圆线同心绞架空导线
铝绞线及钢芯铝绞线(GB1179-1983)
圆线同心绞架空导线(GB/T 1179-1999)
圆线同心绞架空导线(GB/T 1179-2008)
GB1179—1983 摘录 |
导线规格 |
240/30 |
240/40 |
300/40 |
300/50 |
400/35 |
400/50 |
400/65 |
铝导体的导电率(%IACS) |
61 |
61 |
61 |
61 |
61 |
61 |
61 |
钢比(%) |
13 |
16 |
13 |
16 |
9 |
13 |
16 |
结构(根数/直径)No./mm) |
铝 |
24/3.60 |
26/3.42 |
24/3.99 |
26/3.83 |
48/3.22 |
54/3.07 |
26/4.42 |
钢 |
7/2.40 |
7/2.66 |
7/2.66 |
7/2.98 |
7/2.50 |
7/3.07 |
7/3.44 |
计算截面积 (mm2) |
铝 |
244.29 |
238.85 |
300.09 |
299.54 |
390.88 |
399.73 |
398.94 |
钢 |
31.67 |
38.90 |
38.90 |
48.82 |
34.36 |
51.82 |
65.06 |
总 |
275.96 |
277.75 |
338.99 |
348.36 |
425.24 |
451.55 |
464.00 |
导线直径(mm) |
21.60 |
21.66 |
23.94 |
24.26 |
26.82 |
27.63 |
28.00 |
20℃直流电阻(Ω/km) |
0.1181 |
0.1209 |
0.09614 |
0.09636 |
0.07389 |
0.07232 |
0.07236 |
计算拉断力(N) |
75620 |
83370 |
92220 |
103400 |
103900 |
123400 |
135200 |
单位长度质量(kg/km) |
922.2 |
964.3 |
1133 |
1210 |
1349 |
1511 |
1611 |
GB1179—1999 摘录 |
导线规格 |
250/25 |
250/40 |
315/22 |
315/51 |
400/28 |
400/52 |
铝导体的导电率(%IACS) |
61 |
61 |
61 |
61 |
61 |
61 |
钢比(%) |
10 |
16 |
7 |
16 |
7 |
13 |
结构(根数/直径)No./mm) |
铝 |
22/3.80 |
26/3.50 |
45/2.99 |
26/3.93 |
45/3.36 |
54/3.07 |
钢 |
7/2.11 |
7/2.72 |
7/1.99 |
7/3.05 |
7/2.24 |
7/3.07 |
计算截面积
(mm2) |
铝 |
250 |
250 |
315 |
315 |
400 |
400 |
钢 |
24.6 |
40.7 |
21.8 |
51.3 |
27.7 |
51.9 |
总 |
275 |
291 |
337 |
366 |
428 |
452 |
导线直径(mm) |
21.60 |
22.2 |
23.9 |
24.9 |
26.9 |
27.6 |
20℃直流电阻(Ω/km) |
0.1154 |
0.1155 |
0.0917 |
0.0917 |
0.0722 |
0.0723 |
计算拉断力(kN) |
JL/G1A |
68.72 |
87.67 |
79.03 |
106.83 |
98.36 |
123.04 |
JL/G2A |
72.16 |
93.37 |
82.08 |
114.02 |
102.23 |
130.30 |
JL/G3A |
75.60 |
98.66 |
85.13 |
121.20 |
106.10 |
137.56 |
单位长度质量(kg/km) |
880.6 |
1007.7 |
1039.6 |
1269.7 |
1320.1 |
1510.3 |
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