XLPE insulated power cable
Application
XLPE insulated power cable has a number of advantages over paper insulated and PVC insulated cable. XLPE cable has high electric strength, mechanical strength, high-ageing resisting, environmental stress resisting aiti-chemical, corrosion, and simple construction, using convenient and higher operating of long term temperature. It can be laid with no drop restriction. Various of flame-retardant XLPE cable can be manufactured with three technology. The flame-retardant cable covers all kinds of low-smoke, halogen free, and non-smoke non-halogenated and three classes of A,B,C.
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Standards
The power cable is manufactured according to IEC 60502-1:2004.
It is suitable to be laid in the power cable line with rated voltage of 0.6/1kv (U0/U) for power transmission.
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Construction
Type No. of Core Nominal cross-section
| Type | No. of Core | Nominal cross-section |
| Cu(AL)/XLPE(PVC)/PVC(PE) Cu(AL)/XLPE(PVC)/ATA/PVC(PE)Cu(AL)/XLPE/AWA/PVC(PE) |
1 | 1.5-1000 |
| Cu(AL)/XLPE(PVC)/STA/PVC(PE) Cu(AL)/XLPE(PVC)/SWA/PVC(PE) |
2,3,4,5 | 1.5-400 |
| 3+1,4+1,3+2 | 2.5-400 |
Cross-section area of neutral conductor
| Nominal cross-section | Main core | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 |
| Neutral core | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 16 | 25 | |
| Nominal cross-section | Main core | 70 | 95 | 120 | 150 | 185 | 240 | 300 | 400 |
| Neutral core | 35 | 50 | 70 | 70 | 95 | 120 | 150 | 185 |
Characteristic
D.C Resistance of finished cable at 20ºC per km is not more than the following:
| Nominal cross-section mm2 | 15 | 2.5 | 4 | 6 | 10 | 16 | 25 |
| Cu core | 12.1 | 7.41 | 4.61 | 3.08 | 1.83 | 1.15 | 0.727 |
| Al core | 18.1 | 12.1 | 7.41 | 4.61 | 3.08 | 1.91 | 1.20 |
| Nominal cross-section mm2 | 35 | 50 | 70 | 95 | 120 | 150 | 185 |
| Cu core | 0.524 | 0.387 | 0.268 | 0.193 | 0.153 | 0.124 | 0.0991 |
| Al core | 0.868 | 0.641 | 0.443 | 0.320 | 0.253 | 0.206 | 0.164 |
| Nominal cross-section mm2 | 240 | 300 | 400 | 500 | 630 | 800 | 1000 |
| Cu core | 0.0754 | 0.0601 | 0.0470 | 0.0366 | 0.0283 | 0.0221 | 0.0176 |
| Al core | 0.125 | 0.100 | 0.0778 | 0.0605 | 0.0469 | 0.0367 | 0.0291 |
Drawing:
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