All Aluminum Conductor (AAC) Cables

Application

AAC conductor is also known as aluminium stranded conductor. It is manufactured from electrolytically refined aluminium, with a minimum purity of 99.7%.

Standard

Basic design to BS 215-1 / BS EN 50182 / IEC 61089 / ASTM B 231/B 231M / DIN 48201-5 standards

Construction

  All Aluminum Alloy Conductor (AAAC) Cables

Concentric lay stranded Aluminium Conductor ( AAC) is made up of one or more strands of hard drawn 1350 aluminum alloy. These conductors are used in low, medium and high voltage overhead lines.

AAC has seen extensive use in urban areas where spans are usually short but high conductivity us required. The excellent corrosion resistance of aluminium has made AAC a conductor of choice in coastal areas.

Because of its relatively poor strength to weight ratio, AAC had limited use in transmission lines and rural distribution because of long spans utilized.

All aluminium conductors are made up of one or more strands of aluminium wire dep.

Electrical Properties

Density@20oC 2.703 kg/dm
Temperature Coefficient@20°C 0.00403 (°C)
Resistivity@20°C 0.028264
Linear Expansivity 23 x10-6 (°C)

Service Conditions

Ambient Temperature -5°C - 50°C
Wind Pressure 80 – 130kg/m2
Seismic Acceleration 0.12 - 0.05g
Isokeraunic Level 10 – 18
Relative Humidity 5 – 100%

Construction Parameters

BS 215 Part 1

Code 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
Midge 22 23.33 7/2.06 6.18 64 3.99 1.227 106
Gnat 25 26.8 7/2.21 6.6 73.8 4.83 1.0643 122
Mosquito 35 37 7/2.59 7.8 102.1 6.27 0.7749 141
Ladybird 40 42.8 7/2.79 8.4 117.9 7.28 0.6678 157
Ant 50 52.83 7/3.1 9.3 145 8.28 0.5419 175
Fly 60 63.55 7/3.4 10.2 174 9.9 0.4505 196
Wasp 100 106 7/4.39 13.17 290 16 0.2702 268
Hornet 150 157.6 19/3.25 16.25 434 25.7 0.1825 342
Charfer 200 213.2 19/3.78 18.9 587 35.4 0.1349 412
Cockroach 250 265.7 19/4.22 21.1 731 40.4 0.1083 471
Butterfly 300 322.7 19/4.65 23.25 888 48.75 0.08916 530
Centipede 400 415.2 37/3.78 26.46 1145 63.1 0.06944 616
Maybug 475 486,1 37/4,09 28,6 1342 0.05571 0,05900 740
Skorpion 500 529,8 37/4,27 29,9 1460 0.04916 0,05400 887
Cicada 600 628,3 37/4,65 32,6 1733 0.03423 0,04500 1056

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.

BS EN 50182

Code 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
Gnat 25 26.9 7/2.21 6.63 73 4.83 1.0643 115
Mosquito 35 36.9 7/2.59 7.77 101 6.27 0.7749 140
Ladybird 40 42.8 7/2.79 8.37 117 7.28 0.6678 154
Bluebottle 70 73.6 7/3.66 10.98 201 11.78 0.388 215
Earwig 75 78.6 7/3.78 11.34 215 12.57 0.3638 223
Grasshopper 80 84.1 7/3.91 11.73 230 13.45 0.34 233
Clegg 90 95.6 7/4.17 12.51 261 15.3 0.2989 252
Beetle 100 106.4 19/2.67 13.35 292 18.08 0.2701 269
Bee 120 132 7/4.90 14.7 361 21.12 0.2165 307
Caterpillar 180 185.9 19/3.53 17.65 511 29.75 0.1546 379
Spider 220 237.6 19/3.99 19.95 653 38.01 0.121 440
Moth 350 373.1 19/5.00 25 1025 59.69 0.077 579
Drone 350 372.4 37/3.58 25.06 1027 59.59 0.0774 577
Maybug 450 486.1 37/4.09 28.63 1341 77.78 0.0593 677
Scorpion 500 529.8 37/4.27 29.89 1461 84.77 0.0544 713
Cicada 600 628.3 37/4.65 32.55 1733 100.54 0.0459 788

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.

IEC 61089

Code Nominal Area Stranding Overall Diameter Weight Rated Strength Electrical Resistance Current Rating*
mm^2 No.×mm mm kg/km KN Ω/Km A
10 10 7/1.35 4.05 27.4 1.95 2.8633 62
16 16 7/1.71 5.13 43.8 3.04 1.7896 84
25 25 7/2.13 6.39 68.4 4.5 1.1453 110
40 40 7/2.70 8.1 109.4 6.8 0.7158 147
63 63 7/3.39 10.17 172.3 10.39 0.4545 195
100 100 19/2.59 12.95 274.8 17 0.2877 259
125 125 19/2.89 14.45 343.6 21.25 0.2302 297
160 160 19/3.27 16.35 439.8 26.4 0.1798 345
200 200 19/3.66 18.3 549.7 32 0.1439 396
250 250 19/4.09 20.45 687.1 40 0.1151 454
315 315 37/3.29 23.03 867.9 51.97 0.0916 522
400 400 37/3.71 25.97 1102 64 0.0721 603
450 450 37/3.94 27.58 1239.8 72 0.0641 647
500 500 37/4.15 29.05 1377.6 80 0.0577 688
560 560 37/4.39 30.73 1542.9 89.6 0.0515 736
630 630 61/3.63 32.67 1738.3 100.8 0.0458 789
710 710 61/3.85 34.65 1959.1 113.6 0.0407 845
800 800 61/4.09 36.81 2207.4 128 0.0361 905
900 900 61/4.33 38.97 2483.3 144 0.0321 967
1000 1000 61/4.57 41.13 2759.2 160 0.0289 1026
1120* 1120 91/3.96 43.56 3093.5 179.2 0.0258 1091
1250* 1250 91/4.18 45.98 3452.6 200 0.0231 1157
1400* 1400 91/4.43 48.73 3866.9 224 0.0207 1226
1500* 1500 91/4.58 50.38 4143.1 240 0.0193 1270

* The items marked with “*” are not in our current product range and the details are for information only.

(*) 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.

ASTM B 231/B 231M

Code 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
Peachbell 6 13.3 7/1.56 4.68 36.6 2.53 2.1477 75
Rose 4 21.1 7/1.96 5.88 58.2 3.91 1.3606 99
Iris 2 33.6 7/2.47 7.41 92.6 5.99 0.8567 132
Pansy 1 42.4 7/2.78 8.34 116.6 7.3 0.6763 153
Poppy 1/0.0 53.5 7/3.12 9.36 147.2 8.84 0.5369 176
Aster 2/0.0 67.4 7/3.50 10.5 185.7 11.1 0.4267 203
Phlox 3/0.0 85 7/3.93 11.79 233.9 13.5 0.3384 234
Oxlip 4/0.0 107.2 7/4.42 13.26 295.2 17 0.2675 270
Valerian 250 126.7 19/2.91 14.55 348.6 20.7 0.2274 299
Sneezewort 250 126.7 7/4.80 14.4 348.8 20.1 0.2269 299
Laurel 266.8 135.2 19/3.01 15.05 372.2 22.1 0.2125 312
Daisy 266.8 135.2 7/4.96 14.88 372.3 21.4 0.2125 311
Peony 300 152 19/3.19 15.95 418.3 24.3 0.1892 335
Tulip 336.4 170.5 19/3.38 16.9 469.5 27.3 0.1686 359
Daffodil 350 177.3 19/3.45 17.25 487.9 28.4 0.1618 369
Canna 397.5 201.4 19/3.67 18.35 554.9 31.6 0.143 397
Goldentuft 450 228 19/3.91 19.55 627.6 35 0.126 429
Syringa 477 241.7 37/2.88 20.16 664.8 38.6 0.1192 444
Cosmos 477 241.7 19/4.02 20.1 664.8 37 0.1192 444
Hyacinth 500 253.3 37/2.95 20.65 696.8 40.5 0.1136 458
Zinnia 500 253.3 19/4.12 20.6 697.1 38.9 0.1134 458
Dahlia 556.5 282 19/4.35 21.75 775.8 43.3 0.1018 489
Mistletoe 556.5 282 37/3.12 21.84 775.7 44.3 0.1016 490
Meadowsweet 600 304 37/3.23 22.61 836.3 47.5 0.0948 511
Orchid 636 322.3 37/3.33 23.31 886.9 50.4 0.0892 530
Heuchera 650 329.4 37/3.37 23.59 907.4 51.7 0.0871 538
Flag 700 354.7 61/2.72 24.48 975.8 57.1 0.0811 561
Varbena 700 354.7 37/3.49 24.43 975.7 55.4 0.0812 561
Nasturtium 715.5 362.6 61/2.75 24.75 998.5 58.4 0.0793 569
Violet 715.5 362.6 37/3.53 24.71 998.5 56.7 0.0794 568
Cattail 750 380 61/2.82 25.38 1046 60.3 0.0754 587
Petunia 750 380 37/3.62 25.34 1046 58.6 0.0755 586
Lilac 795 402.8 61/2.90 26.1 1110 63.8 0.0713 607
Arbutus 795 402.8 37/3.72 26.04 1109 61.8 0.0715 605
Snapdragon 900 456 61/3.09 27.81 1256 70.8 0.0628 654
Cockscomb 900 456 37/3.96 27.72 1256 68.4 0.0631 652
Goldenrod 954 483.4 61/3.18 28.62 1331 75 0.0593 677
Magnolia 954 483.4 37/4.08 28.56 1331 72.6 0.0594 676
Camellia 1000 506.7 61/3.25 29.25 1394 78.3 0.0568 695
Hawkweed 1000 506.7 37/4.18 29.26 1395 76.2 0.0566 696
Larkspur 1033.5 523.7 61/3.31 29.79 1442 81.3 0.0547 710
Bluebell 1033.5 523.7 37/4.25 29.75 1441 78.8 0.0547 710
Marigold 1113 564 61/3.43 30.87 1553 87.3 0.051 740
Hawthorn 1192.5 604.2 61/3.55 31.95 1662 93.5 0.0476 771
Narsissus 1272 644.5 61/3.67 33.03 1774 98.1 0.0445 802
Columbine 1351 694.8 61/3.78 34.02 1884 104 0.042 829
Carnation 1431 725.1 61/3.89 35.01 1997 108 0.0396 858
Gladiolus 1510.5 765.4 61/4.00 36 2108 114 0.0375 885
Coreopsis 1590 805.7 61/4.10 36.9 2216 120 0.0357 911
Jassamine 1750 886.7 61/4.30 38.7 2442 132 0.0324 962
Cowslip* 2000 1013 91/3.77 41.47 2787 153 0.0286 1032
Sagebrush* 2250 1140 91/3.99 43.89 3166 167 0.0255 1099
Lupine* 2500 1267 91/4.21 46.31 3519 186 0.0229 1163
Bitterrot* 2750 1393 91/4.42 48.62 3872 205 0.0208 1223
Trillium* 3000 1520 127/3.90 50.7 4226 223 0.0193 1271
Bluebonnet* 3500 1773 127/4.22 54.86 4977 261 0.0165 1373

* The items marked with “*” are not in our current product range and the details are for information only.

(*) 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.

DIN 48201 Part 5

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 2.84 1.8022 83
25 24.25 7/2.10 6.3 66 4.17 1.181 108
35 34.36 7/2.50 7.5 94 5.78 0.8333 134
50 49.48 7/3.00 9 135 7.94 0.5787 168
50 48.35 19/1.80 9 133 8.45 0.5951 166
70 65.81 19/2.10 10.5 181 11.32 0.4372 200
95 93.27 19/2.50 12.5 256 15.68 0.3085 248
120 116.99 19/2.80 14 322 18.78 0.2459 285
150 147.11 37/2.25 15.8 406 25.3 0.196 328
185 181.62 37/2.50 17.5 500 30.54 0.1588 373
240 242.54 61/2.25 20.3 670 39.51 0.1191 445
300 299.43 61/2.50 22.5 827 47.7 0.0965 506
400 400.14 61/2.89 26 1104 60.86 0.0722 602
500 499.83 61/3.23 29.1 1379 74.67 0.0578 688
625* 626.2 91/2.96 32.6 1732 95.25 0.0462 786
800* 802.09 91/3.35 36.9 2218 118.39 0.036 907
1000* 999.71 91/3.74 41.1 2767 145.76 0.0289 1026

* The items marked with “*” are not in our current product range and the details are for information only.

(*) 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.

Technical Data

Numbers of Wires Final Modules of Elasticity Coeficient of linear Expansion
AL Kg/mm^2 lb/in^2 1/Co 1/Fo
7 6000 8.5 x106 23.0 x10-6 112.8 x10-6
19 5700 8.1 x106 23.0 x10-6 112.8 x10-6
37 5700 8.1 x106 23.0 x10-6 112.8 x10-6
61 5500 7.8 x106 23.0 x10-6 112.8 x10-6
91 5500 7.8 x106 23.0 x10-6 112.8 x10-6
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