Sea optical fibre cables
Description
Trunk cables with remote supply
The cables designed for transmission of information over long distances and power supply of repeating equipment and signal amplifiers.
Specifications
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|
| Fig.1 – Cable OK-GS27-8Å-1×0,8-84 |
Fig.2 - Cable ÎÊ-GS33-12Å-1×0,4-240 |
Table 1 – Mechanical and electrical characteristics of trunk cables
|
Cable type |
Breaking load, kN, not less |
Resistance of conductor, Îhì/km, not over |
Resistance of insulation , ÌÎhm•km, not less |
Voltage, V |
Weight of cable, kg, not over |
Hydrostatic pressure, ÌPà |
|
ÎÊ-GS27-8Å-1×0,8-84 |
84 |
0,8 |
20 000 |
8 000 |
570 |
50 |
|
ÎÊ-GS32-8Å-1×0,8-84 |
84 |
0,8 |
20 000 |
8 000 |
900 |
50 |
|
ÎÊ-GS33-12Å-1×0,4-240 |
240 |
0,4 |
20 000 |
12 000 |
2 100 |
50 |
|
ÎÊ-GS43-8Å-1×0,8-120 |
120 |
0,8 |
20 000 |
8 000 |
800 |
50 |
|
ÎÊ-GS47-8Å-1×0,7-50 |
50 |
0,7 |
20 000 |
8 000 |
590 |
50 |
|
ÎÊ-GS52-8Å-1×0,7-50 |
50 |
0,7 |
20 000 |
8 000 |
590 |
50 |
|
ÎÊ-GS53-8Å-1×0,7-32 |
32 |
0,7 |
20 000 |
8 000 |
490 |
50 |
|
ÎÊ-GS55-8Å-1×0,4-64 |
64 |
0,4 |
20 000 |
8 000 |
940 |
50 |
|
ÎÊ-GS58-8Å-1×0,8-120 |
120 |
0,8 |
20 000 |
5 000 |
980 |
50 |
|
ÎÊ-GS60-8Å-1×0,4-84 |
84 |
0,4 |
20 000 |
7 000 |
710 |
50 |
|
ÎÊ-GS61-8Å-1×0,4-90 |
90 |
0,4 |
20 000 |
7 000 |
1 086 |
50 |
|
ÎÊ-GS62-8Å-1×0,4-140 |
140 |
0,4 |
20 000 |
7 000 |
937 |
50 |
|
|
240 |
0,4 |
20 000 |
12 000 |
2 100 |
50 |
|
ÎÊ-GS64-8Å-1×0,7-50 |
50 |
0,7 |
20 000 |
8 000 |
590 |
50 |
|
ÎÊ-GS65-8Å-1×0,4-64 |
64 |
0,7 |
20 000 |
8 000 |
940 |
50 |
|
|
240 |
0,4 |
20 000 |
12 000 |
2 100 |
50 |
|
ÊÌ 8Åp-1×22,0-120 |
120 |
0,8 |
20 000 |
5 000 |
1 000 |
50 |
|
|
120 |
1,0 |
20 000 |
5 000 |
1 000 |
50 |
Communication and control cables Cables designed to provide communication between subsea objects over optical data transmission and power supply of equipment.
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| Fig.3 - Cable ÎÊ-GS21-8Å-2×4,5-28 1 – optical communication channel 2 – current conductor À 3 – insulation 4 – current conductor B 5 – insulation 6 – load carrying element 7 – sheath | Fig.4 – Cable ÎÊ-GS57-8Å-1×4,5-25
|
Table 2 – Mechanical and electric characteristics of communication cables
|
Cable type |
Breaking load, kN, not less |
Resistance of conductor, Îhì/km, not over |
Resistance of insulation, ÌÎhì•km, not less |
Voltage, V |
Weight of cable, kg, not over |
Hydrostatic pressure, ÌPà |
|
ÎÊ-GS21-8Å-2×4,5-28 |
28 |
4,5 |
1000 |
300 |
210 |
50 |
|
|
25 |
4,5 |
2000 |
1500 |
110 |
50 |
Combined antenna-trunk
cables
Antenna-trunk cables designed for data transmission over
long distances and they are a part of registering equipment also.
Fig.5 – Cable type ÊÀÌ 8Åm-(1×19+2×1,5+18×(2×0,2)Ý)-120
1 – optical communication channel, 2 – high voltage current conductor, 3 – sealant, 4 – wind,5– insulation, 6 – screen, 7 – 1-wind of load carrying element, 8 - 2-wind of load carrying element, 9 – sheath, 10 – power current conductor, 11 – insulation of power conductor, 12 – current conductor of twisted pair, 13 – conductor insulation of twisted pair, 14 – filler, 15 – screen of twisted pair, 16 – core, 17 – sheath
Table 3 – Mechanical and electric characteristics of combined antenna trunk cable
|
Cable ÊÀÌ 8Åm-(1×19+2×1,5+18×(2×0,2)Ý)-120 |
|
|
Breaking load, kN, not less |
120 |
|
Resistance of high voltage conductor, Îhm/km, not over |
1,0 |
|
Resistance of inulation of high voltage conductor, ÌÎhm•km, not less |
20 000 |
|
Resistance of power conductor, Îhm/km, not over |
13,2 |
|
Resistance of insulation of power conductor, ÌÎhm•km, not less |
10 000 |
|
Resistance of conductor of twisted pair, Îhm/km, not over |
89,1 |
|
Wave resistance, Îhm |
105±15 |
|
Attenuation ratio on frequency 10 ÌHz, dB/km, not over |
85 |
|
Weight of cable, kg, not over |
1 610 |
Load carrying cables-ropes
The cables are designed to provide a pulling force between sea surface and subsea objects and simultaneous transmission of information (through optic fibres) and current (through current conductors).
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|
Fig.6 – Cable KG
ÊÃ (3×4,0+2×0,5+6Å)-190-90 | Fig.7 – CableKG (6×4,0+6E)-240-90 |
Table 4 – Mechanical and electrical characteristics of cables-ropes
|
Cable type |
Breaking load, kN, not less |
Resistance of current conductor, Îhm/km, not over |
Resistance of insulation, ÌÎhm•km, not less |
Weight of cable, kg, not over |
Hydrostatic pressure, ÌPà |
|
|
200 |
4,89 50,0 |
10 000 |
1 320 |
63 |
|
ÊG (3×8,0+3×2Å)-240-90 |
240 |
2,45 |
10 000 |
1 850 |
63 |
|
|
240 |
4,98 |
10 000 |
1 850 |
63 |