2 执行标准: GB/T1179-2008
3 使用特性:额定电压U(Um)为 1(1.2)KV,10(12)KV。电缆可用于单相接地故障时间每次一般不超过1min的系统, 亦可用于每次不超过8h、每年累计不超过125h的系统。
电缆敷设温度应该不低于-20℃。
短路时(最长时间不超过5s)电缆的最高温度:交联聚乙烯绝缘250℃, 高密度聚乙烯绝缘75℃,电缆的允许弯曲半径:
单芯电缆20(D+d)Min
多芯电缆15(D+d)min (D和d分别为电缆、导体的标称外径单位min)
4 技术参数
LJ铝绞线 |
|||||||
规格号 |
单线根数 n |
直径 mm |
单位长度质量 kg/km |
单位质量长度 m/kg |
额定拉断力 kN |
20℃直流电阻 不大于 (Ω/km) |
|
单线 |
绞线 |
||||||
10 |
7 |
1.35 |
4.05 |
27.4 |
36.50 |
1.95 |
2.8633 |
16 |
7 |
1.71 |
5.12 |
43.8 |
22.83 |
3.04 |
1.7896 |
25 |
7 |
2.13 |
6.40 |
68.4 |
14.62 |
4.50 |
1.1453 |
40 |
7 |
2.70 |
8.09 |
109.4 |
9.14 |
6.80 |
0.7158 |
63 |
7 |
3.39 |
10.2 |
172.3 |
5.80 |
10.39 |
0.4545 |
100 |
19 |
2.59 |
12.9 |
274.8 |
3.64 |
17.00 |
0.2877 |
125 |
19 |
2.89 |
14.5 |
343.6 |
2.91 |
21.25 |
0.2302 |
160 |
19 |
3.27 |
16.4 |
439.8 |
2.27 |
26.40 |
0.1798 |
200 |
19 |
3.66 |
18.3 |
549.7 |
1.82 |
32.00 |
0.1439 |
250 |
19 |
4.09 |
20.5 |
687.1 |
1.46 |
40.00 |
0.1151 |
315 |
37 |
3.29 |
23.0 |
867.9 |
1.15 |
51.97 |
0.0916 |
400 |
37 |
3.71 |
26.0 |
1102 |
0.91 |
64.00 |
0.0721 |
450 |
37 |
3.94 |
27.5 |
1239.8 |
0.81 |
72.00 |
0.0641 |
500 |
37 |
4.15 |
29.0 |
1377.6 |
0.73 |
80.00 |
0.0577 |
560 |
37 |
4.39 |
30.7 |
1542.9 |
0.65 |
89.60 |
0.0515 |
630 |
61 |
3.63 |
32.6 |
1738.3 |
0.58 |
100.80 |
0.0458 |
710 |
61 |
3.85 |
34.6 |
1959.1 |
0.51 |
113.60 |
0.0407 |
800 |
61 |
4.09 |
36.8 |
2207.4 |
0.45 |
128.00 |
0.0361 |
JL/G1A、JL/G1B、JL/G2A、JL/G2BJL/G3A钢芯铝绞线 |
||||||||||||||
规格号 |
单线根数 n |
单线直径 mm |
直径 mm |
单位长度质量 kg/km |
单位质量长度 m/kg |
额定拉断力 kN |
20℃直流电阻 不大于 (Ω/km) |
|||||||
铝 |
钢 |
铝 |
钢 |
钢芯 |
绞线 |
JL/G1A |
JL/G1B |
JL/G2A |
JL/G2B |
JL/G3A |
||||
16 |
6 |
1 |
1.84 |
1.84 |
1.84 |
5.52 |
64.6 |
15.48 |
6.08 |
5.89 |
6.45 |
6.27 |
6.83 |
1.7934 |
25 |
6 |
1 |
2.30 |
2.30 |
2.30 |
6.90 |
100.9 |
9.91 |
9.13 |
8.83 |
9.71 |
9.42 |
10.25 |
1.1478 |
40 |
6 |
1 |
2.91 |
2.91 |
2.91 |
8.73 |
161.5 |
6.19 |
14.40 |
13.93 |
15.33 |
14.87 |
16.20 |
0.7174 |
63 |
6 |
1 |
3.66 |
3.66 |
3.66 |
11.0 |
254.4 |
3.93 |
21.63 |
20.58 |
22.37 |
21.63 |
24.15 |
0.4555 |
100 |
6 |
1 |
4.61 |
4.61 |
4.61 |
13.8 |
403.8 |
2.48 |
34.33 |
32.67 |
35.50 |
34.33 |
38.33 |
0.2869 |
125 |
18 |
1 |
2.97 |
2.97 |
2.97 |
14.9 |
397.9 |
2.51 |
29.17 |
28.68 |
30.14 |
29.65 |
31.04 |
0.2304 |
125 |
26 |
7 |
2.47 |
1.92 |
5.77 |
15.7 |
503.9 |
1.98 |
45.69 |
44.27 |
48.54 |
47.12 |
51.39 |
0.2310 |
160 |
18 |
1 |
3.36 |
3.36 |
3.36 |
16.8 |
509.3 |
1.96 |
36.18 |
35.29 |
37.42 |
36.80 |
38.67 |
0.1800 |
160 |
26 |
7 |
2.80 |
2.18 |
6.53 |
17.7 |
644.9 |
1.55 |
57.69 |
55.86 |
61.34 |
59.51 |
64.99 |
0.1805 |
200 |
18 |
1 |
3.76 |
3.76 |
3.76 |
18.8 |
636.7 |
1.57 |
44.22 |
43.11 |
45.00 |
44.22 |
46.89 |
0.1440 |
200 |
26 |
7 |
3.13 |
2.43 |
7.30 |
19.8 |
806.2 |
1.24 |
70.13 |
67.85 |
74.69 |
72.41 |
78.93 |
0.1444 |
250 |
22 |
7 |
3.80 |
2.11 |
6.34 |
21.6 |
880.6 |
1.14 |
68.72 |
67.01 |
72.16 |
70.44 |
75.60 |
0.1154 |
250 |
26 |
7 |
3.50 |
2.72 |
8.16 |
22.2 |
1007.7 |
0.99 |
87.67 |
84.82 |
93.37 |
90.52 |
98.66 |
0.1155 |
315 |
45 |
7 |
2.99 |
1.99 |
5.97 |
23.9 |
1039.6 |
0.96 |
79.03 |
77.51 |
82.08 |
80.55 |
85.13 |
0.0917 |
315 |
26 |
7 |
3.93 |
3.05 |
9.16 |
24.9 |
1269.7 |
0.79 |
106.83 |
101.70 |
114.02 |
110.43 |
121.20 |
0.0917 |
400 |
45 |
7 |
3.36 |
2.24 |
6.73 |
26.9 |
1320.1 |
0.76 |
98.36 |
96.42 |
102.23 |
100.29 |
106.10 |
0.0722 |
400 |
54 |
7 |
3.07 |
3.07 |
9.21 |
27.6 |
1510.3 |
0.66 |
123.04 |
117.85 |
130.30 |
126.67 |
137.56 |
0.0723 |
450 |
45 |
7 |
3.57 |
2.38 |
7.14 |
28.5 |
1485.2 |
0.67 |
107.47 |
105.29 |
111.82 |
109.64 |
115.87 |
0.0642 |
450 |
54 |
7 |
3.26 |
3.26 |
9.77 |
29.3 |
1699.1 |
0.59 |
138.42 |
132.58 |
146.58 |
142.50 |
154.75 |
0.0643 |
500 |
45 |
7 |
3.76 |
2.51 |
7.52 |
30.1 |
1650.2 |
0.61 |
119.41 |
116.99 |
124.25 |
121.83 |
128.74 |
0.0578 |
500 |
54 |
7 |
3.43 |
3.43 |
10.30 |
30.9 |
1887.9 |
0.53 |
153.80 |
147.31 |
162.87 |
158.33 |
171.94 |
0.0578 |
560 |
45 |
7 |
3.98 |
2.65 |
7.96 |
31.8 |
1848.2 |
0.54 |
133.74 |
131.03 |
139.16 |
136.45 |
144.19 |
0.0516 |
560 |
54 |
19 |
3.63 |
2.18 |
10.90 |
32.7 |
2103.4 |
0.48 |
172.59 |
167.63 |
182.52 |
177.56 |
192.45 |
0.0516 |
630 |
45 |
7 |
4.22 |
2.81 |
8.44 |
33.8 |
2079.2 |
0.48 |
150.45 |
147.40 |
156.55 |
153.50 |
162.21 |
0.0459 |
630 |
54 |
19 |
3.85 |
2.31 |
11.60 |
34.7 |
2366.3 |
0.42 |
191.77 |
186.19 |
202.94 |
197.36 |
213.32 |
0.0459 |
710 |
45 |
7 |
4.48 |
2.99 |
8.96 |
35.9 |
2343.2 |
0.43 |
169.56 |
166.12 |
176.43 |
172.99 |
282.81 |
0.0407 |
710 |
54 |
19 |
4.09 |
2.45 |
12.30 |
36.8 |
2666.8 |
0.37 |
216.12 |
209.83 |
228.71 |
222.42 |
240.41 |
0.0407 |