China Underground or Overhead Armoured Electric Wire Hv XLPE Copper Cable, Find details about China Romex Copper Cable, Electric Cable from Underground or Overhead Armoured Electric Wire Hv XLPE Copper Cable
Application
Extra-high-tension cable is a kind of power cable with the continuous development of cable technology. The cable is generally used as a central link in the large transmission system. It belongs to a high voltage cable with high technical content, which is mainly used for long distance power transmission.
Standard:GB 11017, IEC60840
Construction
Al/Cu Conductor, XLPE Insulation, Metal shield layer, Water-blocking layer, Metal sheath, Outer Sheath, Conductive layer
110KV Power Cable | |||||||||
Rated voltage | Conductor size | Approx. Conductor dia. | XLPE Insulation thickness | Electric Capacity | Inductance | Loss of insulation | Max. D.C. Resistance | ||
Parallel laying | Trefoil laying | Cu | Al | ||||||
KV | mm2 | mm | mm | pf/m | mh/km | mh/km | w/m | Ω/km | |
110 | 240 | 18.4 | 19 | 136 | 0.757 | 0.508 | 0.175 | 0.0754 | 0.125 |
300 | 20.6 | 18.5 | 147 | 0.734 | 0.489 | 0.19 | 0.0601 | 0.1 | |
400 | 23.5 | 17.5 | 165 | 0.708 | 0.465 | 0.212 | 0.047 | 0.0778 | |
500 | 26.6 | 17 | 182 | 0.683 | 0.445 | 0.234 | 0.0336 | 0.0605 | |
630 | 30.25 | 16.5 | 201 | 0.657 | 0.424 | 0.259 | 0.0283 | 0.0469 | |
800 | 34.23 | 16 | 224 | 0.633 | 0.406 | 0.288 | 0.0221 | 0.0367 | |
1000 | 41.4 | 16 | 265 | 0.594 | 0.386 | 0.341 | 0.0176 | 0.0291 | |
1200 | 45.28 | 16 | 282 | 0.577 | 0.375 | 0.363 | 0.0151 | 0.0247 |
Production process and Test
Workshop
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