Power Transmission Line OPGW 50 12Core 24Core Stainless Steel Central Tube
Structure
The central stainless steel tube is surrounded by single layer of Aluminum Clad Steel wires (ACS wires). The tube is filled with water-resistant gel. This tube provides complete protection to the fibers from longitudinal and lateral water/moisture ingress.
The interstices in between the stainless steel tube and the metallic wires are filled with anti-corrosive grease for protection from corrosion.
The stainless steel tube is hermetically sealed by seamless welding.
Application
Photovoltaic / wind power plant /Power transmission line / substation Communication system
Replacement of existing ground wires and reconstruction of old lines.
Applicable to low-grade lines, such as GJ50/70/90 and etc.
Features
Smaller over diameter of cable ,with lighter weight of OPGW Cable, low additional load on the transmission line power tower or pole
The outer layer of OPGW optical cable is aluminum-clad steel (ACS), which has no effect on high-voltage electric corrosion and degradationThe steel tube located at the center of the cable, no second mechanical fatigue damage.
Standards
| IEC 60794-4-10 | Aerial optical cables along electrical power lines – Family specification for OPGW |
| IEEE1138-2021 | IEEE Standard for testing and performance for optical ground wire (OPGW) for use on electric utility power lines |
| IEC 61232 | Aluminum -Clad steel wire for electrical purposes. |
| IEC 61089 | Round wire concentric lay overhead electrical stranded conductors. |
| ITU-TG.652 | Characteristics of a single mode Low water peak optical fiber. |
| ITU-TG.655 | Characteristics of a non-zero dispersion -shifted single mode fibers optical. |
Typical design of OPGW
| Code | Model | Fiber core | Weight ofcable（kg/km） | Overall diameter（mm） | Break strength load（KN) | Short Circuit (KA2s) |
| OPGW50-12 | OPGW-12B1-50[58;12.4] | 12G652 | 344 | 9.6 | 61 | 12.4 |
| OPGW58-24 | OPGW-24B1-58[48.4;24.7] | 24G652D | 353 | 10.5 | 50.9 | 24.7 |
| OPGW70-24 | OPGW-24B1-70[78;24.6] | 24G652D | 464 | 11.4 | 82.1 | 24.6 |
| OPGW70-32 | OPGW-32B1-70[70;27.3] | 32G652D | 440 | 11.4 | 71.5 | 27.3 |
| OPGW55-36 | OPGW-36B1-55[60;16.4] | 36G652D | 368.5 | 10.2 | 62.9 | 16.4 |
| OPGW90-48 | OPGW-48B1-90[80;100] | 48G652D | 556 | 13.35 | 84.2 | 100 |
| OPGW65-90 | OPGW-96B1-65[60.3;31.6] | 96G652D | 363 | 11.6 | 62.4 | 31.6 |
opgw details
PACKING
TEST
APPLICATION
- OPGW cables (OPGW Earh Wire ) must be capable of withstanding the mechanical stresses applied to overhead cables by environmental factors such as wind and ice.
- OPGW must also be capable of handling electrical faults on the transmission line by providing a path to ground without damaging the sensitive optical fibers inside the cable.
CATALOGUE
EXHIBITION
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