Structure Design:

Applications:
1. Commonly used in newly built overhead power lines.
2. Can meet the requirements of big number of fibers and ultra high voltage(UHV) transmission lines.
3. Can provide protection against lightning by transmitting large fault short-circuit current.
Main Features:
Stable structure, high reliability. Able to obtain the second optical fiber excess-length. Excellent resistance to distortion and side pressure. Can withstand high mechanical stress, and excellent lighting protection performance.
Standard:
ITU-TG.652 |
Characteristics of a single mode optical fiber. |
ITU-TG.655 |
Characteristics of a non-zero dispersion -shifted single mode fibers optical. |
EIA/TIA598 B |
Col code of fiber optic cables. |
IEC 60794-4-10 |
Aerial optical cables along electrical power lines-family specification for OPGW. |
IEC 60794-1-2 |
Optical fiber cables -part test procedures. |
IEEE1138-2009 |
IEEE Standard for testing and performance for optical ground wire for use on electric utility power lines. |
IEC 61232 |
Aluminum -Clad steel wire for electrical purposes. |
IEC60104 |
Aluminum magnesium silicon alloy wire for overhead line conductors. |
IEC 6108 |
Round wire concentric lay overhead electrical stranded conductors. |
Optical Fibre Characteristics:
|
Attenuation |
Bandwidth |
Polarization Mode Dispersion |
@850nm |
@1300nm |
@1310nm |
@1550nm |
@850nm |
@1300nm |
Individual Fibre |
Design Link Value (M=20, Q=0.01%) |
G652D |
— |
— |
≤0.35dB/km |
≤0.21dB/km |
— |
— |
≤0.20ps/ km |
≤0.1ps/ km |
G655 |
— |
— |
— |
≤0.22dB/km |
— |
— |
≤0.20ps/ km |
≤0.1ps/ km |
50/125μm |
≤3.0dB/km |
≤1.0dB/km |
— |
— |
≥600MHz.km |
≥1200MHz.km |
— |
— |
62.5/125μm |
≤3.5dB/km |
≤1.0dB/km |
— |
— |
≥200MHz.km |
≥600MHz.km |
— |
— |
Cable Technical Parameter:
Typical design for Double Layer:
Specification |
Fiber Count |
Diameter(mm) |
Weight (kg/km) |
RTS(KN) |
Short Circuit (KA2s) |
OPGW-89[55.4;62.9] |
24 |
12.6 |
381 |
55.4 |
62.9 |
OPGW-110[90.0;86.9] |
24 |
14 |
600 |
90 |
86.9 |
OPGW-104[64.6;85.6] |
28 |
13.6 |
441 |
64.6 |
85.6 |
OPGW-127[79.0;129.5] |
36 |
15 |
537 |
79 |
129.5 |
OPGW-137[85.0;148.5] |
36 |
15.6 |
575 |
85 |
148.5 |
OPGW-145[98.6;162.3] |
48 |
16 |
719 |
98.6 |
162.3 |
Typical design for Three Layer:
Specification |
Fiber Count |
Diameter(mm) |
Weight (kg/km) |
RTS(KN) |
Short Circuit (KA2s) |
OPGW-232[343.0;191.4] |
28 |
20.15 |
1696 |
343 |
191.4 |
OPGW-254[116.5;554.6] |
36 |
21 |
889 |
116.5 |
554.6 |
OPGW-347[366.9;687.7] |
48 |
24.7 |
2157 |
366.9 |
687.7 |
OPGW-282[358.7;372.1] |
96 |
22.5 |
1938 |
358.7 |
372.1 |
Remarks: Detail requirements need to be sent to us for cable design and price calculation. Below requirements are a must:
A, Power transmission line voltage level
B, fiber count
C, Cable structure drawing & diameter
D, Tensile strength
F, Short circuit capacity
Mechanical and Environmental Test Characteristics:
Item |
Test Method |
Requirements
|
Tension |
IEC 60794-1-2-E1Load: according to cable structure Sample length: no less than 10m, linked length no less than100mDuration time: 1min |
40%RTS no additional fibre strain(0.01%), no additional attenuation (0.03dB).60%RTS fibre strain≤0.25%,additional attenuation≤0.05dB (No additional attenuation after test). |
Crush |
IEC 60794-1-2-E3Load: according to above table, three pointsDuration time: 10min |
Additional attenuation at 1550nm ≤0.05dB/fibre; No damage to the elements |
Water Penetration |
IEC 60794-1-2-F5BTime : 1 hour Sample length: 0.5mWater height: 1m |
No water leakage. |
Temperature Cycling |
IEC 60794-1-2-F1Sample length: No less than 500mTemperature range: -40℃ to +65℃ Cycles: 2 Temperature cycling test dwell time: 12h |
The change in attenuation coefficient shall be less than 0.1dB/km at 1550nm. |
How to Ensure the Quality and Performance of Your Fiber Optic Cable?
We control the products quality from the raw material to the finish produts All the raw material should be tested to match the Rohs standard when they arrived at our manufacture.We control the quality during the producing process by advanced technology and equipments. We test the finished products according to the test standard. Approved by various professional optical and communication product institution , GL also conduct various in-house testing in its own Laboratory and Test Center. We also conduct test with special arrangement with the Chinese Government Ministry of Quality Supervision & Inspection Center of Optical Communication Products(QSICO).
Quality Control - Test Equipment and Standard:
Feedback: In order to meet the world’s highest quality standards, we continuously monitor feedback from our customers. For comments and suggestions, please, contact us, Email: inquiry@gl-fibercable.com.