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Specifications
1982 HeBei New Baofeng Cable & Wire Co.,Ltd was founded.1997 Achieve ISO9001 Quality Certificate.
2001 Successfully d
The current rating values given in table may be considered applicable, without correction factors, for cables bunched together on cable trays, in cable conduits, pipes or trunking, unless more than six cables, which may be expected to operate simultaneously at their full rated capacity, are laid close together in a cable bunch in such a way that there is an absence of free air circulation them. In this case a correction factor of 0.85 should be applied.
Milestone
1982 HeBei New Baofeng Cable & Wire Co.,Ltd was founded.
1997 Achieve ISO9001 Quality Certificate.
2001 Successfully developed 500KV 2500sqmm XLPE power cable and got Type Test Certificate.
2004 Got ISO14001 Environment Certificate Got 220KV UG Cable PQ Test.
2007 Got first 500KV power cable EPC order-Longtan Hydropower station.
2008 Got 500KV power cable EPC order--Xuangang Thermal Power Station.
2009 till today Got seven 500KV power cable EPC projects and we are the only 500KV cable and accessories manufacturer in China.
| Nominal cross-sectional area mm 2 |
Conductors in cables for fixed installations(IEC 60228 Class2) | Flexible conductors(IEC60228 Class5) | ||||||
| Construction of conductor Number of wire/diameter mm |
Diameter of conductor mm | Max. resistance of conductor at 20C Ω /km |
Construction of conductor Number of wire/diameter mm |
Diameter of conductor mm | Max. resistance of conductor at 20C Ω /km |
|||
| Tinned | Plain | Tinned | Plain | |||||
| 1 | 7/0.43 | 1.3 | 18.2 | 18.1 | 32/0.20 | 1.3 | 20.0 | 19.5 |
| 1.5 | 7/0.52 | 1.6 | 12.2 | 12.1 | 30/0.25 | 1.6 | 13.7 | 13.3 |
| 2.5 | 7/0.68 | 2.1 | 7.56 | 7.41 | 49/0.25 | 2.1 | 8.21 | 7.98 |
| 4 | 7/0.85 | 2.6 | 4.70 | 4.61 | 56/0.30 | 2.6 | 5.09 | 4.95 |
| 6 | 7/1.04 | 3.2 | 3.11 | 3.08 | 84/0.30 | 3.7 | 3.39 | 3.30 |
| 10 | 7/1.35 | 4.1 | 1.84 | 1.83 | 84/0.40 | 4.9 | 1.95 | 1.91 |
| 16 | 7/1.70 | 5.1 | 1.16 | 1.15 | 126/0.40 | 5.9 | 1.24 | 1.21 |
| 25 | 7/2.14 | 6.4 | 0.734 | 0.727 | 196/0.40 | 7.7 | 0.795 | 0.780 |
| 35 | 7/2.52 | 7.6 | 0.529 | 0.524 | 276/0.40 | 9.2 | 0.565 | 0.554 |
| 50 | 19/1.78 | 8.9 | 0.391 | 0.387 | 396/0.40 | 10.6 | 0.393 | 0.386 |
| 70 | 19/2.14 | 10.7 | 0.270 | 0.268 | 360/0.50 | 12.5 | 0.277 | 0.272 |
| 95 | 19/2.52 | 12.6 | 0.195 | 0.193 | 475/0.50 | 14.9 | 0.210 | 0.206 |
| 120 | 37/2.03 | 14.2 | 0.154 | 0.153 | 608/0.50 | 16.7 | 0.164 | 0.161 |
| 150 | 37/2.25 | 15.8 | 0.126 | 0.124 | 756/0.50 | 18.5 | 0.132 | 0.129 |
| 185 | 37/2.52 | 17.7 | 0.100 | 0.0991 | 925/0.50 | 20.5 | 0.108 | 0.106 |
| 240 | 37/2.85 | 20.0 | 0.0762 | 0.0754 | 1221/0.50 | 23.5 | 0.0817 | 0.0801 |
| 300 | 61/2.52 | 22.7 | 0.0607 | 0.0601 | 1525/0.50 | 26.5 | 0.0654 | 0.0641 |
| 400 | 61/2.85 | 25.6 | 0.0475 | 0.0470 | 2013/0.50 | 30.0 | 0.0495 | 0.0486 |
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