BS 6622 Three Core Armoured 33kv XLPE Stranded Copper Conductors
More product about 33kv CableProduct Description
BS 6622 Three Core Armoured 33KV XLPE Stranded Copper Conductors
Construction
|
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 |
1.8 |
60/3.15 |
3.4 |
78.5 |
|
70 |
8 |
28.9 |
1.8 |
64/3.15 |
3.5 |
82.6 |
|
95 |
8 |
30.6 |
1.9 |
67/3.15 |
3.6 |
86.7 |
|
120 |
8 |
32.1 |
2.0 |
70/3.15 |
3.7 |
90.3 |
|
150 |
8 |
33.4 |
2.0 |
72/3.15 |
3.8 |
93.3 |
|
185 |
8 |
35.2 |
2.1 |
76/3.15 |
3.9 |
97.6 |
|
240 |
8 |
37.4 |
2.2 |
80/3.15 |
4.1 |
102.9 |
|
300 |
8 |
39.7 |
2.3 |
85/3.15 |
4.3 |
108.5 |
|
400 |
8 |
42.4 |
2.4 |
90/3.15 |
4.5 |
114.9 |
Installation
|
cross-sectional area mmsq |
Approximate cable weight kg/m |
Nominal drum length |
Minimum bending radius mm |
Nominal internal diameter of ducts mm |
|
50 |
9.7 |
350 |
1450 |
125 |
|
70 |
10.7 |
350 |
1500 |
125 |
|
95 |
12 |
300 |
1600 |
125 |
|
120 |
13.3 |
250 |
1650 |
150 |
|
150 |
14.4 |
250 |
1700 |
150 |
|
185 |
16.1 |
250 |
1800 |
150 |
|
240 |
18.4 |
250 |
1900 |
150 |
|
300 |
21 |
250 |
2000 |
150 |
|
400 |
24.2 |
250 |
2100 |
150 |
Electrical Performance
|
cross-sectional area mmsq |
Maximum DC resistance of conductor at 20 ºC uohms/m |
Maximum AC resistance of conductor at 90 ºC 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 |
143 |
513 |
142 |
0.85 |
|
70 |
268 |
343 |
134 |
367 |
159 |
0.95 |
|
95 |
193 |
248 |
127 |
278 |
175 |
1.05 |
|
120 |
153 |
196 |
122 |
231 |
189 |
1.13 |
|
150 |
124 |
159 |
118 |
197 |
201 |
1.21 |
|
185 |
99.1 |
128 |
114 |
171 |
217 |
1.30 |
|
240 |
75.4 |
98 |
109 |
146 |
237 |
1.42 |
|
300 |
60.1 |
80 |
105 |
131 |
258 |
1.55 |
|
400 |
47.0 |
64 |
102 |
120 |
282 |
1.69 |
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 |
210 |
185 |
225 |
6.8 |
Typically less then 1kA |
|
70 |
255 |
225 |
275 |
9.8 |
|
|
95 |
295 |
260 |
330 |
13.3 |
|
|
120 |
335 |
300 |
380 |
17.2 |
|
|
150 |
375 |
335 |
430 |
21.2 |
|
|
185 |
420 |
380 |
490 |
26.6 |
|
|
240 |
480 |
430 |
570 |
34.9 |
|
|
300 |
530 |
480 |
650 |
43.8 |
|
|
400 |
580 |
530 |
720 |
57.3 |
|
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