66-550kv Underground Cable
Application
This product is applicable to being fixedly laid on th transmission and distribution line of rated voltages from 66kV up to 500kV with the use for power transmission and distribution.Laying site for instance in tunnel,pipeline and soil to transport electrical energy.Allow for high fall or vertical installition.
Applicable Standards
IEC60840 IEC62067 HD632 ANSI/ICEA S-108-720 GB/T22078,GB/T18890,GB/T11017,GB/T31489 or the standards agreed by both of the customers and us.
- Application
- Construction
- Parameter
- Message
Application
This product is applicable to being fixedly laid on th transmission and distribution line of rated voltages from 66kV up to 500kV with the use for power transmission and distribution.Laying site for instance in tunnel,pipeline and soil to transport electrical energy.Allow for high fall or vertical installition.
Applicable Standards
IEC60840 IEC62067 HD632 ANSI/ICEA S-108-720 GB/T22078,GB/T18890,GB/T11017,GB/T31489 or the standards agreed by both of the customers and us.
Construction
- Conductor: Plain circular compacted copper or aluminum conductor for≤800 mm2,Compacted miliken copper or aluminum conductor with separator tape for>800 mm2.
- Conductor-screen: Extruded semi-conductive cross linked polyethylene.
- Insulation: Extruded supper clean cross linked polyethylene.
- Insulation-screen:Extruded bonded semi-conductive cross linked polyethylene.
- Block water buffering layer: Helically applied swellable tape.
- Metallic sheath: Corrugated aluminum (or copper)sheath,lead sheath and aluminum-polymer laminated sheath can be applied as metallic sheath of the HV power cable.A layer of annealed copper wires can be added as a metallic screen to meet the short-circuit current requirements during ground faults.current.
- Asphalt: Black asphalt coating
- Jacket and Graphite: Extruded polyethylene or PVC jacket,Graphite coating on outer sheath surface.
Technical Characteristics
- Scope of voltage grade and core number and cross-section
- 38/66KV Conductor/XLPE/CWSILAT(Longitudinal Aluminum Plastic Tape)/HDPE power cable
- 64/110KV Conductor/XLPE/CWS/LAT(Longitudinal Aluminum Plastic Tape)/HDPE power cable
- 76/132KV Conductor/XLPE/CAS(Corrugated Aluminum Sheath)HDPE power cable
- 87/150KV Conductor/XLPE/CAS(Corrugated Aluminum Sheath)/HDPE power cable
- 64/110KV Conductor/XLPE/LS(Lead sheath)HDPE power cable
- 127/220KV Conductor/XLPELS(Lead sheath)/HDPE power cable
a) National standard
|
Rated Voltage(kV) |
36/66 |
64/110 |
76/132 |
85/150 |
1271220 |
160/275 |
190/330 |
220/380 |
290/500 |
|
Core Number |
|
1core |
|||||||
|
Cross-section mm² |
185-2000 |
400-2500 |
800-2500 |
||||||
b) IEC/BS/DIN standard
|
Rated Voltage(kV) |
36/63 |
52/90 |
64/110 |
76/132 |
87/150 |
130/225 |
160/275 |
200/345 |
230/400 |
290/500 |
|
|
Core Number |
1core |
||||||||||
|
Cross-section mm² |
185-2000 |
400-2500 |
800-2500 |
||||||||
c) ASTM standard
|
Rated Voltage(KV) |
69 |
115 |
120 |
138 |
161 |
230 |
345 |
|
Core Number |
1Core |
||||||
|
Cross-section kcmil |
250-4000 |
750-4000 |
1000-4000 |
||||
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Copper wire screen section |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Current Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
|||||||
|
Direct In Soil |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm2 |
mm |
kg/m |
kg/m |
Ohmkm |
Ohmlkm |
A |
A |
A |
A |
|
150 |
14.3 |
12.0 |
50 |
55.2 |
3.9 |
2.9 |
0.124 |
0.206 |
410 |
478 |
315 |
370 |
|
185 |
16.1 |
12.0 |
50 |
57.1 |
4.3 |
3.2 |
0.0991 |
0.164 |
465 |
546 |
370 |
410 |
|
240 |
18.4 |
12.0 |
95 |
59.6 |
5.4 |
3.9 |
0.0754 |
0.125 |
540 |
645 |
436 |
474 |
|
300 |
20.6 |
12.0 |
95 |
61.8 |
5.9 |
4.2 |
0.0601 |
0.100 |
615 |
740 |
500 |
552 |
|
400 |
23.5 |
12.0 |
95 |
64.9 |
6.8 |
4.7 |
0.047 |
0.0778 |
695 |
856 |
574 |
657 |
|
500 |
26.6 |
12.0 |
95 |
68.2 |
8 |
5.1 |
0.0366 |
0.0605 |
790 |
992 |
662 |
750 |
|
630 |
29.9 |
12.0 |
95 |
71.7 |
9.5 |
5.8 |
0.283 |
0.0469 |
895 |
1139 |
758 |
888 |
|
800 |
33.6 |
12.0 |
95 |
78.2 |
11.3 |
6.3 |
0.0221 |
0.0367 |
998 |
1291 |
861 |
1045 |
|
1000* |
38.7 |
12.0 |
95 |
82.5 |
13.6 |
7.5 |
0.0176 |
0.0291 |
1100 |
1444 |
1003 |
1177 |
|
1200* |
41.9 |
12.0 |
95 |
85.9 |
15.4 |
8.4 |
0.0151 |
0.0247 |
1290 |
1754 |
1105 |
1333 |
|
1600* |
48.6 |
12.0 |
95 |
93.1 |
19.5 |
9.6 |
0.0113 |
0.0186 |
1485 |
2058 |
1215 |
1634 |
|
2000* |
54.8 |
12.0 |
95 |
99.7 |
23.6 |
11.3 |
0.009 |
0.0149 |
1620 |
2284 |
1415 |
1900 |
Note:
1. *means segment stranded (Milliken)
2. Trefoil arrangement;Maximum conductor temperature 90℃:Ambient air temperature 40℃:Ground temperature 25℃:Depth of laying 1.5m:Thermal resistivity of soil 1.0 K.m/W.Earthing method:Single-end bonding or Cross-bonding.
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Copper wire screen section |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Current Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
|||||||
|
Direct In Sail |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm2 |
mm |
kg/m |
kg/m |
Ohm/km |
Ohm/km |
A |
A |
A |
A |
|
300 |
20.6 |
16.0 |
95 |
68.2 |
6.5 |
4.6 |
0.0601 |
0.100 |
613 |
746 |
495 |
558 |
|
400 |
23.5 |
16.0 |
95 |
71.3 |
7.4 |
4.9 |
0.047 |
0.0778 |
692 |
861 |
568 |
662 |
|
500 |
26.6 |
16.0 |
95 |
74.6 |
8.6 |
5.5 |
0.0366 |
0.0605 |
788 |
992 |
654 |
754 |
|
630 |
29.9 |
16.0 |
95 |
78.2 |
10.2 |
6.3 |
0.283 |
0.0469 |
890 |
1139 |
750 |
892 |
|
800 |
33.6 |
16.0 |
95 |
84.8 |
12.3 |
7.3 |
0.0221 |
0.0367 |
994 |
1297 |
854 |
1051 |
|
1000* |
38.7 |
16.0 |
95 |
89.1 |
14.7 |
8.5 |
0.0176 |
0.0291 |
1095 |
1449 |
995 |
1182 |
|
1200* |
41.9 |
16.0 |
95 |
92.5 |
16.5 |
9.0 |
0.0151 |
0.0247 |
1285 |
1758 |
1095 |
1338 |
|
1600* |
48.6 |
16.0 |
95 |
99.7 |
20.6 |
10.6 |
0.0113 |
0.0186 |
1475 |
2062 |
1205 |
1641 |
|
2000* |
54.8 |
16.0 |
95 |
106.3 |
24.8 |
12.4 |
0.009 |
0.0149 |
1605 |
2288 |
1405 |
1912 |
Note:
1. *means segment stranded (Milliken)
2. Trefoil arrangement;Maximum conductor temperature 90℃:Ambient air temperature 40℃;Ground temperature 25℃;Depth of laying 1.5m;Thermal resistivity of soil 1.0 K.m/W.Earthing method:Single-end bonding or Cross-bonding.
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Thickness of aluminium corrugated sheath |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Current Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper Aluminum conductor conductor |
Copper conductor |
Aluminum conductor |
||||||||
|
Direct In Soil |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm |
mm |
kg/m |
kg/m |
Ohm/km |
Ohm/km |
A |
A |
A |
A |
|
300 |
20.6 |
18.0 |
2.0 |
88.6 |
7.9 |
6 |
0.0601 |
0.100 |
610 |
748 |
495 |
559 |
|
400 |
23.5 |
18.0 |
2.0 |
91.5 |
8.92 |
6.4 |
0.047 |
0.0778 |
690 |
864 |
568 |
664 |
|
500 |
26.6 |
18.0 |
2.0 |
95 |
10.2 |
7.1 |
0.0366 |
0.0605 |
785 |
996 |
654 |
756 |
|
630 |
29.9 |
18.0 |
2.0 |
99.3 |
11.9 |
8 |
0.283 |
0.0469 |
890 |
1142 |
750 |
894 |
|
800 |
33.6 |
18.0 |
2.0 |
103 |
13.9 |
8.9 |
0.0221 |
0.0367 |
995 |
1300 |
854 |
1054 |
|
1000* |
38.7 |
18.0 |
2.3 |
109.4 |
18 |
11.8 |
0.0176 |
0.0291 |
1095 |
1452 |
995 |
1188 |
|
1200* |
41.9 |
18.0 |
2.3 |
113.4 |
20.2 |
12.7 |
0.0151 |
0.0247 |
1280 |
1745 |
1095 |
1342 |
|
1600* |
48.6 |
18.0 |
2.3 |
120.3 |
24.7 |
14.7 |
0.0113 |
0.0186 |
1470 |
2052 |
1205 |
1645 |
|
2000* |
54.8 |
18.0 |
2.3 |
125.6 |
28.4 |
16.0 |
0.009 |
0.0149 |
1601 |
2274 |
1405 |
1919 |
Note:
1. *means segment stranded (Milliken)
2.Trefoil arrangementMaximum conductor temperature 90℃;Ambient air temperature 40℃;Ground temperature 25℃;Depth of laing 1.5m;Thermal esistivity of soil 1.0 K.m/W.Earthing method:Single-end bonding or Cross-bonding.
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Thickness of aluminium corrugated sheath |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Current Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
|||||||
|
Direct In Soil |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm |
mm |
kg/m |
kg/m |
Ohm/km |
Ohm/km |
A |
A |
A |
A |
|
300 |
20.6 |
19.0 |
2 |
89.6 |
8.03 |
6.1 |
0.0601 |
0.100 |
608 |
750 |
492 |
560 |
|
400 |
23.5 |
19.0 |
2 |
92.5 |
9.05 |
6.5 |
0.047 |
0.0778 |
685 |
869 |
564 |
665 |
|
500 |
26.6 |
19.0 |
2 |
96 |
10.4 |
7.3 |
0.0366 |
0.0605 |
782 |
999 |
652 |
758 |
|
630 |
29.9 |
19.0 |
2 |
101.3 |
12.1 |
8.2 |
0.283 |
0.0469 |
885 |
1145 |
745 |
896 |
|
800 |
33.6 |
19.0 |
2 |
105 |
14.1 |
9.2 |
0.0221 |
0.0367 |
990 |
1302 |
852 |
1058 |
|
1000* |
38.7 |
19.0 |
2.3 |
111.4 |
18.2 |
12.0 |
0.0176 |
0.0291 |
1092 |
1456 |
994 |
1192 |
|
1200* |
41.9 |
19.0 |
2.3 |
115.4 |
20.3 |
12.9 |
0.0151 |
0.0247 |
1275 |
1748 |
1091 |
1344 |
|
1600* |
48.6 |
19.0 |
2.3 |
122.3 |
24.8 |
14.9 |
0.0113 |
0.0186 |
1465 |
2055 |
1200 |
1648 |
|
2000* |
54.8 |
19.0 |
2.3 |
127.6 |
28.8 |
16.4 |
0.009 |
0.0149 |
1595 |
2278 |
1400 |
1921 |
Note:
1. 'means segment stranded (Milliken)
2. Trefoil arrangement;Maximum conductor temperature 90℃;Ambient air temperature 40℃;Ground temperature 25℃;Depth of laying 1.5m;Thermal resistivity of soil 1.0 K.mW.Earthing method:Single-end bonding o Cross-bonding.
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Thickness of lead sheath |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Curent Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
|||||||
|
Direct In Sail |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm |
mm |
kg/m |
kg/m |
Ohm/km |
Ohm/km |
A |
A |
A |
A |
|
300 |
20.6 |
18.5 |
2.6 |
78.8 |
12.9 |
11 |
0.0601 |
0.100 |
613 |
746 |
495 |
558 |
|
400 |
23.5 |
17.5 |
2.7 |
79.9 |
14 |
11.5 |
0.047 |
0.0778 |
692 |
861 |
568 |
662 |
|
500 |
26.6 |
17 |
2.7 |
82 |
15.3 |
12.2 |
0.0366 |
0.0605 |
788 |
992 |
654 |
754 |
|
630 |
29.9 |
16.5 |
2.8 |
85.5 |
17.4 |
13.4 |
0.283 |
0.0469 |
890 |
1139 |
750 |
892 |
|
800 |
33.6 |
16 |
2.9 |
89 |
19.9 |
14.9 |
0.0221 |
0.0367 |
994 |
1297 |
854 |
1051 |
|
1000* |
38.7 |
16 |
3.0 |
94.3 |
23.2 |
17 |
0.0176 |
0.0291 |
1095 |
1449 |
995 |
1182 |
|
1200* |
41.9 |
16 |
3.1 |
98.7 |
25.8 |
18.3 |
0.0151 |
0.0247 |
1285 |
1758 |
1095 |
1338 |
|
1600* |
48.6 |
16 |
3.3 |
105.8 |
31.4 |
21.4 |
0.0113 |
0.0186 |
1475 |
2062 |
1205 |
1641 |
|
2000* |
54.8 |
16 |
3.3 |
112 |
36.3 |
23.9 |
0.009 |
0.0149 |
1605 |
2288 |
1405 |
1912 |
Note:
1. *means segment stranded (Milliken)
2. Trefoilarrangement;Maximum conductor temperature 90℃:Ambient air temperature 40℃;Ground temperature 25℃;Depth of laying 1.5m;Thermal resistivity of soil 1.0 K.m/W.Earthing method:Single-end bonding or Cross-bonding.
|
Cross section of conductor |
Appro.diameter of conductor |
Average thickness |
Thickness of lead sheath |
Appro.outer diameter of cable |
Approx.Weight |
Max.DC Resistance at 20℃ |
Current Rating |
|||||
|
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
Copper conductor |
Aluminum conductor |
|||||||
|
Direct In Soil |
In air |
Direct In Soil |
In air |
|||||||||
|
mm2 |
mm |
mm |
mm |
mm |
kg/m |
kg/m |
Ohm/km |
Ohmkm |
A |
A |
A |
A |
|
400 |
23.5 |
27 |
2.7 |
101 |
18.5 |
16 |
0.047 |
0.0778 |
680 |
872 |
560 |
668 |
|
500 |
26.6 |
27 |
2.8 |
104 |
20.1 |
17 |
0.0366 |
0.0605 |
780 |
1002 |
648 |
760 |
|
630 |
29.9 |
26 |
2.8 |
105 |
21.8 |
17.9 |
0.283 |
0.0469 |
880 |
1149 |
740 |
899 |
|
800 |
33.6 |
25 |
2.9 |
107 |
23.7 |
18.7 |
0.0221 |
0.0367 |
985 |
1308 |
848 |
1062 |
|
1000* |
38.7 |
24 |
3.0 |
111.2 |
26.2 |
20.0 |
0.0176 |
0.0291 |
1084 |
1462 |
990 |
1203 |
|
1200* |
41.9 |
24 |
3.1 |
115.6 |
29.1 |
21.6 |
0.0151 |
0.0247 |
1268 |
1752 |
1082 |
1348 |
|
1600* |
48.6 |
24 |
3.3 |
122.2 |
34.8 |
24.8 |
0.0113 |
0.0186 |
1458 |
2060 |
1195 |
1653 |
|
2000* |
54.8 |
24 |
3.4 |
127.8 |
40.0 |
27.6 |
0.009 |
0.0149 |
1590 |
2282 |
1392 |
1925 |
Note:
1. means segment stranded (Milliken)
2. Trefoil arrangement;Maximum conductor temperature 90℃;Ambient air temperature 40℃;Ground temperature 25℃;Depth of laying 1.5m;Thermal resistivity of soil 1.0 K.mW.Earthing method:Single-end bonding or Cross-bonding.
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