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说明: |
一.VV22,ZR-VV22铜芯铠装聚氯乙烯绝缘护套电力电缆 用途(其中ZR-VV22电力电缆为铠装阻燃电缆)
本产品适用于交流50HZ,额定电压0.6/1KV的线路中,供输配电能之用。
1.电缆导体的最高额定温度为70℃。
2.短路时(最长持续时间不超过5s)电缆导体的最高温度不超过60℃。
3.敷设电缆时的温度不低于0℃,最小弯曲半径应不小于电缆外径的10倍。
二.型号、名称和使用范围
VV22 |
聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 |
敷设在室内,隧道及管道中,电缆不能承受压力和机械外力作用 |
ZR-VV22 |
聚氯乙烯绝缘钢带铠装聚氯乙烯护套阻燃电力电缆 |
敷设在室内,隧道及直埋土壤中,电缆不能承受压力和其他外力作用 |
电缆结构尺寸
VV22、ZR-VV22 0.6/1KV PVC绝缘PVC护套阻燃或非阻燃电力电缆
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
Cu |
Al |
Cu |
Al |
1×10 |
7 |
1.0 |
2×0.2 |
1.4 |
13.6 |
384 |
265 |
1.83 |
3.02 |
3.5 |
1×16 |
7 |
1.0 |
2×0.2 |
1.4 |
14.6 |
432.0 |
331.0 |
1.15 |
1.91 |
3.5 |
1×25 |
7 |
1.2 |
2×0.2 |
1.4 |
16.4 |
574.0 |
415.0 |
0.727 |
1.20 |
3.5 |
1×35 |
7 |
1.2 |
2×0.2 |
1.5 |
17.5 |
699.0 |
478.0 |
0.524 |
0.868 |
3.5 |
1×50 |
19 |
1.4 |
2×0.2 |
1.5 |
19.3 |
870.0 |
569.0 |
0.387 |
0.641 |
3.5 |
1×70 |
19 |
1.4 |
2×0.2 |
1.6 |
21.1 |
1118.0 |
685.0 |
0.268 |
0.443 |
3.5 |
1×95 |
19 |
1.6 |
2×0.2 |
1.6 |
23.4 |
1444.0 |
844.0 |
0.193 |
0.320 |
3.5 |
1×120 |
37 |
1.6 |
2×0.2 |
1.7 |
25.0 |
1719.0 |
960.0 |
0.153 |
0.253 |
3.5 |
1×150 |
37 |
1.8 |
2×0.2 |
1.7 |
27.0 |
2046.0 |
113.0 |
0.124 |
0.206 |
3.5 |
1×185 |
37 |
2.0 |
2×0.2 |
1.8 |
30.7 |
2672.0 |
1503.0 |
0.0991 |
0.164 |
3.5 |
1×240 |
61 |
2.2 |
2×0.2 |
1.9 |
33.3 |
3353.0 |
1816.0 |
0.0754 |
0.125 |
3.5 |
1×300 |
61 |
2.4 |
2×0.5 |
2.0 |
36.4 |
4072.0 |
2145.0 |
0.0601 |
0.100 |
3.5 |
1×400 |
61 |
2.6 |
2×0.5 |
2.1 |
40.1 |
5033.0 |
2570.0 |
0.0470 |
0.0778 |
3.5 |
1×500 |
61 |
2.8 |
2×0.5 |
2.2 |
44.1 |
6277.0 |
3099.0 |
0.0366 |
0.0605 |
3.5 |
1×600 |
91 |
2.8 |
2×0.5 |
2.3 |
48.7 |
7746.0 |
3674.0 |
0.0283 |
0.0469 |
3.5 |
1×800 |
91 |
2.8 |
2×0.5 |
2.6 |
51.4 |
9075.0 |
4117.0 |
0.0221 |
0.0367 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
Cu |
Al |
Cu |
Al |
2×4 |
1 |
1.0 |
2×0.2 |
1.8 |
16.6 |
424 |
374 |
4.61 |
7.41 |
3.5 |
2×6 |
1 |
1.0 |
2×0.2 |
1.8 |
17.6 |
493 |
419 |
3.08 |
4.61 |
3.5 |
2×10 |
7 |
1.0 |
2×0.2 |
1.8 |
19.2 |
663 |
539 |
1.83 |
3.02 |
3.5 |
2×16 |
7 |
1.0 |
2×0.2 |
1.8 |
22.3 |
844 |
647 |
1.15 |
1.91 |
3.5 |
2×25 |
7 |
1.2 |
2×0.2 |
1.8 |
25.8 |
1154 |
842 |
0.27 |
1.20 |
3.5 |
2×35 |
7 |
1.2 |
2×0.2 |
1.8 |
28.1 |
1431 |
998 |
0.524 |
0.868 |
3.5 |
2×50 |
19 |
1.4 |
2×0.2 |
1.8 |
25.6 |
1589 |
1034 |
0.387 |
0.641 |
3.5 |
1×70 |
19 |
1.4 |
2×0.5 |
2.0 |
29.3 |
2243 |
1378 |
0.268 |
0.443 |
3.5 |
2×95 |
19 |
1.6 |
2×0.5 |
2.1 |
33.8 |
2909 |
1735 |
0.193 |
0.320 |
3.5 |
2×120 |
37 |
1.6 |
2×0.5 |
2.2 |
35.9 |
3475 |
1991 |
0.153 |
0.253 |
3.5 |
2×150 |
37 |
1.8 |
2×0.5 |
2.4 |
39.7 |
4250 |
2400 |
0.124 |
0.206 |
3.5 |
2×185 |
37 |
2.0 |
2×0.5 |
2.5 |
42.8 |
5010 |
2723 |
0.0991 |
0.164 |
3.5 |
2×240 |
61 |
2.2 |
2×0.5 |
2.5 |
49.5 |
6067 |
3090 |
0.0754 |
0.125 |
3.5 |
2×300 |
61 |
2.4 |
2×0.5 |
2.5 |
52.0 |
7167 |
3396 |
0.0601 |
0.100 |
3.5 |
2×400 |
61 |
2.4 |
2×0.5 |
2.7 |
58.5 |
8956 |
4156 |
0.0470 |
0.0778 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
Cu |
Al |
Cu |
Al |
3×4 |
1 |
1.0 |
2×0.2 |
1.8 |
17.3 |
489 |
414 |
4.61 |
7.41 |
3.5 |
3×6 |
1 |
1.0 |
2×0.2 |
1.8 |
18.4 |
577 |
472 |
3.08 |
4.61 |
3.5 |
3×10 |
7 |
1.0 |
2×0.2 |
1.8 |
21.2 |
800 |
559 |
1.83 |
3.02 |
3.5 |
3×16 |
7 |
1.0 |
2×0.2 |
1.8 |
23.5 |
1050 |
740 |
1.15 |
1.91 |
3.5 |
3×25 |
7 |
1.2 |
2×0.2 |
1.8 |
27.2 |
1465 |
976 |
0.127 |
1.20 |
3.5 |
3×35 |
7 |
1.2 |
2×0.2 |
1.8 |
30.7 |
2149 |
1372 |
0.524 |
0.868 |
3.5 |
3×50 |
19 |
1.4 |
2×0.5 |
1.9 |
31.3 |
2453 |
1486 |
0.387 |
0.641 |
3.5 |
3×70 |
19 |
1.4 |
2×0.5 |
2.1 |
33.6 |
3116 |
1763 |
0.268 |
0.443 |
3.5 |
3×95 |
19 |
1.6 |
2×0.5 |
2.2 |
38.3 |
4053 |
2216 |
0.193 |
0.320 |
3.5 |
3×120 |
37 |
1.6 |
2×0.5 |
2.3 |
41.9 |
4930 |
2609 |
0.153 |
0.253 |
3.5 |
3×150 |
37 |
1.8 |
2×0.5 |
2.5 |
47.1 |
6075 |
3174 |
0.124 |
0.206 |
3.5 |
3×185 |
37 |
2.0 |
2×0.5 |
2.6 |
50.9 |
7299 |
3721 |
0.0991 |
0.164 |
3.5 |
3×240 |
61 |
2.2 |
2×0.5 |
2.8 |
57.0 |
9213 |
4590 |
0.0754 |
0.125 |
3.5 |
3×300 |
61 |
2.4 |
2×0.5 |
3.0 |
61.1 |
11185 |
5438 |
0.0601 |
0.100 |
3.5 |
3×400 |
61 |
2.4 |
2×0.5 |
3.2 |
70.5 |
13330 |
5950 |
0.0470 |
0.0778 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
Cu |
Al |
Cu |
Al |
4×4 |
1 |
1.0 |
2×0.2 |
1.8 |
18.5 |
565 |
464 |
4.61 |
7.41 |
3.5 |
4×6 |
1 |
1.0 |
2×0.2 |
1.8 |
19.7 |
685 |
533 |
3.08 |
4.61 |
3.5 |
4×10 |
7 |
1.0 |
2×0.2 |
1.8 |
22.8 |
960 |
699 |
1.83 |
3.02 |
3.5 |
4×16 |
7 |
1.0 |
2×0.2 |
1.8 |
25.3 |
1273 |
851 |
1.15 |
1.91 |
3.5 |
4×25 |
7 |
1.2 |
2×0.2 |
1.8 |
30.5 |
1998 |
1374 |
0.127 |
1.20 |
3.5 |
4×35 |
7 |
1.2 |
2×0.2 |
1.9 |
33.5 |
2505 |
1602 |
0.524 |
0.868 |
3.5 |
4×50 |
19 |
1.4 |
2×0.5 |
2.0 |
35.2 |
3122 |
1832 |
0.387 |
0.641 |
3.5 |
4×70 |
19 |
1.4 |
2×0.5 |
2.2 |
38.7 |
4025 |
2220 |
0.268 |
0.443 |
3.5 |
4×95 |
19 |
1.6 |
2×0.5 |
2.4 |
44.7 |
5291 |
2842 |
0.193 |
0.320 |
3.5 |
4×120 |
37 |
1.6 |
2×0.5 |
2.5 |
49.4 |
6464 |
3370 |
0.153 |
0.253 |
3.5 |
4×150 |
37 |
1.8 |
2×0.5 |
2.6 |
53.7 |
7866 |
3998 |
0.124 |
0.206 |
3.5 |
4×185 |
37 |
2.0 |
2×0.5 |
2.8 |
58.9 |
9452 |
4772 |
0.0991 |
0.164 |
3.5 |
4×240 |
61 |
2.2 |
2×0.5 |
3.0 |
61.0 |
11916 |
5727 |
0.0754 |
0.125 |
3.5 |
4×300 |
61 |
2.4 |
2×0.5 |
3.0 |
67.0 |
14118 |
6558 |
0.0601 |
0.100 |
3.5 |
4×400 |
61 |
2.4 |
2×0.5 |
3.4 |
73.6 |
19950 |
9366 |
0.0470 |
0.0778 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
Cu |
Al |
Cu |
Al |
5×2.5 |
1 |
0.8 |
2×0.2 |
1.8 |
17.3 |
488 |
409 |
7.41 |
12.1 |
3.5 |
5×4 |
1 |
1.0 |
2×0.2 |
1.8 |
19.7 |
644 |
518 |
4.61 |
7.41 |
3.5 |
5×6 |
1 |
1.0 |
2×0.2 |
1.8 |
21.3 |
790 |
605 |
3.08 |
4.61 |
3.5 |
5×10 |
7 |
1.0 |
2×0.2 |
1.8 |
24.6 |
1110 |
779 |
1.83 |
3.02 |
3.5 |
5×16 |
7 |
1.0 |
2×0.2 |
1.8 |
27.4 |
1485 |
970 |
1.15 |
1.91 |
3.5 |
4×25 |
7 |
1.2 |
2×0.2 |
1.8 |
33.3 |
2339 |
1525 |
0.127 |
1.20 |
3.5 |
5×35 |
7 |
1.2 |
2×0.5 |
2.0 |
36.6 |
2953 |
1822 |
0.524 |
0.868 |
3.5 |
5×50 |
19 |
1.4 |
2×0.5 |
2.2 |
41.6 |
3975 |
2392 |
0.387 |
0.641 |
3.5 |
5×70 |
19 |
1.4 |
2×0.5 |
2.3 |
45.5 |
5125 |
2909 |
0.268 |
0.443 |
3.5 |
5×95 |
19 |
1.6 |
2×0.5 |
2.5 |
52.1 |
6798 |
3790 |
0.193 |
0.320 |
3.5 |
5×120 |
37 |
1.6 |
2×0.5 |
2.6 |
57.3 |
8217 |
4418 |
0.153 |
0.253 |
3.5 |
5×150 |
37 |
1.8 |
2×0.5 |
2.8 |
63.1 |
10030 |
5280 |
0.124 |
0.206 |
3.5 |
5×185 |
37 |
2.0 |
2×0.5 |
3.0 |
69.9 |
12275 |
6418 |
0.0991 |
0.164 |
3.5 |
5×240 |
61 |
2.2 |
2×0.5 |
3.2 |
77.1 |
15077 |
7343 |
0.0754 |
0.125 |
3.5 |
5×300 |
61 |
2.4 |
2×0.5 |
3.2 |
86.5 |
18214 |
8764 |
0.0601 |
0.100 |
3.5 |
5×400 |
61 |
2.4 |
2×0.5 |
3.5 |
92.2 |
22864 |
10264 |
0.0470 |
0.0778 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
相线 |
地线 |
|
|
Cu |
Al |
Cu |
Al |
3×4+1×2.5 |
1 |
1 |
1.0 |
0.8 |
2×0.2 |
1.8 |
17.9 |
538.0 |
446.0 |
4.61 |
7.41 |
7.41 |
12.1 |
3.5 |
3×6+1×4 |
1 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
19.5 |
657.0 |
524.0 |
3.08 |
4.61 |
4.61 |
7.41 |
3.5 |
3×10+1×6 |
7 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
22.1 |
894.0 |
619.0 |
1.83 |
3.08 |
3.02 |
4.61 |
3.5 |
3×16+1×10 |
7 |
7 |
1.0 |
1.0 |
2×0.2 |
1.8 |
24.7 |
1194.0 |
804.0 |
1.15 |
1.83 |
1.91 |
3.02 |
3.5 |
3×25+1×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.8 |
28.5 |
1668.0 |
1072.0 |
0.727 |
1.15 |
1.20 |
1.91 |
3.5 |
3×35+1×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.8 |
31.7 |
2243.0 |
1458.0 |
0.524 |
1.15 |
0.868 |
1.91 |
3.5 |
3×50+1×25 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.0 |
35.0 |
2852.0 |
1723.0 |
0.387 |
0.727 |
0.641 |
1.20 |
3.5 |
3×70+1×35 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.1 |
38.5 |
3657.0 |
2077.0 |
0.268 |
0.524 |
0.443 |
0.868 |
3.5 |
3×95+1×50 |
19 |
19 |
1.6 |
1.4 |
2×0.5 |
2.3 |
44.3 |
4796.0 |
2636.0 |
0.193 |
0.387 |
0.320 |
0.641 |
3.5 |
3×120+1×70 |
37 |
19 |
1.6 |
1.4 |
2×0.5 |
2.4 |
49.0 |
5912.0 |
3139.0 |
0.153 |
0.268 |
0.253 |
0.443 |
3.5 |
3×150+1×70 |
37 |
19 |
1.8 |
1.4 |
2×0.5 |
2.5 |
53.5 |
7025.0 |
3673.0 |
0.124 |
0.268 |
0.206 |
0.443 |
3.5 |
3×185+1×95 |
37 |
19 |
2.0 |
1.6 |
2×0.5 |
2.7 |
58.9 |
8598.0 |
4408.0 |
0.0991 |
0.1930 |
0.164 |
0.320 |
3.5 |
3×240+1×120 |
61 |
37 |
2.2 |
1.6 |
2×0.5 |
2.9 |
60.6 |
10631.0 |
5216.0 |
0.0754 |
0.1530 |
0.125 |
0.253 |
3.5 |
3×300+1×150 |
61 |
37 |
2.4 |
1.8 |
2×0.5 |
3.1 |
65.6 |
12913.0 |
6145.0 |
0.0601 |
0.1240 |
0.100 |
0.206 |
3.5 |
3×400+1×240 |
61 |
61 |
2.4 |
1.8 |
2×0.5 |
3.3 |
72.8 |
15410.0 |
7812.0 |
0.0470 |
0.0754 |
0.0778 |
0.125 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
相线 |
地线 |
|
|
Cu |
Al |
Cu |
Al |
3×4+2×2.5 |
1 |
1 |
1.0 |
0.8 |
2×0.2 |
1.8 |
18.8 |
580 |
491 |
4.61 |
7.41 |
7.41 |
12.1 |
3.5 |
3×6+2×4 |
1 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
20.7 |
728 |
570 |
3.08 |
4.61 |
4.61 |
7.41 |
3.5 |
3×10+2×6 |
7 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
23.3 |
973 |
702 |
1.83 |
3.08 |
3.02 |
4.61 |
3.5 |
3×16+2×10 |
7 |
7 |
1.0 |
1.0 |
2×0.2 |
1.8 |
26.3 |
1323 |
853 |
1.15 |
1.83 |
1.91 |
3.02 |
3.5 |
3×25+2×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.8 |
31.5 |
2053 |
1287 |
0.727 |
1.15 |
1.20 |
1.91 |
3.5 |
3×35+2×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.9 |
33.6 |
2406 |
1402 |
0.524 |
1.15 |
0.868 |
1.91 |
3.5 |
3×50+2×25 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.1 |
38.4 |
3371 |
2080 |
0.387 |
0.727 |
0.641 |
1.20 |
3.5 |
3×70+2×35 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.2 |
42.6 |
4350 |
2542 |
0.268 |
0.524 |
0.443 |
0.868 |
3.5 |
3×95+2×50 |
19 |
19 |
1.6 |
1.4 |
2×0.5 |
2.4 |
48.5 |
5736 |
2384 |
0.193 |
0.387 |
0.320 |
0.641 |
3.5 |
3×120+2×70 |
37 |
19 |
1.6 |
1.4 |
2×0.5 |
2.5 |
53.4 |
7126 |
3897 |
0.153 |
0.268 |
0.253 |
0.443 |
3.5 |
3×150+2×70 |
37 |
19 |
1.8 |
1.4 |
2×0.5 |
2.6 |
57.2 |
8249 |
4438 |
0.124 |
0.268 |
0.206 |
0.443 |
3.5 |
3×185+2×95 |
37 |
19 |
2.0 |
1.6 |
2×0.5 |
2.8 |
63.9 |
10254 |
5441 |
0.0991 |
0.1930 |
0.164 |
0.320 |
3.5 |
3×240+2×120 |
61 |
37 |
2.2 |
1.6 |
2×0.5 |
3.0 |
71.4 |
12888 |
6689 |
0.0754 |
0.1530 |
0.125 |
0.253 |
3.5 |
3×300+2×150 |
61 |
37 |
2.4 |
1.6 |
2×0.5 |
3.2 |
79.3 |
15483 |
7948 |
0.0601 |
0.1240 |
0.100 |
0.206 |
3.5 |
3×400+2×240 |
61 |
61 |
2.4 |
1.8 |
2×0.5 |
3.4 |
86.7 |
19950 |
9366 |
0.0470 |
0.0754 |
0.0778 |
0.125 |
3.5 |
导体标称横截面(mm2) |
导体中单线根数 |
绝缘厚度(mm) |
钢带厚度(mm) |
外护套厚度(mm) |
电缆近似外径(mm) |
电缆近似重量(kg/km) |
20℃导体电阻≤( Ω/km) |
试验电压Kv/5min |
相线 |
地线 |
|
|
Cu |
Al |
Cu |
Al |
4×4+1×2.5 |
1 |
1 |
1.0 |
0.8 |
2×0.2 |
1.8 |
19.2 |
605 |
498 |
4.61 |
7.41 |
7.41 |
12.1 |
3.5 |
4×6+1×4 |
1 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
20.8 |
765 |
589 |
3.08 |
4.61 |
4.61 |
7.41 |
3.5 |
4×10+1×6 |
7 |
1 |
1.0 |
1.0 |
2×0.2 |
1.8 |
23.9 |
152 |
756 |
1.83 |
3.08 |
3.02 |
4.61 |
3.5 |
4×16+1×10 |
7 |
7 |
1.0 |
1.0 |
2×0.2 |
1.8 |
26.9 |
1482 |
852 |
1.15 |
1.83 |
1.91 |
3.02 |
3.5 |
4×25+1×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.8 |
32.4 |
2312 |
1477 |
0.727 |
1.15 |
1.20 |
1.91 |
3.5 |
4×35+1×16 |
7 |
7 |
1.2 |
1.0 |
2×0.2 |
1.9 |
35.1 |
2756 |
1731 |
0.524 |
1.15 |
0.868 |
1.91 |
3.5 |
4×50+1×25 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.1 |
39.7 |
3680 |
1827 |
0.387 |
0.727 |
0.641 |
1.20 |
3.5 |
4×70+1×35 |
19 |
7 |
1.4 |
1.2 |
2×0.5 |
2.3 |
44.0 |
4768 |
2734 |
0.268 |
0.524 |
0.443 |
0.868 |
3.5 |
4×95+1×50 |
19 |
19 |
1.6 |
1.4 |
2×0.5 |
2.4 |
50.2 |
6267 |
3491 |
0.193 |
0.387 |
0.320 |
0.641 |
3.5 |
4×120+1×70 |
37 |
19 |
1.6 |
1.4 |
2×0.5 |
2.6 |
55.1 |
7698 |
4145 |
0.153 |
0.268 |
0.253 |
0.443 |
3.5 |
4×150+1×70 |
37 |
19 |
1.8 |
1.4 |
2×0.5 |
2.7 |
59.9 |
6216 |
4882 |
0.124 |
0.268 |
0.206 |
0.443 |
3.5 |
4×185+1×95 |
37 |
19 |
2.0 |
1.6 |
2×0.5 |
2.9 |
66.5 |
11293 |
5899 |
0.0991 |
0.1930 |
0.164 |
0.320 |
3.5 |
4×240+1×120 |
61 |
37 |
2.2 |
1.6 |
2×0.5 |
3.1 |
74.3 |
14371 |
7395 |
0.0754 |
0.1530 |
0.125 |
0.253 |
3.5 |
4×300+1×150 |
61 |
37 |
2.4 |
1.6 |
2×0.5 |
3.3 |
80.1 |
17449 |
8891 |
0.0601 |
0.1240 |
0.100 |
0.206 |
3.5 |
4×400+1×240 |
61 |
61 |
2.4 |
1.6 |
2×0, .5 |
3.6 |
88.2 |
21578 |
9986 |
0.0470 |
0.0754 |
0.0778 |
0.125 |
3.5 |
三.电缆运行敷设条件
电缆敷设
1. 敷设时电缆温度不低于0℃,环境温度不低于℃时,应对电缆进行预热。
2. 敷设的弯曲半径不小于电缆外径的10倍。
3. 电缆敷设后应经受以直流耐压试验,时间为15分,试验电压3.5KV。
在空气中敷设
1.单芯电缆平行敷设时中心距离185mm2以下为电缆直径的2倍240mm2及以上为90mm。
2. 周围环境温度:30℃。
3. 导电线芯最高允许温度:70℃。
4. 不同环境温度下载流量的校正系数:
环境温度 |
20℃ |
25℃ |
35℃ |
40℃ |
45℃ |
校正系数 |
1.12 |
1.06 |
0.94 |
0.87 |
0.79 |
直埋敷设
1. 单芯电费不接触敷设时,中心距离为电费走私的2倍。
2. 周围环境温度:25℃。
3. 导电线芯最高允许温度:70℃。
4. 土壤热阻系数:1.0℃.m/w。
5. 直坦深试:0.7m。
6. 不同环境温度下载流量校正系数:
环境温度 |
15℃ |
20℃ |
30℃ |
35℃ |
校正系数 |
1.11 |
1.05 |
0.94 |
0.88 |
短路容量
导电线芯短路时允许最高温度 |
最高允许的短路电流 |
160℃ |
I=94S√tA |
|
|