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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



Fig.1 Cable OK-GS27-8-1×0,8-84
1 optical communication channel
2 current conductor
3 - winding
4 insulation
5 screen
6 winding
7 load-carrying element
8 sheath

Fig.2 - Cable -GS33-12-1×0,4-240
1 optical communication channel
2 current conductor
3 winding
4 insulation
5 screen
6 sheath
7 1-wind of armour
8 2-wind of armour
9 sheath

Table 1 Mechanical and electrical characteristics of trunk cables

Cable type

Breaking load, kN, not less

Resistance of conductor, h/km, not over

Resistance of insulation , hmkm, not less

Voltage, V

Weight of cable, kg, not over

Hydrostatic pressure, P

-GS27-8-1×0,8-84

84

0,8

20 000

8 000

570

50

-GS32-8-1×0,8-84

84

0,8

20 000

8 000

900

50

-GS33-12-1×0,4-240

240

0,4

20 000

12 000

2 100

50

-GS43-8-1×0,8-120

120

0,8

20 000

8 000

800

50

-GS47-8-1×0,7-50

50

0,7

20 000

8 000

590

50

-GS52-8-1×0,7-50

50

0,7

20 000

8 000

590

50

-GS53-8-1×0,7-32

32

0,7

20 000

8 000

490

50

-GS55-8-1×0,4-64

64

0,4

20 000

8 000

940

50

-GS58-8-1×0,8-120

120

0,8

20 000

5 000

980

50

-GS60-8-1×0,4-84

84

0,4

20 000

7 000

710

50

-GS61-8-1×0,4-90

90

0,4

20 000

7 000

1 086

50

-GS62-8-1×0,4-140

140

0,4

20 000

7 000

937

50

-GS63-12-1×0,4-240

240

0,4

20 000

12 000

2 100

50

-GS64-8-1×0,7-50

50

0,7

20 000

8 000

590

50

-GS65-8-1×0,4-64

64

0,7

20 000

8 000

940

50

-GS66-12-1×0,4-240

240

0,4

20 000

12 000

2 100

50

8p-1×22,0-120

120

0,8

20 000

5 000

1 000

50

8m-1×19,0-120

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.



Fig.3 - Cable -GS21-8-2×4,5-28
1 optical communication channel
2 current conductor
3 insulation
4 current conductor B
5 insulation
6 load carrying element
7 sheath

Fig.4 Cable -GS57-8-1×4,5-25
1 optical communication channel
2 current conductor
3 load carrying element
4 insulation
5 sheath


Table 2 Mechanical and electric characteristics of communication cables

Cable type

Breaking load, kN, not less

Resistance of conductor, h/km, not over

Resistance of insulation, hkm, not less

Voltage, V

Weight of cable, kg, not over

Hydrostatic pressure, P

-GS21-8-2×4,5-28

28

4,5

1000

300

210

50

-GS57-8-1×4,5-25

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 8m-(1×19+2×1,5+18×(2×0,2))-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 8m-(1×19+2×1,5+18×(2×0,2))-120

Breaking load, kN, not less

120

Resistance of high voltage conductor, hm/km, not over

1,0

Resistance of inulation of high voltage conductor, hmkm, not less

20 000

Resistance of power conductor, hm/km, not over

13,2

Resistance of insulation of power conductor, hmkm, not less

10 000

Resistance of conductor of twisted pair, hm/km, not over

89,1

Wave resistance, hm

10515

Attenuation ratio on frequency 10 Hz, 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).



Fig.6 Cable KG (3×4,0+2×0,5+6)-190-90
1 optical communication channel
2 sheath
3 current conductor
4 insulation
5 filler
6 current conductor B
7 insulation
8 protective sheath
9 1-wind load carrying element
10 2-wind load carrying element

Fig.7 CableKG (6×4,0+6E)-240-90
1 opticalcommunicationchannel
2 sheath
3 sheath
4 current conductor
5 insulation
6 sheath-filler
7 sheath
8 1-wind of load carrying element
9 2-wind of load carrying element

Table 4 Mechanical and electrical characteristics of cables-ropes

Cable type

Breaking load, kN, not less

Resistance of current conductor, hm/km, not over

Resistance of insulation, hmkm, not less

Weight of cable, kg, not over

Hydrostatic pressure, P

G (3×4,0+2×0,5+6)-190-90

200

4,89 50,0

10 000

1 320

63

G (3×8,0+3×2)-240-90

240

2,45

10 000

1 850

63

G (6×4,0+6E)-240-90

240

4,98

10 000

1 850

63




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