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OPGW Fiber Optic Cable

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Central Loose Tube OPGW Optical Ground Wire Cable

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Central Loose Tube OPGW Optical Ground Wire Cable

Replacing existing aerial ground wires,upgrading communications lines of power systems
  • product details

      OPGW cable is mainly used in 500KV, 220KV and 110KV lines, limited by power cut, security and other elements, mostly used in new lines. 

Its applications are: 

High pressure over 110kv, with a longer span (usually over 250M);
Easy to maintain, easy for line span, its mechanical property can meet a big line span; 
Outer OPGW is metal armoring, with no influence for high pressure electro-corrosion and degradation; 
To construct OPGW must cut power, resulting in greater loss, thus OPGW must be used in constructing high pressure line over 110kv;
For OPGW performance index, the more short circuit current, the more need a good conductor to be metal armor, and reduce tension strength, while, if the tension strength is certain, to increase short circuit current capacity, the only way is to enlarge metal section area, resulting in an increased cable Dia and weight, so that security is a question for line pole strength.

Features and advantages:

Extruded Aluminium Core tube
• Good combination of crush and kink resistance
• Core tube can safely and easily be routed to closures without armour
• Easy access to optical core


Superior Corrosion Resistance
• Meets IEEE construction guidelines for use in High Corrosion sites


Superior Electrical Performance
• Aluminium core tube substantially increases conductor cross-section
• Improved short-circuit capacity


Superior Lightning Resistance

• Fewer Aluminium Alloy (AA) wires are needed to meet electrical specs
• More/Heavier duty ACS wires can be used
• AA wires can be completely replaced with ACS in some applications


High performance. Even in High fibre Counts
• All fibres are housed in the core tube
• Core tubes are available in a wide range of Inside Diameters
• Armour wires are not replaced with fibre tubes in high count designs
• Electrical and mechanical properties can be maintained.

Central Optical Fiber SUS Tube Structure (Parts)

Structure Drawing

Structure:central optical fiber SUS tube structure with single stranded layer

 

Order Type Model

OPGW-1C1/36 (M48/R60-12)

OPGW-1C1/40 (M58/R72-16)

Max. fiber count

36

40

Tube size

φ3.2 mm

φ3.5mm

Cable diameter

φ9.6 mm

φ10.5 mm

Cross-section carry area

48 mm2

58 mm2

Cable weight

338 kg/km

400 kg/km

Rated Tensile Strength(RTS)

59 kN

71 kN

DC resistance at 20℃

1.782 Ω/km

1.490 Ω/km

Short current capacity (40~200℃)

11 kA2·s

16 kA2·s

Linear expansion coefficient

13.0×10-6/℃

13.0×10-6/℃

Young’s modulus

162.0 kN/mm2

162.0 kN/mm2

 

Structure Drawing

Structure:central optical fiber SUS tube structure with double stranded layers

 

Order Type Model

OPGW-2C1/30 (M127/R78-137)

OPGW-2C1/40
(M163/R100-226)

Max. fiber count

30

40

Tube size

φ3.0 mm

φ3.4 mm

Cable diameter

φ15.0 mm

φ17.0 mm

Cross-section carry area

127 mm2

163 mm2

Cable weight

529 kg/km

673 kg/km

Rated Tensile Strength(RTS)

77 kN

99 kN

DC resistance at 20℃

0.329 Ω/km

0.255 Ω/km

Short current capacity (40~200℃)

137 kA2·s

226 kA2·s

Linear expansion coefficient

17.5×10-6/℃

17.5×10-6/℃

Young’s modulus

97.3 kN/mm2

97.3 kN/mm2


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