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Power Cables |  |
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Power Cables
BS 6622 Single Core Unarmoured (Copper Wire Screened) 6.6kV XLPE Stranded Copper Conductors
Construction
Cross-sectional area mmsq |
Minimum average thickness of insulation mm |
Nominal diameter over insulation
|
Nominal area of copperwire screen mmsq |
Nominal average thickness of PVC oversheath |
Nominal overall diameter of cable mm |
50 |
2.5 |
15.0 |
16.0 |
1.6 |
21.7 |
70 |
2.5 |
16.8 |
16.0 |
1.7 |
23.5 |
95 |
2.5 |
18.5 |
16.0 |
1.7 |
25.4 |
120 |
2.5 |
20.0 |
16.0 |
1.8 |
26.9 |
150 |
2.5 |
21.3 |
16.0 |
1.8 |
28.5 |
185 |
2.5 |
23.1 |
16.0 |
1.9 |
30.3 |
240 |
2.6 |
25.5 |
25.0 |
1.9 |
32.9 |
300 |
2.8 |
28.3 |
25.0 |
2.0 |
35.9 |
400 |
3.0 |
31.4 |
35.0 |
2.2 |
39.2 |
500 |
3.2 |
34.7 |
35.0 |
2.3 |
42.8 |
630 |
3.2 |
38.1 |
35.0 |
2.4 |
46.5 |
800 |
Please refer to our technical department for further information |
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1000 |
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Installation
Cross-sectional area mmsq |
Approximate cable weight kg/m |
Nominal drum length |
Minimum bending radius mm |
Nominal internal diameter of ducts mm |
50 |
0.9 |
1000 |
350 |
100 |
70 |
1.1 |
1000 |
400 |
100 |
95 |
1.4 |
1000 |
400 |
100 |
120 |
1.7 |
1000 |
450 |
100 |
150 |
2.0 |
500 |
450 |
100 |
185 |
2.4 |
500 |
500 |
100 |
240 |
3.0 |
500 |
500 |
100 |
300 |
3.6 |
500 |
550 |
100 |
400 |
4.5 |
500 |
600 |
100 |
500 |
5.6 |
500 |
650 |
100 |
630 |
6.9 |
300 |
700 |
100 |
800 |
Please refer to our technical departmen for further information |
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1000 |
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Electrical Performance
Cross-sectional area mmsq |
Maximum DC resistance of conductor at 20 ℃ uohms/m |
Maximum AC resistance of conductor at 90 ℃ uohms/m |
Reactance at 50Hz |
Impedance at 50Hz uohms/m |
Maximum Capacitace PF/m |
Maximum charging current at normal voltage and frequency mA/m |
50 |
387 |
494 |
123.0 |
508.0 |
321.0 |
0.39 |
70 |
268 |
343 |
115.0 |
361.0 |
371.0 |
0.45 |
95 |
193 |
248 |
109.0 |
270.0 |
417.0 |
0.50 |
120 |
153 |
196 |
105.0 |
222.0 |
459.0 |
0.55 |
150 |
124 |
159 |
103.0 |
189.0 |
494.0 |
0.59 |
185 |
99.1 |
128 |
99.5 |
162.0 |
543.0 |
0.65 |
240 |
75.4 |
98 |
96.6 |
138.0 |
583.0 |
0.70 |
300 |
60.1 |
80 |
94.7 |
124.0 |
602.0 |
0.72 |
400 |
47.0 |
64 |
92.5 |
112.0 |
627.0 |
0.75 |
500 |
36.6 |
51 |
90.7 |
104.0 |
654.0 |
0.79 |
630 |
38.3 |
42 |
88.0 |
97.1 |
726.0 |
0.87 |
800 |
Please refer to our technical department for further information |
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1000 |
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Ratings
Cross-sectional area |
Current Ratings |
Short circuit ratings |
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Laid direct in ground |
Drawn into ducts |
Laid in air |
One second short circuit rating of conductor |
One second short circuit rating of copper per core |
|
50 |
220 |
225 |
250 |
6.8 |
2.6 |
70 |
270 |
270 |
310 |
9.8 |
2.6 |
95 |
320 |
320 |
375 |
13.3 |
2.6 |
120 |
360 |
360 |
430 |
17.2 |
2.6 |
150 |
410 |
400 |
490 |
21.2 |
2.6 |
185 |
460 |
440 |
560 |
26.6 |
2.6 |
240 |
530 |
505 |
660 |
34.9 |
4.3 |
300 |
600 |
560 |
760 |
43.8 |
4.3 |
400 |
680 |
610 |
880 |
57.3 |
5.8 |
500 |
750 |
680 |
1000 |
72.3 |
5.8 |
630 |
830 |
750 |
1140 |
91.2 |
5.8 |
800 |
Please refer to our technical department for further information |
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1000 |
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