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Fiber optic composite overhead ground wire (OPGW)
Fiber optic composite overhead ground wire (OPGW) is a type of overhead ground wire containing optical fibers, mainly used for communication lines in 35kV, 110kV,220kV, 500kV, 750kV, and newly built overhead high-voltage transmission systems. It also has both overhead ground wire and optical communication functions.It can also be used to replace the existing ground wire of old overhead high-voltage transmission systems, provide lightning protection for towers, and add optical communication lines.
- Commodity name： Fiber optic composite overhead ground wire (OPGW)
- Description
-
Description
Fiber optic composite overhead ground wire (OPGW) is a type of overhead ground wire containing optical fibers, mainly used for communication lines in 35kV, 110kV,220kV, 500kV, 750kV, and newly built overhead high-voltage transmission systems. It also has both overhead ground wire and optical communication functions.It can also be used to replace the existing ground wire of old overhead high-voltage transmission systems, provide lightning protection for towers, and add optical communication lines.
Product features
① The optical cable has a small diameter, light weight, and low additional load on the tower;② The optical fiber has a suitable surplus length in stainless steel pipes, the OPGW structure is stable, and the reliability is high.③ High tensile strength and short-circuit current capacity provide good protection for optical fibers.④ Equipped with communication and ground wire functions.Application scenariosHigh voltage overhead transmission lines above 35kV.Product specifications and structureProduct Specifications Number of stranding units Max Fiber
Number of cores (F)
Conductor
sectional area
Mm²
Outer diameter
mm
Rated
Breaking force
KN
20 ℃
DC resistance
Ω/km
Allowable short-circuit flow capacity
40~200 ℃
KA2.S
Reference
Fiber optic cable weight
kg/km
OPGW-48F-90-
[112;45]
1/2.6/20AS 4/2.5/20AS,11/2.8/20AS light unit 2/2.5 48 90 13.2 ≥ 112 ≤ 0.98 ≥ 45 ≤ 641 OPGW-24F-100-
[118;50]
1/2.6/20AS 5/2.5/20AS11/2.8/20AS Light Unit 1/2.5 24 100 13.2 ≥ 118 ≤ 0.93 ≥ 50 ≤ 674 OPGW-24F-110-
[140;68]
1/2.8/20AS 5/2.7/20AS,11/3.05/20AS light unit 1/2.6 24 110 14.3 ≥ 140 ≤ 0.80 ≥ 68 ≤ 791 OPGW-72F-120-
[96;101]
1/3.2/30AS 4/3.0/30AS,12/3.0/30AS
Light unit 2/2.9
72 120 15.2 ≥96 ≤ 0.53 ≥ 101 ≤ 711 OPGW-36F-130-
[102;114]
1/3.2/30AS 5/3.0/30A AS12/3.0/30AS Light Unit 1/2.9 36 130 15.2 ≥ 102 ≤0.50 ≥ 114 ≤ 751 OPGW-36F-140-
[175;100]
1/3.3/20AS 5/3.2/20AS,12/3.2/20AS light unit 1/3.1 36 140 16.1 ≥ 175 ≤ 0.65 ≥ 100 ≤ 995 OPGW-48F-150-
[95;195]
1/3.4/40AS 5/3.3/40AS,12/3.3/40AS light unit 1/3.2 48 150 16.6 ≥95 ≤ 0.33 ≥ 195 ≤ 747 OPGW-48F-180-
[211;175]
1/3.8/20AS 5/3.6/20AS,
12/2.6/20AS light unit 1/3.5
48 180 18.2 ≥ 211 ≤0.50 ≥ 175 ≤ 1255 OPGW-24F-40-
[51;9]
6/3.0/20AS,
Light unit 1/3.0
24 40 9.0 ≥ 51 ≤ 2.10 ≥ 9 ≤ 304 OPGW-24F-50-
[58;11.5]
6/3.2/20AS
Light Unit 1
24 50 9.6 ≥ 58 ≤ 1.82 ≥ 11.5 ≤ 345 OPGW-48F-70-
[77;24]
6/3.8/2 AS
Light unit 1/3.8
48 70 11.4 ≥ 77 ≤ 1.30 ≥ 24 ≤ 475 OPGW-48F-70-
[42;38]
6/3.8/40AS
Light unit 1/3.8
48 70 11.4 ≥ 42 ≤ 0.70 ≥ 38 ≤ 340 Note: Our company can design OPGW optical cable structures that meet the usage conditions according to user needs.Optical performanceFiber type Attenuation 1310nm mode field diameter
MFD(μm)Optical cable cutoff
Wavelength λcc(nm)@1310nm(dB/km) @1550nm(dB/km) G.652D ≤ 0.35 ≤ 0.21 (8.6-9.5)±0.6 ≤ 1260 G.655 - ≤ 0.22 (8.0-11.0)±0.6 ≤ 1450 Mechanical and environmental performance
Project Unit Parameters Mechanical properties
Mechanical
properties
Maximum tensile strength(RTS)
KN Determined according to design
Determine based on design
Maximum flattening force N/100 mm 2200/or customer requirements
2200/or customer request
Bending radius (static/dynamic) mm 15D/20D Electrical Performance Maximum low-circuit running capacity (40℃~200℃) (kA2s) Determine based on design Environmental
Operating temperature
Operating temperature
℃ -40~ 65 Transportation and storage temperature ℃ -40~ 65 Construction temperature ℃ -10~ 50 Note: D is the outer diameter of the optical cable.Product standardsThe design of OPGW products meets the requirements of DLT 832-2016 standard.Delivery lengthRecommended length: lkm, 2km; Alternatvely,itcan be supplied in segments according to customer requirements.Note: Our company can accept customized products with special performance requirements for this model.
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