OPGW - AFL AlumaCore Optical Ground Wire is preferred for its central aluminum pipe and color-coded fiber optic buffer tubes which simplify the splicing process while providing optimum fiber protection as well as long term product reliability.
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1 FIBER OPTIC CABLE © 2002, AFL, all rights reserved. PP-1-00002, Revision 10, 2.14.2024 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 Fiber Optic Cable Applications • Energy Market • Transmission • Right-of-Way • Topmost part of the structure (shield wire position) Features • Fiber counts up to 216 • Fiber bearing units similar to that of other fiber optic cable such as ADSS and underground cable • Splicer familiarity and less splicing prep time required • Aluminum pipe provides high crush resistance and good electrical performance • Ability to be sectionalized AlumaCore OPGW The AlumaCore Optical Ground Wire was AFL’s original OPGW design family dating back to 1984. OPGW provides all of the benefits of a traditional shield wire, such as providing short circuits a path to ground and protecting the circuits from lightning strikes, in addition to providing an optical pathway for communication. Cable Components Optical unit 4-position Core Aluminum clad steel wire Aluminum alloy wire Aluminum pipe continued Typical Designs FIBERS (MAX) OPGW SIZE FAULT CURRENT TOTAL CONDUCTOR AREA OVERALL DIAMETER APPROXIMATE WEIGHT APPROXIMATE RBS SAG10 CHART # MAX SHIP LENGTH (PER REEL TYPE) (kA)²sec in² mm² in mm lbs/ft kg/m lbs kgf WOOD ( m ) STEEL ( m ) 96 AC-64/528 68 0.1510 97.43 0.528 13.4 0.359 0.535 18,000 8,100 1-1450 6,580 7,000 96 AC-29/34/528 81 0.1510 97.43 0.528 13.4 0.281 0.418 12,000 5,440 1-1439 7,000 7,000 96 AC-74/552 81 0.1666 107.51 0.552 14.0 0.405 0.602 20,500 9,300 1-1453 5,820 7,000 96 AC-37/37/552 98 0.1666 107.51 0.552 14.0 0.306 0.455 13,000 6,000 1-1438 7,000 7,000 96 AC-71/571 95 0.1758 113.39 0.571 14.5 0.411 0.611 20,000 9,050 1-1461 5,780 7,000 96 AC-33/38/571 110 0.1758 113.39 0.571 14.5 0.323 0.478 13,250 6,000 1-1438 7,000 7,000 144 AC-86/646 151 0.2208 142.43 0.646 16.4 0.509 0.757 24,500 11,100 1-1461 4,640 6,600 144 AC-34/52/646 172 0.2208 142.43 0.646 16.4 0.417 0.621 17,250 7,800 1-1439 5,800 7,000 144 AC-129/724 239 0.2876 185.57 0.724 18.4 0.703 1.046 34,250 15,500 1-1453 3,360 4,700 144 AC-65/65/724 292 0.2876 185.57 0.724 18.4 0.530 0.789 21,900 9,900 1-1438 4,450 5,350
© 2002, AFL, all rights reserved. PP-1-00002, Revision 10, 2.14.2024 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 2 FIBER OPTIC CABLE Fiber Optic Cable AlumaCore OPGW Typical Designs (cont.) FIBERS (MAX) OPGW SIZE FAULT CURRENT TOTAL CONDUCTOR AREA OVERALL DIAMETER APPROXIMATE WEIGHT APPROXIMATE RBS SAG10 CHART # MAX SHIP LENGTH (PER REEL TYPE) (kA)²sec in² mm² in mm lbs/ft kg/m lbs kgf WOOD ( m ) STEEL ( m ) 216 AC-88/659 154 0.2242 144.65 0.659 16.7 0.516 0.768 25,000 11,250 1-1461 4,400 6,300 216 AC-39/50/659 179 0.2242 144.65 0.659 16.7 0.427 0.636 17,000 7,750 1-1438 5,500 6,300 216 AC-109/699 196 0.2565 165.50 0.699 17.75 0.623 0.928 30,800 13,900 1-1457 3,700 6,300 216 AC-47/62/699 230 0.2565 165.50 0.699 17.75 0.499 0.742 21,200 9,600 1-1455 4,700 6,300 216 AC-125/726 230 0.2813 181.48 0.726 18.4 0.6949 1.034 34,250 15,500 1-1453 3,400 6,000 216 AC-58/67/726 277 0.2813 181.48 0.726 18.4 0.5418 0.806 22,500 10,250 1-1439 4,300 6,000 This information denotes the input data needed for Sag10 ™ (sag and tension calculation) software. WIR files of all these catalog designs can be found on PLS-CADD web page. NOTES : Data contained in the table are approximations. Please reference the exact cable data sheet for the most up-to-date information. The designs above are only a sampling of the options available from AFL. Contact customer service for a cable designed to your exact specifications. Contact AFL for your customized OPGW solution. Qualifications GOVERNING BODY STANDARD CODE COMPONENT IEEE 1138 Cable IEC 60794-4 Cable TIA 598-D Fiber ASTM B415 B398 Alumium Clad Steel Wire (ACS wire) Alumium Alloy Wire Temperature Specifications TEMPERATURE RANGE Operation -40ºC to +85ºC Storage -50ºC to +85ºC Installation -30ºC to +85ºC Recommended Products for AlumaCore OPGW DESCRIPTION AFL NO. Fiber Optic Cable Accessories OPGW Bolted Deadend Refer to the Fiber Optic Cable Hardware catalog for specific AFL No. OPGW Mechanical Suspension Refer to the Fiber Optic Cable Hardware catalog for specific AFL No. SB01 Splice Enclosure Refer to the Fiber Optic Cable Hardware catalog for specific AFL No. Motion Control Stockbridge Vibration Damper Refer to the Transmission & Distribution catalog , Motion Control section , for specific AFL No.
Features:
- Preferred option for easy handling and splicing
- Thick-walled aluminum pipe provides excellent crush resistance
- Hermetically sealed pipe protects optical fibers
- Outer wire strands selected to optimize mechanical and electrical properties
- Optical sub-unit provides exceptional mechanical and thermal protection for fibers
- Dielectric color-coded optical sub-units available in fiber counts of 6, 8, 12, 18 and 24
- Multiple sub-units combine to achieve fiber counts up to 144
Applications:
- For use by electric utilities on transmission lines in lieu of traditional shield wire
- For retrofit applications where existing shield wire needs to be replaced with OPGW
- For new transmission lines in lieu of traditional shield wire
- Voice, video, data transmission
- SCADA networks
AFL AlumaCore OPGW (Optical Ground Wire) is preferred for its central aluminum pipe and color-coded fiber optic buffer tubes which simplify the splicing process while providing optimum fiber protection as well as long term product reliability.
Optical Ground Wire (OPGW) is a dual functioning cable. It is designed to replace traditional static / shield / earth wires on overhead transmission lines with the added benefit of containing optical fibers which can be used for telecommunications purposes. OPGW 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.
AFL has been manufacturing Optical Ground Wire since 1985 when AlumaCore OPGW was our only product. It remains a top seller and a preferred design by many utilities because of its reputation for reliable service and survivability even in the harshest of conditions. This product has been successfully deployed worldwide in climates ranging from the Siberian Tundra to the rainforests of Brazil. The The durable optical sub-units come in a tight structure or loose tube configuration. Tight structure is the absolute most rugged option with the gel-filled loose buffer tubes running a close second. AFL will work with you on your particular application to determine which option is best for you given your fiber count, climatic conditions, and other considerations.
The OPGW cable design is constructed of a fiber optic core (with multiple sub-units depending on the fiber count) encased in a hermetically sealed hardened aluminum pipe with a covering of one or more layers of steel and/or alloy wires. Installation is very similar to the process used to install conductors, although care must be taken to use the proper sheave or pulley sizes so as not to cause damage or crush the cable. After installation, when the cable is ready to be spliced, the wires are cut away exposing the central aluminum pipe which can easily be ring-cut with a pipe cutting tool. The color-coded sub-units are preferred by most users because they make splice box preparation very simple.
Additionally, AlumaCore OPGW is the ideal solution for those customers looking to isolate or sectionalize their OPGW in an effort to minimize line losses. Ask us more about this unique application for more details.
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