Power Cables | ||||||||||||||
Power Cables
BS 6622 Single Core Unarmoured (Copper Wire Screen) 22KV XLPE Stranded Copper Conductors
Construction
cross-sectional area mmsq |
Minimum average thickness of insulation mm |
Nominal diameter over insulation
|
Nominal area of copper wire screen |
Nominal average thickness of PVC oversheath |
Nominal overall diameter of cable mm |
50 |
5.5 |
21.6 |
16 |
1.8 |
28.8 |
70 |
5.5 |
23.4 |
16 |
1.9 |
30.6 |
95 |
5.5 |
25.1 |
16 |
1.9 |
32.5 |
120 |
5.5 |
26.6 |
16 |
2.0 |
34.0 |
150 |
5.5 |
27.9 |
16 |
2.0 |
35.5 |
185 |
5.5 |
29.7 |
16 |
2.1 |
37.3 |
240 |
5.5 |
31.9 |
25 |
2.2 |
39.7 |
300 |
5.5 |
34.2 |
25 |
2.2 |
42.2 |
400 |
5.5 |
36.9 |
35 |
2.3 |
45.2 |
500 |
5.5 |
39.8 |
35 |
2.4 |
48.3 |
630 |
5.5 |
43.2 |
35 |
2.5 |
51.9 |
800 |
Please refer to our technical department for further information |
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1000 |
Installation
cross-sectional area mmsq |
Approximate cable weight kg/m |
Nominal drum length |
Minimum bending radius mm |
Nominal internal diameter of ducts mm |
50 |
1.2 |
1000 |
550 |
100 |
70 |
1.5 |
1000 |
600 |
100 |
95 |
1.8 |
1000 |
600 |
100 |
120 |
2 |
500 |
650 |
100 |
150 |
2.4 |
500 |
650 |
100 |
185 |
2.7 |
500 |
700 |
100 |
240 |
3.4 |
500 |
750 |
100 |
300 |
4.1 |
500 |
800 |
100 |
400 |
5 |
500 |
850 |
100 |
500 |
6.1 |
500 |
900 |
100 |
630 |
7.4 |
250 |
950 |
100 |
800 |
Please refer to our technical department for further information |
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1000 |
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 |
141 |
573 |
177 |
0.71 |
70 |
268 |
343 |
132 |
367 |
200 |
0.80 |
95 |
193 |
248 |
125 |
277 |
222 |
0.89 |
120 |
153 |
196 |
120 |
230 |
241 |
0.96 |
150 |
124 |
159 |
117 |
197 |
257 |
1.03 |
185 |
99.1 |
128 |
112 |
169 |
280 |
1.12 |
240 |
75.4 |
98 |
108 |
145 |
307 |
1.23 |
300 |
60.1 |
80 |
105 |
131 |
336 |
1.34 |
400 |
47 |
64 |
101 |
119 |
370 |
1.48 |
500 |
36.6 |
57 |
98.3 |
110 |
406 |
1.62 |
630 |
28.3 |
42 |
94.9 |
103 |
449 |
1.80 |
800 |
Please refer to our technical department for further information |
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1000 |
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 |
260 |
6.8 |
2.6 |
70 |
270 |
270 |
320 |
9.8 |
2.6 |
95 |
320 |
320 |
390 |
13.3 |
2.6 |
120 |
360 |
360 |
445 |
17.2 |
2.6 |
150 |
410 |
405 |
510 |
21.2 |
2.6 |
185 |
460 |
445 |
580 |
26.6 |
2.6 |
240 |
530 |
520 |
680 |
34.9 |
4.3 |
300 |
600 |
570 |
770 |
43.8 |
4.3 |
400 |
690 |
630 |
890 |
57.3 |
5.8 |
500 |
760 |
700 |
1020 |
72.3 |
5.8 |
630 |
850 |
780 |
1160 |
91.2 |
5.8 |
800 |
Please refer to our technical department for further information |
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1000 |