铝包钢线是一种将铝连续均匀包覆在钢芯上的双金属线,它兼有导电性能好,耐腐蚀,高频传输性能好以及钢的强度高等优点。铝包钢芯铝绞线是将铝包钢线作加强芯和铝线绞合在一起的绞线,与普通钢芯铝绞线相比,导体重量轻5%,载流量提高2-3%;电力损耗减少4-6%;
使用寿命长,而且不增加任何架设费用。它广泛适用于输电线路用导线,尤其是沿海地区,盐碱滩和三、四级污染工业区的输电线路和要求增大铝钢截面比的输配电线路用导线。
铝包钢绞线按导电率分为:20AC、23AC、27AC、30AC、33AC、40AC六个组别,其相应的导电率为20.3%、23%、27%、30%、33%和40%IACS.
铝包钢绞线的代号为:LBGJ
产品执行标准(Production Executive Standard):GB/T 1179-2008 IEC610898-1991
YB/T 124-1997
铝包钢绞线ACS Conductor JLB1A、JLB1B
Concentric-Lay-Stranded Aluminum-Clad Steel
Conductors
GB/T 1179-2008 IEC610898-1991
标称截面钢
Nominal Section Steel
|
规格号
Size
|
面积Area
mm2
|
单线根数
Single
Line Nos
|
直径/mm
Diameter
|
单位长度质量Weight(kg/km)
|
额定拉断力/kN
Rated Breaking force
|
直流电阻
DC Resistance
(20℃)
Ω/km
|
单线
Single
Line
|
绞线
Strand
|
JLB1A
|
JLB1B
|
JLB1A
|
JLB1B
|
15
|
4
|
12
|
7
|
1.48
|
4.43
|
80.1
|
79.4
|
16.08
|
15.84
|
7.1592
|
20
|
6.3
|
18.9
|
7
|
1.85
|
5.56
|
126.1
|
125.0
|
25.33
|
24.95
|
4.5455
|
30
|
10
|
30
|
7
|
2.34
|
7.01
|
200.3
|
198.5
|
40.20
|
39.60
|
2.8637
|
35
|
12.5
|
37.5
|
7
|
2.61
|
7.84
|
250.4
|
248.1
|
50.25
|
49.50
|
2.2910
|
50
|
16
|
48
|
7
|
2.95
|
8.86
|
320.5
|
248.1
|
64.32
|
63.36
|
1.7898
|
75
|
25
|
75
|
7
|
3.69
|
11.08
|
500.7
|
317.5
|
93.75
|
99.00
|
1.1455
|
120
|
40
|
120
|
7
|
4.67
|
14.02
|
801.2
|
496.2
|
132.00
|
158.40
|
0.7159
|
120
|
40
|
120
|
19
|
2.84
|
14.18
|
805.0
|
793.9
|
160.80
|
158.40
|
0.7194
|
200
|
63
|
189
|
19
|
3.56
|
17.79
|
1267.9
|
1256.4
|
240.03
|
249.48
|
0.4568
|
300
|
100
|
300
|
37
|
3.21
|
22.49
|
2017.3
|
1999.0
|
402.00
|
396.00
|
0.2884
|
350
|
125
|
375
|
37
|
3.59
|
15.15
|
2521.7
|
2498.3
|
476.25
|
495.00
|
0.2307
|
450
|
160
|
480
|
37
|
4.06
|
28.45
|
3227.7
|
3198.3
|
580.80
|
633.00
|
0.1803
|
600
|
200
|
600
|
37
|
4.54
|
31.81
|
4034.7
|
3997.9
|
684.00
|
792.00
|
0.1442
|
600
|
200
|
600
|
61
|
3.54
|
31.85
|
4040.6
|
4003.8
|
762.00
|
792.00
|
0.1444
|
铝包钢绞线JLB2
Concentric-Lay-Stranded Aluminum-Clad Steel
Conductors
GB/T 1179-2008 IEC610898-1991
标称截面钢
|
规格号
|
面积/mm2
|
单线根数n
|
直径/mm
|
单位长度质量(kg/km)
|
额定抗拉力
kN
|
直流电阻(20℃)
Ω/km
|
单线
|
绞线
|
35
|
16
|
36.2
|
7
|
2.56
|
7.69
|
216.4
|
39.04
|
1.7896
|
55
|
25
|
56.5
|
7
|
3.21
|
9.62
|
338.2
|
61.00
|
1.1454
|
100
|
40
|
90.4
|
7
|
4.05
|
12.2
|
541.1
|
97.61
|
0.7159
|
100
|
40
|
90.4
|
19
|
2.46
|
12.3
|
543.7
|
97.61
|
0.7193
|
150
|
63
|
142
|
19
|
3.09
|
15.4
|
856.4
|
153.73
|
0.4567
|
220
|
100
|
226
|
37
|
2.79
|
19.5
|
1362.6
|
244.02
|
0.2884
|
300
|
125
|
282
|
37
|
3.12
|
21.8
|
1703.2
|
305.02
|
0.2307
|
350
|
160
|
362
|
37
|
3.53
|
24.7
|
2180.1
|
390.43
|
0.1803
|
450
|
200
|
452
|
37
|
3.94
|
27.6
|
2725.1
|
488.03
|
0.1442
|
450
|
200
|
452
|
61
|
3.07
|
27.6
|
2729.1
|
488.03
|
0.1444
|
Concentric-Lay-Stranded Aluminum-Clad Steel
Conductors