XLPE Insulated DC High-Voltage Submarine Cable
Applications
These submarine cables are used for power transmission to offshore islands, oil platforms or to cross-rivers and lakes. Cable design based on the mayor national or international standards e.g. VDE, IEC and ICEA or according to customers design and standards.
Construction
| Conductor |
Copper conductor, water blocked. |
| Conductor Screening |
Extruded semi-conductive compound. |
| Insulation |
XLPE. |
| Insulation Screening |
Extruded semi-conductive compound. |
| Separator |
Swelling tape. |
| Core Sheath1 |
Lead Sheath. |
| Core Sheath2 |
PE sheath. |
| Bedding |
Bedding layer. |
| Armour |
Galvanized steel wires filled with bitumen compound. |
| Serving |
Polypropylene yarn. |
Electrical Data
127/220(245) kV
| Nominal Cross Section Area |
Capacitance |
Inductance |
Charging Current per phase @50Hz |
| mm^2 |
μF/km |
mH/km |
A/km |
| 500 |
0.14 |
1.42 |
5.8 |
| 630 |
0.16 |
1.40 |
6.4 |
| 800 |
0.17 |
1.37 |
6.9 |
| 1000 |
0.19 |
1.35 |
7.4 |
| 1200 |
0.20 |
1.33 |
7.8 |
| 1400 |
0.21 |
1.32 |
8.2 |
| 1600 |
0.22 |
1.31 |
8.6 |
160/275(300) kV
| Nominal Cross Section Area |
Capacitance |
Inductance |
Charging Current per phase @50Hz |
| mm^2 |
μF/km |
mH/km |
A/km |
| 500 |
0.14 |
1.42 |
6.8 |
| 630 |
0.16 |
1.40 |
7.7 |
| 800 |
0.17 |
1.37 |
8.3 |
| 1000 |
0.18 |
1.35 |
9.0 |
| 1200 |
0.19 |
1.33 |
9.5 |
| 1400 |
0.20 |
1.32 |
10.0 |
| 1600 |
0.21 |
1.31 |
10.4 |
200/345(362) kV
| Nominal Cross Section Area |
Capacitance |
Inductance |
Charging Current per phase @50Hz |
| mm^2 |
μF/km |
mH/km |
A/km |
| 630 |
0.14 |
1.40 |
8.8 |
| 800 |
0.15 |
1.37 |
9.7 |
| 1000 |
0.17 |
1.35 |
10.7 |
| 1200 |
0.18 |
1.33 |
11.1 |
| 1400 |
0.19 |
1.32 |
11.6 |
| 1600 |
0.20 |
1.31 |
12.1 |
230/400(420) kV
| Nominal Cross Section Area |
Capacitance |
Inductance |
Charging Current per phase @50Hz |
| mm^2 |
μF/km |
mH/km |
A/km |
| 630 |
0.13 |
1.40 |
9.6 |
| 800 |
0.15 |
1.37 |
10.7 |
| 1000 |
0.16 |
1.35 |
11.7 |
| 1200 |
0.18 |
1.33 |
12.9 |
| 1400 |
0.19 |
1.32 |
13.5 |
| 1600 |
0.19 |
1.31 |
14.1 |
Dimension and Weight
127/220(245) kV
| Nominal Cross Section Area |
Nominal Conductor Diameter |
Nominal Insulation Thickness |
Nominal Diameter Over Insulation |
Nomanal Lead Sheath Thickness |
Nominal Overall Diameter |
Weight |
| mm^2 |
mm |
mm |
mm |
mm |
mm |
kg/m |
| 500 |
26.2 |
24.0 |
77.6 |
2.9 |
111.0 |
29.3 |
| 630 |
29.8 |
23.0 |
79.2 |
3.0 |
112.8 |
31.2 |
| 800 |
33.7 |
23.0 |
83.1 |
3.1 |
117.5 |
34.5 |
| 1000 |
37.9 |
23.0 |
87.3 |
3.1 |
121.9 |
37.7 |
| 1200 |
41.2 |
23.0 |
90.6 |
3.1 |
125.2 |
40.4 |
| 1400 |
44.4 |
23.0 |
93.8 |
3.1 |
128.6 |
43.2 |
| 1600 |
47.4 |
23.0 |
96.8 |
3.1 |
131.8 |
46.0 |
160/275(300) kV
| Nominal Cross Section Area |
Nominal Conductor Diameter |
Nominal Insulation Thickness |
Nominal Diameter Over Insulation |
Nomanal Lead Sheath Thickness |
Nominal Overall Diameter |
Weight |
| mm^2 |
mm |
mm |
mm |
mm |
mm |
kg/m |
| 500 |
26.2 |
26.0 |
81.6 |
3.0 |
115.2 |
31.1 |
| 630 |
29.8 |
24.0 |
81.2 |
3.0 |
114.8 |
31.8 |
| 800 |
33.7 |
24.0 |
85.1 |
3.1 |
119.5 |
35.2 |
| 1000 |
37.9 |
24.0 |
89.3 |
3.1 |
123.9 |
38.4 |
| 1200 |
41.2 |
24.0 |
92.6 |
3.1 |
127.4 |
41.6 |
| 1400 |
44.4 |
24.0 |
95.8 |
3.1 |
130.6 |
44.4 |
| 1600 |
47.4 |
24.0 |
98.8 |
3.1 |
133.8 |
47.2 |
200/345(362) kV
| Nominal Cross Section Area |
Nominal Conductor Diameter |
Nominal Insulation Thickness |
Nominal Diameter Over Insulation |
Nomanal Lead Sheath Thickness |
Nominal Overall Diameter |
Weight |
| mm^2 |
mm |
mm |
mm |
mm |
mm |
kg/m |
| 630 |
29.8 |
28.0 |
89.2 |
3.1 |
123.4 |
35.2 |
| 800 |
33.7 |
27.0 |
91.1 |
3.1 |
125.9 |
37.5 |
| 1000 |
37.9 |
26.0 |
93.3 |
3.1 |
128.1 |
39.9 |
| 1200 |
41.2 |
25.0 |
94.6 |
3.1 |
129.4 |
42.0 |
| 1400 |
44.4 |
25.0 |
97.8 |
3.1 |
132.8 |
44.9 |
| 1600 |
47.4 |
25.0 |
100.8 |
3.1 |
135.8 |
47.7 |
230/400(420) kV
| Nominal Cross Section Area |
Nominal Conductor Diameter |
Nominal Insulation Thickness |
Nominal Diameter Over Insulation |
Nomanal Lead Sheath Thickness |
Nominal Overall Diameter |
Weight |
| mm^2 |
mm |
mm |
mm |
mm |
mm |
kg/m |
| 630 |
29.8 |
32.0 |
98.2 |
3.1 |
132.8 |
38.8 |
| 800 |
33.7 |
30.0 |
98.1 |
3.1 |
133.1 |
40.2 |
| 1000 |
37.9 |
29.0 |
100.3 |
3.1 |
135.3 |
42.6 |
| 1200 |
41.2 |
27.0 |
99.6 |
3.1 |
134.6 |
44.0 |
| 1400 |
44.4 |
27.0 |
102.8 |
3.1 |
138.0 |
46.9 |
| 1600 |
47.4 |
27.0 |
105.8 |
3.1 |
141.0 |
49.7 |
