Wuhan Green Song Zheng Cable Co.,Ltd
Wuhan Green Song Positive Cable Co., LTD
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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 be 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 22 is copper conductor and VLV 22 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 thickness of the insulation is mm | Nominal section mm2 | Nominal thickness of the insulation is 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: adopt galvanized steel tape, 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 outer diameter and weight
Table 2
| specifications Core * section | Reference to outer diameter mm | Reference weight is kg / km | specifications Core * section | Reference to outer diameter mm | Reference weight kg / km | ||
| VV22 | VLV22 | VV22 | VLV22 | ||||
| 1*1.5 | 9.8 | 137 | 128 | 2*1.5 | 12.3 | 213 | 194 |
| 1*2.5 | 10.2 | 154 | 139 | 2*2.5 | 13.1 | 250 | 219 |
| 1*4 | 11.1 | 188 | 164 | 2*4 | 14.9 | 325 | 276 |
| 1*6 | 11.6 | 216 | 181 | 2*6 | 15.9 | 387 | 315 |
| 1*10 | 12.6 | 274 | 214 | 2*10 | 18.0 | 515 | 393 |
| 1*16 | 13.6 | 348 | 252 | 2*16 | 20.0 | 676 | 483 |
| 1*25 | 15.2 | 469 | 317 | 2*25 | 23.2 | 947 | 640 |
| 1*35 | 16.0 | 571 | 361 | 2*35 | 24.8 | 1167 | 743 |
| 1*50 | 17.7 | 724 | 440 | 2*50 | 28.8 | 1525 | 951 |
| 1*70 | 19.4 | 946 | 536 | 2*70 | 32.4 | 2031 | 1202 |
| 1*95 | 21.4 | 1234 | 664 | 2*95 | 38.0 | 3060 | 1909 |
| 1*120 | 22.8 | 1483 | 765 | 2*120 | 41.0 | 3660 | 2209 |
| 1*150 | 24.8 | 1791 | 900 | 2*150 | 45.4 | 4448 | 2647 |
| 1*185 | 26.8 | 2179 | 1065 | 2*185 | 50.8 | 5476 | 3226 |
| 1*240 | 29.6 | 2794 | 1317 | 2*240 | 56.4 | 6939 | 3956 |
| 1*300 | 32.2 | 3425 | 1569 | 2*300 | 62.0 | 8484 | 4735 |
| 1*400 | 35.9 | 4315 | 1947 | 2*400 | 67.8 | 9918 | 5135 |
| 3*1.5 | 13.2 | 253 | 224 | 4*1.5 | 14.0 | 289 | 252 |
| 3*2.5 | 14.1 | 301 | 255 | 4*2.5 | 15.0 | 350 | 289 |
| 3*4 | 16 | 397 | 324 | 4*4 | 17.1 | 470 | 373 |
| 3*6 | 17.1 | 480 | 372 | 4*6 | 18.3 | 575 | 431 |
| 3*10 | 19.3 | 650 | 468 | 4*10 | 20.8 | 791 | 548 |
| 3*16 | 21.5 | 870 | 579 | 4*16 | 23.3 | 1073 | 686 |
| 3*25 | 24.9 | 1237 | 776 | 4*25 | 27.1 | 1545 | 931 |
| 3*35 | 26.7 | 1546 | 910 | 4*35 | 29.3 | 1961 | 1113 |
| 3*50 | 30.5 | 2033 | 1171 | 4*50 | 33.6 | 2588 | 1440 |
| 3*70 | 34.4 | 2734 | 1492 | 4*70 | 39.3 | 3884 | 2227 |
| 3*95 | 40.3 | 4044 | 2317 | 4*95 | 44.5 | 5147 | 2844 |
| 3*120 | 43.6 | 4873 | 2697 | 4*120 | 49.7 | 6322 | 3421 |
| 3*150 | 49.9 | 6040 | 3338 | 4*150 | 54.8 | 7706 | 4104 |
| 3*185 | 54.4 | 7370 | 3995 | 4*185 | 60.0 | 9428 | 4928 |
| 3*240 | 60.4 | 9399 | 4924 | 4*240 | 66.7 | 12065 | 6098 |
| 3*300 | 66.4 | 11537 | 5913 | 4*300 | 73.4 | 14840 | 7342 |
| 3*400 | 74.2 | 14470 | 7295 | 4*400 | 81.8 | 18607 | 9041 |
| 3*2.5+1*1.5 | 14.7 | 1371 | 1315 | 3*2.5+2*1.5 | 15.5 | 368 | 303 |
| 3*4+1*2.5 | 16.6 | 433 | 345 | 3*4+2*2.5 | 17.3 | 483 | 379 |
| 3*6+1*4 | 18.0 | 538 | 406 | 3*6+2*4 | 19.1 | 618 | 461 |
| 3*10+1*6 | 20.2 | 730 | 512 | 3*10+2*6 | 21.3 | 826 | 572 |
| 3*16+1*10 | 22.7 | 986 | 635 | 3*16+2*10 | 24.1 | 1139 | 727 |
| 3*25+1*16 | 26.2 | 1405 | 847 | 3*25+2*16 | 27.8 | 1624 | 970 |
| 3*35+1*16 | 27.6 | 1721 | 988 | 3*35+2*16 | 29.2 | 1933 | 1104 |
| 3*50+1*25 | 31.9 | 2336 | 1322 | 3*50+2*25 | 33.9 | 2634 | 1466 |
| 3*70+1*35 | 35.8 | 3114 | 1660 | 3*70+2*35 | 39.1 | 3893 | 2227 |
| 3*95+1*50 | 43.7 | 4178 | 2164 | 3*95+2*50 | 46.2 | 5255 | 2954 |
| 3*120+1*70 | 47.5 | 5625 | 3035 | 3*120+2*70 | 50.5 | 6534 | 3530 |
| 3*150+1*70 | 51.3 | 6671 | 3555 | 3*150+2*70 | 54.0 | 7530 | 4000 |
| 3*185+1*95 | 56.5 | 8284 | 4334 | 3*185+2*95 | 59.8 | 9432 | 4906 |
| 3*240+1*120 | 62.5 | 10656 | 5455 | 3*240+2*120 | 65.9 | 12067 | 6141 |
| 3*300+1*150 | 68.8 | 12919 | 6395 | 3*300+2*150 | 72.7 | 14656 | 7231 |
| 3*400+1*185 | 76.4 | 16224 | 7924 | 3*400+2*185 | 80.8 | 18326 | 8901 |
| 4*2.5+1*1.5 | 15.7 | 383 | 312 | 5*1.5 | 14.8 | 328 | 281 |
| 4*4+1*2.5 | 17.8 | 512 | 399 | 5*2.5 | 15.9 | 402 | 325 |
| 4*6+1*4 | 19.4 | 643 | 475 | 5*4 | 18.3 | 546 | 425 |
| 4*10+1*6 | 21.9 | 879 | 600 | 5*6 | 19.7 | 675 | 495 |
| 4*16+1*10 | 24.6 | 1209 | 761 | 5*10 | 22.5 | 939 | 635 |
| 4*25+1*16 | 28.8 | 1755 | 1043 | 5*16 | 25.2 | 1286 | 802 |
| 4*35+1*16 | 30.5 | 2152 | 1207 | 5*25 | 29.5 | 1867 | 1099 |
| 4*50+1*25 | 36.7 | 3245 | 1943 | 5*35 | 32.0 | 2395 | 1335 |
| 4*70+1*35 | 41.2 | 4310 | 2441 | 5*50 | 38.2 | 3559 | 2124 |
| 3*95+1*50 | 46.6 | 5701 | 3111 | 5*70 | 43.0 | 4740 | 2670 |
| 4*120+1*70 | 51.0 | 7026 | 3711 | 5*95 | 50.4 | 6400 | 3521 |
| 4*150+1*70 | 57.1 | 8464 | 4448 | 5*120 | 54.4 | 7737 | 4110 |
| 4*185+1*95 | 62.9 | 10478 | 5403 | 5*150 | 60.2 | 9444 | 4941 |
| 4*240+1*120 | 69.7 | 13549 | 6856 | 5*185 | 66.0 | 11571 | 5946 |
| 4*300+1*150 | 76.8 | 16437 | 8038 | 5*240 | 73.4 | 14835 | 7377 |
| 3*400+1*185 | 85.4 | 20584 | 9892 | 5*300 | 81.0 | 18310 | 8938 |
| 5*400 | 91.8 | 23907 | 11949 | ||||
4. Main performance
4.1 The DC resistance of 20℃ conductor shall meet the requirements of Table 3.
| Nominal cross mm2 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 | |
| 20℃ conductor DC resistance is not over (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 not 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 | ||
Table 3
4.2 Finished cable shall be subjected to 3.5kV / 5min voltage test without breakdown.
