4.09 20.5 687.1  40.00 0.1151
    315 37 3.29 23.0 867.9  51.97 0.0916
    400 37 3.71 26.0 1102.0  64.00 0.0721
    450 37 3.94 27.5 1239.8  72.00 0.0641
    500 37 4.15 29.0 1377.6  80.00 0.0577
    560 37 4.39 30.7 1542.9  89.60 0.0515
    630 61 3.63 32.6 1738.3  100.08 0.0458
    710 61 3.85 34.6 1959.1 113.60 0.0407
    800 61 4.09 36.8 2207.4 128.00 0.0361
    900 61 4.33 39.0 2483.3 144.00 0.0321
    1000 61 4.57  41.1 2759.2 160.00 0.0289
    1120 91 3.96 43.5 3093.5 179.20 0.0258
    1250 91 4.18 46.0 3452.6 200.00 0.0231
    1400 91 4.43 48.7 3866.9 224.00 0.0207
    1500 91 4.58 50.4 4143.1 240.00 0.0193

     

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