CU/PVC/PVC 3 phase Single core PVC induslated cables
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
In 3+1cores and 3+2cores should conform to specification of following table:
| 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 |
Voltage test:
Each drum of finished cable should withstand power frequency voltage 3.5kV for 5 minutes,the insulation is not breakdown.
Service conditions and operation parameters of Cable:
The cable is applied to fixed installation for rated voltage 0.6/1kV of power transportation and distribution line.
Max. rated temperature of conductor. nominal operating 90ºC
Short circuit: max. for 5 sec.250ºC
The cable can be laid without drop restriction, and the environment temperature shall not be lower than 0ºC.
Standard
Our XLPE cable can be manufactured according to to IEC 60502,IEC60332,IEC60754.
Some indexes are superior to above international standard.
PS: we also can produce as per the BS, NFC, ASTM standard according to customer's request.
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