Power Cables | ||||||||||||||
Power Cables
BS 6622 Single Core Armoured 33KV XLPE Stranded Copper Conductors
Construction
Installation
Cross-sectional area mmsq |
Minimum average thickness of insulation mm |
Nominal diameter over insulation |
Nominal thickness of PVC bedding |
Nominal number and diameter of armoured wires no./mm |
Nominal thickness of PVC oversheath |
Nominal overall diameter of cable mm |
50 |
8 |
27.1 |
1.2 |
46/2.0 |
2.2 |
39.4 |
70 |
8 |
28.9 |
1.2 |
48/2.0 |
2.2 |
41.4 |
95 |
8 |
30.6 |
1.2 |
51/2.0 |
2.3 |
43.3 |
120 |
8 |
32.1 |
1.2 |
53/2.0 |
2.3 |
44.8 |
150 |
8 |
33.4 |
1.3 |
44/2.5 |
2.4 |
47.5 |
185 |
8 |
35.2 |
1.3 |
46/2.5 |
2.5 |
49.5 |
240 |
8 |
37.4 |
1.3 |
49/2.5 |
2.5 |
51.7 |
300 |
8 |
39.7 |
1.4 |
52/2.5 |
2.6 |
54.4 |
400 |
8 |
42.4 |
1.4 |
55/2.5 |
2.7 |
57.3 |
500 |
8 |
45.3 |
1.5 |
58/2.5 |
2.8 |
60.6 |
630 |
8 |
48.7 |
1.5 |
62/2.5 |
2.9 |
64.2 |
800 |
Please refer to our technical department for further information |
|||||
1000 |
Cross-sectional area mmsq |
Approximate cable weight kg/m |
Nominal drum length |
Minimum bending radius mm |
Nominal internal diameter of ducts mm |
50 |
2.1 |
1000 |
850 |
100 |
70 |
2.4 |
500 |
900 |
100 |
95 |
2.7 |
500 |
950 |
100 |
120 |
3.1 |
500 |
950 |
100 |
150 |
3.6 |
500 |
1000 |
100 |
185 |
4.0 |
500 |
1050 |
100 |
240 |
4.7 |
500 |
1100 |
100 |
300 |
5.5 |
500 |
1150 |
100 |
400 |
6.4 |
250 |
1250 |
100 |
500 |
7.6 |
250 |
1300 |
125 |
630 |
9.1 |
250 |
1350 |
125 |
800 |
Please refer to our technical department for further information |
|||
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 |
160 |
578 |
138 |
0.83 |
70 |
268 |
343 |
151 |
374 |
154 |
0.92 |
95 |
193 |
248 |
143 |
285 |
169 |
1.01 |
120 |
153 |
196 |
137 |
239 |
183 |
1.10 |
150 |
124 |
159 |
135 |
207 |
194 |
1.16 |
185 |
99.1 |
128 |
130 |
181 |
210 |
1.26 |
240 |
75.4 |
98 |
125 |
158 |
229 |
1.37 |
300 |
60.1 |
80 |
121 |
144 |
249 |
1.49 |
400 |
47.0 |
64 |
116 |
132 |
273 |
1.64 |
500 |
36.6 |
51 |
113 |
123 |
298 |
1.79 |
630 |
28.3 |
42 |
108 |
115 |
327 |
1.96 |
800 |
Please refer to our technical department for further information |
|||||
1000 |
Ratings
Cross-sectional area |
Current Ratings |
Short circuit ratings |
|||
Laid 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 |
210 |
260 |
6.8 |
Typically less then 1kA |
70 |
270 |
260 |
320 |
9.8 |
|
95 |
320 |
300 |
380 |
13.3 |
|
120 |
360 |
340 |
440 |
17.2 |
|
150 |
410 |
370 |
490 |
21.2 |
|
185 |
450 |
400 |
560 |
26.6 |
|
240 |
510 |
450 |
650 |
34.9 |
|
300 |
570 |
490 |
730 |
43.8 |
|
400 |
640 |
530 |
830 |
57.3 |
|
500 |
700 |
570 |
940 |
72.3 |
|
630 |
760 |
610 |
1050 |
91.2 |
|
800 |
Please refer to our technical department for further information |
||||
1000 |