This product is suitable for power lines with rated voltage of 0.6 / 1kV and below, for power transmission, suitable for laying in hotels, stations, airports, high-rise buildings, chemical industry, petroleum platform, power station, subway, tunnel and other fixed laying places.
The long-term allowable operating temperature of the cable shall not exceed 70℃, and the short-time working temperature shall not over 130℃.
The ambient temperature of the installation should not be lower than 0℃.
Minimum bending radius during cable installation: single-core cable not exceeding 15D (D is cable diameter), multi-core cable not exceeding 12D (D is cable diameter)
3. Cable Construction
3.1 Conductor adopts a compact fan or compact round structure, VV 32 is copper conductor and VLV 32 is aluminum conductor.
3.2 70℃ PVC insulation material is used for insulation, and the insulation thickness is shown in Table 1.
Table 1
Nominal section mm2 | Nominal insulation thickness mm | Nominal section mm2 | Nominal insulation thickness mm |
1.5 2.5 | 0.8 | 150 | 1.8 |
4 6 | 1.0 | 185 | 2.0 |
10 16 | 1.0 | 240 | 2.2 |
25 35 | 1.2 | 300 | 2.4 |
50 70 | 1.4 | 400 | 2.6 |
95 120 | 1.6 |
3.3 Cable armored material: galvanized steel wire is used, and the single core cable used for AC system adopts non-magnetic armored material.
3.4 The sheath is made of 70℃ PVC sheath material.
3.5 Nominal diameter and weight
Table 2
specifications Core * section | Nominal outer diameter mm | Nominal Weight kg/km | Specification Core*section | Outer Diameter mm | Nominal weight kg/km | ||
VV32 | VLV32 | VV32 | VLV32 | ||||
1*1.5 | 10.8 | 223 | 209 | 2*1.5 | 13.8 | 361 | 343 |
1*2.5 | 11.2 | 245 | 225 | 2*2.5 | 14.6 | 408 | 378 |
1*4 | 12.1 | 290 | 260 | 2*4 | 17.2 | 623 | 575 |
1*6 | 12.6 | 325 | 283 | 2*6 | 18.3 | 707 | 635 |
1*10 | 13.6 | 395 | 328 | 2*10 | 20.3 | 879 | 757 |
1*16 | 14.6 | 481 | 378 | 2*16 | 22.8 | 1173 | 980 |
1*25 | 16.2 | 622 | 462 | 2*25 | 26.0 | 1528 | 1220 |
1*35 | 17.9 | 865 | 646 | 2*35 | 27.7 | 1792 | 1368 |
1*50 | 19.6 | 1055 | 760 | 2*50 | 33.0 | 2541 | 1967 |
1*70 | 21.3 | 1312 | 891 | 2*70 | 37.0 | 3303 | 2475 |
1*95 | 24.0 | 1788 | 1204 | 2*95 | 41.3 | 4132 | 2980 |
1*120 | 25.4 | 2075 | 1343 | 2*120 | 45.3 | 5190 | 3739 |
1*150 | 28.0 | 2464 | 1557 | 2*150 | 50.1 | 6196 | 4395 |
1*185 | 30.1 | 2916 | 1785 | 2*185 | 54.3 | 7308 | 5058 |
1*240 | 32.9 | 3605 | 2109 | 2*240 | 60.3 | 9049 | 6066 |
1*300 | 36.9 | 4637 | 2760 | 2*300 | 65.9 | 10795 | 7046 |
1*400 | 40.5 | 5641 | 3250 | 2*400 | 74.2 | 13977 | 9194 |
3*1.5 | 14.3 | 400 | 371 | 4*1.5 | 15.1 | 446 | 408 |
3*2.5 | 16.0 | 567 | 521 | 4*2.5 | 16.9 | 634 | 573 |
3*4 | 17.9 | 702 | 630 | 4*4 | 19.0 | 798 | 701 |
3*6 | 19.0 | 808 | 701 | 4*6 | 20.3 | 930 | 786 |
3*10 | 21.3 | 1026 | 844 | 4*10 | 23.5 | 1329 | 1085 |
3*16 | 24.1 | 1426 | 1135 | 4*16 | 25.9 | 1679 | 1291 |
3*25 | 27.6 | 1890 | 1429 | 4*25 | 29.9 | 2267 | 1653 |
3*35 | 29.5 | 2257 | 1621 | 4*35 | 32.0 | 2739 | 1891 |
3*50 | 34.7 | 3129 | 2268 | 4*50 | 37.7 | 3869 | 2721 |
3*70 | 38.5 | 4050 | 2808 | 4*70 | 42.0 | 4950 | 3294 |
3*95 | 43.2 | 5150 | 3423 | 4*95 | 48.7 | 6826 | 4523 |
3*120 | 47.9 | 6537 | 4361 | 4*120 | 52.3 | 8044 | 5142 |
3*150 | 52.5 | 7767 | 5065 | 4*150 | 58.1 | 9677 | 6075 |
3*185 | 57.7 | 9324 | 5949 | 4*185 | 63.7 | 11660 | 7160 |
3*240 | 64.2 | 11656 | 7180 | 4*240 | 70.4 | 14558 | 8591 |
3*300 | 70.2 | 14015 | 8392 | 4*300 | 79.0 | 18578 | 11081 |
3*400 | 79.6 | 18222 | 11048 | 4*400 | 87.2 | 22740 | 13174 |
3*2.5+1*1.5 | 15.8 | 501 | 446 | 3*2.5+2*1.5 | 17.4 | 668 | 603 |
3*4+1*2.5 | 18.5 | 757 | 669 | 3*4+2*2.5 | 19.3 | 823 | 720 |
3*6+1*4 | 20.0 | 897 | 765 | 3*6+2*4 | 21.0 | 996 | 840 |
3*10+1*6 | 22.8 | 1257 | 1038 | 3*10+2*6 | 24.0 | 1386 | 1132 |
3*16+1*10 | 25.3 | 1591 | 1240 | 3*16+2*10 | 26.7 | 1778 | 1366 |
3*25+1*16 | 28.9 | 2117 | 1560 | 3*25+2*16 | 30.6 | 2380 | 1725 |
3*35+1*16 | 30.4 | 2468 | 1735 | 3*35+2*16 | 32.0 | 2723 | 1893 |
3*50+1*25 | 36.1 | 3469 | 2454 | 3*50+2*25 | 38.7 | 3999 | 2830 |
3*70+1*35 | 39.9 | 4474 | 3020 | 3*70+2*35 | 42.5 | 5030 | 3364 |
3*95+1*50 | 44.8 | 5724 | 3709 | 3*95+2*50 | 49.5 | 6934 | 4633 |
3*120+1*70 | 50.1 | 7371 | 4781 | 3*120+2*70 | 53.8 | 8387 | 5382 |
3*150+1*70 | 54.6 | 8599 | 5483 | 3*150+2*70 | 57.3 | 9514 | 5985 |
3*185+1*95 | 60.2 | 10469 | 6519 | 3*185+2*95 | 63.5 | 11712 | 7186 |
3*240+1*120 | 66.2 | 13078 | 7878 | 3*240+2*120 | 69.6 | 14586 | 8660 |
3*300+1*150 | 72.5 | 15601 | 9077 | 3*300+2*150 | 78.2 | 18420 | 10995 |
3*400+1*185 | 82.0 | 20191 | 11891 | 3*400+2*185 | 85.8 | 22375 | 12950 |
4*2.5+1*1.5 | 17.7 | 688 | 617 | 5*1.5 | 16.8 | 601 | 563 |
4*4+1*2.5 | 19.7 | 862 | 750 | 5*2.5 | 17.9 | 697 | 630 |
4*6+1*4 | 21.3 | 1028 | 860 | 5*4 | 20.2 | 889 | 779 |
4*10+1*6 | 24.5 | 1455 | 1176 | 5*6 | 21.6 | 1046 | 878 |
4*16+1*10 | 27.3 | 1863 | 1415 | 5*10 | 25.1 | 1508 | 1218 |
4*25+1*16 | 31.5 | 2526 | 1815 | 5*16 | 27.8 | 1929 | 1461 |
4*35+1*16 | 34.7 | 3261 | 2316 | 5*25 | 32.4 | 2649 | 1900 |
4*50+1*25 | 40.1 | 4318 | 3016 | 5*35 | 36.0 | 3511 | 2472 |
4*70+1*35 | 44.5 | 5496 | 3627 | 5*50 | 41.6 | 4630 | 3195 |
3*95+1*50 | 51.6 | 7572 | 4982 | 5*70 | 48.0 | 6421 | 4351 |
4*120+1*70 | 55.8 | 9048 | 5732 | 5*95 | 53.7 | 8200 | 5321 |
4*150+1*70 | 60.8 | 10645 | 6628 | 5*120 | 57.8 | 9695 | 6068 |
4*185+1*95 | 66.6 | 12879 | 7803 | 5*150 | 63.9 | 11688 | 7186 |
4*240+1*120 | 73.4 | 16222 | 9530 | 5*185 | 69.7 | 14028 | 8403 |
4*300+1*150 | 82.4 | 20429 | 12031 | 5*240 | 79.0 | 18582 | 11123 |
3*400+1*185 | 90.5 | 24923 | 14231 | 5*300 | 86.5 | 22414 | 13041 |
5*400 | 96.1 | 27629 | 15672 |
4. Main performance
4.1 The DC resistance of 20℃ conductor shall meet the requirements of Table 3.
Table 3
nominal cross mm2 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 | |
20℃ conductor DC resistance is not over n (Ω / km) | copper | 12.1 | 7.41 | 4.61 | 3.08 | 1.83 | 1.17 | 0.727 | 0.527 | 0.387 |
aluminium | 12.4 | 7.41 | 4.61 | 3.08 | 1.91 | 1.20 | 0.868 | 0.641 | ||
nominal cross mm2 | 70 | 95 | 120 | 150 | 185 | 240 | 300 | 400 | ||
20℃ conductor DC resistance is over (Ω / km) | copper | 0.268 | 0.193 | 0.153 | 0.124 | 0.0991 | 0.0754 | 0.0601 | 0.0470 | |
aluminium | 0.443 | 0.320 | 0.253 | 0.206 | 0.164 | 0.125 | 0.100 | 0.0778 |
4.2 Finished cable shall be subjected to 3.5kV / 5min voltage test without breakdown.