Tablas De Conductores Acsr
Resistance
Ac, 60 Hz
Reactance per conductor 1-ft
spacing, 60 Hz
Aluminum area,
Stranding
Layers of
Outside diameter,
Dc, 20°C,
20°C, Ω/mi
50°C, Ω/mi
GMR Ds ft
Inductive Xa,
Capacitive X'a,
Waxwing
cmil
266,800
Al/St
18/1
aluminum
2
in
0.609
Ω/1,000ft
0.06460.3488
0.3831
0.0198
Ω/mi
0.476
MΩ.mi
0.1090
Partridge
Ostrich
Merlin
266,800
300,000
336,400
26/7
26/7
18/1
2
2
2
0.642
0.680
0.684
0.0640
0.0569
0.0512
0.3452
0.3070
0.2767
0.3792
0.3372
0.3037
0.0217
0.0229
0.0222
0.465
0.458
0.462
0.1074
0.1057
0.1055
Linnet
Oriole
336,400
336,400
26/7
30/7
2
2
0.721
0.7410.0507
0.0504
0.2737
0.2719
0.3006
0.2987
0.0243
0.0255
0.451
0.445
0.1040
0.1032
Chickadee
Ibis
397,500
397,500
18/1
26/7
2
2
0.743
0.783
0.0433
0.0430
0.2342
0.2323
0.2572
0.2551
0.0241
0.0264
0.452
0.441
0.1031
0.1015
Pelican
Flicker
477,000
477,000
18/1
24/7
2
2
0.814
0.846
0.0361
0.0359
0.19570.1943
0.2148
0.2134
0.0264
0.0284
0.441
0.432
0.1004
0.0992
Hawk
477,000
26/7
2
0.858
0.0357
0.1931
0.2120
0.0289
0.430
0.0988
Hen
Osprey
Parakeet
477,000
556,500
556,500
30/7
18/1
24/7
2
2
2
0.883
0.879
0.914
0.0355
0.0309
0.0308
0.1919
0.1679
0.1669
0.2107
0.1843
0.1832
0.0304
0.0284
0.0306
0.424
0.4320.423
0.0980
0.0981
0.0969
Dove
556,500
26/7
2
0.927
0.0307
0.1663
0.1826
0.0314
0.420
0.0965
Rook
Grosbeak
636,000
636,000
24/7
26/7
2
2
0.977
0.990
0.0269
0.0268
0.1461
0.1454
0.1603
0.1596
0.0327
0.0335
0.415
0.412
0.0950
0.0946
Drake
795,000
26/7
2
1.108
0.0215
0.1172
0.1284
0.03730.399
0.0912
Tern
Rail
795,000
954,000
45/7
45/7
3
3
1.063
1.165
0.0217
0.0181
0.1188
0.0997
0.1302
0.1092
0.0352
0.0386
0.406
0.395
0.0925
0.0897
Cardinal
Ortolan
954,000
1,033,500
54/7
45/7
3
3
1.196
1.213
0.0180
0.0167
0.0988
0.0924
0.1082
0.1011
0.0402
0.0402
0.390
0.390
0.0800
0.0885
Bluejay
FinchBittern
1,113,000
1,113,000
1,272,000
45/7
54/19
45/7
3
3
3
1.259
1.293
1.345
0.0155
0.0155
0.0136
0.0861
0.0856
0.0762
0.0941
0.0937
0.0832
0.0415
0.0436
0.0444
0.386
0.380
0.378
0.0874
0.0866
0.0855
Pheasant
Bobolink
1,272,000
1,431,000
54/19
45/7
3
3
1.382
1.427
0.0135
0.0121
0.0751
0.0684
0.0821
0.0746
0.04660.0470
0.372
0.371
0.0847
0.0837
Plover
Lapwing
1,431,000
1,590,000
54/19
45/7
3
3
1.465
1.502
0.0120
0.0109
0.0673
0.0623
0.0735
0.0678
0.0494
0.0498
0.365
0.364
0.0829
0.0822
Falcon
1,590,000
54/19
3
1.545
0.0108
0.0612
0.0667
0.0523
0.358
0.0814
Bluebird
2,156,000
84/19
4
1.762
0.00800.0476
0.0515
0.0586
0.344
0.0776
Code word
* Most used multilayer sizes.
** Data, by permission, from Aluminum Association, Aluminum Electrical Conductor Handbook , 2nd ed., Washington, D.C., 1982.
TABLE A.4 Inductive reactance spacing factor X d at 60 Hz* (ohms per mile per conductor)
Feet
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I5
16
17
18
19
20
21
2223
0
......
0.0000
0.0841
0.1333
0.1682
0.1953
0.2174
0.2361
0.2523
0.2666
0.2794
0.2910
0.3015
0.3112
0.3202
0.3286
0.3364
0.3438
0.3507
0.3573
0.3635
0.3694
0.3751
0.3805
24
0.3856
25
0.3906
26
27
0.3953
0.3999
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
0.4043
0.4086
0.4127
0.4167
0.4205
0.4243...
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