AFL CentraCore OPGW (Optical Ground Wire) is preferred for its compact size and ability to house up to 96 fibers in a diameter starting at only 12mm. Its small profile offers an exceptional solution to the diameter and weight concerns on many of today’s overloaded transmission towers where an existing shield wire needs to be replaced with an OPGW cable.
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FIBER OPTIC CABLE Fiber Optic Cable © 2002, AFL, all rights reserved. PP-1-00006, Revision 10, 2.23.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 1 CentraCore OPGW 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. The CentraCore design family can provide these features in a compact, light weight, high fiber density OPGW. Features • Fiber counts up to 96 • Light weight and compact yet robust design offering high fiber density • Central stainless steel tube housing the the fibers inserted into an aluminum pipe provides crush resistance and thermal protection for fibers Applications • Energy Market • Transmission • Right-of-Way • Topmost part of the structure (shield wire position) Cable Components continued Optical unit Aluminum clad steel wire Aluminum alloy wire Aluminum pipe Stainless steel tube Typical Designs FIBERS (MAX) OPGW SIZE FAULT CURRENT TOTAL CONDUCTOR AREA OVERALL DIAMETER 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) 48 CC-57/465 43 0.1248 80.52 0.465 11.80 0.314 0.467 16,250 7,400 1-1421 7000 7000 48 CC-29/29/465 54 0.1248 80.52 0.465 11.80 0.238 0.354 10,500 4,700 1-1455 7000 7000 48 CC-54/472 53 0.1334 86.09 0.472 12.00 0.316 0.470 15,750 7,100 1-1450 7000 7000 48 CC-27/27/472 63 0.1334 86.09 0.472 12.00 0.244 0.362 10,000 4,600 1-1438 7000 7000 48 CC-72/504 58 0.1482 95.64 0.504 12.80 0.382 0.568 20,500 9,300 1-1442 6350 7000 48 CC-32/40/504 73 0.1482 95.64 0.504 12.80 0.296 0.441 13,750 6,300 1-1440 7000 7000 48 CC-75/528 77 0.1663 107.28 0.528 13.40 0.411 0.612 21,500 9,700 1-1453 5950 7000 48 CC-38/38/528 96 0.1663 107.28 0.528 13.40 0.310 0.462 13,750 6,200 1-1439 7000 7000 72 CC-54/472 51 0.1318 85.01 0.472 12.00 0.316 0.470 15,750 7,100 1-1457 7000 7000 72 CC-27/27/472 61 0.1318 85.01 0.472 12.00 0.243 0.362 10,000 4,600 1-1438 7000 7000 72 CC-63/507 71 0.1547 99.80 0.507 12.90 0.367 0.546 18,250 8,300 1-1450 6650 7000 72 CC-32/32/507 85 0.1547 99.80 0.507 12.90 0.282 0.420 11,750 5,300 1-1438 7000 7000
© 2002, AFL, all rights reserved. PP-1-00006, Revision 10, 2.23.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 2 FIBER OPTIC CABLE Fiber Optic Cable Premise Cable CentraCore OPGW Contact AFL for your customized OPGW solution. Typical Designs (cont.) FIBERS (MAX) OPGW SIZE FAULT CURRENT TOTAL CONDUCTOR AREA OVERALL DIAMETER 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) 72 CC-75/528 75 0.1646 106.20 0.528 13.40 0.410 0.611 21,500 9,700 1-1421 5950 7000 72 CC-38/38/528 94 0.1646 106.20 0.528 13.40 0.310 0.461 13,750 6,200 1-1455 7000 7000 96 CC-65/500 51 0.1393 89.86 0.500 12.70 0.385 0.573 18,900 8,600 1-1442 4800 4800 96 CC-30/36/500 64 0.1393 89.86 0.500 12.70 0.306 0.456 12,750 5,800 1-1440 4800 4800 96 CC-75/528 62 0.1550 100.00 0.528 13.40 0.431 0.641 21,500 9,800 1-1442 4800 4800 96 CC-38/38/528 81 0.1550 100.00 0.528 13.40 0.331 0.492 14,000 6,300 1-917 4800 4800 96 CC-86/563 86 0.1803 116.31 0.563 14.30 0.488 0.726 24,500 11,100 1-1425 4800 4800 96 CC-34/51/563 106 0.1803 116.31 0.563 14.30 0.340 0.591 17,400 7,900 1-1460 4800 4800 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. Qualifications GOVERNING BODY STANDARD CODE COMPONENT IEEE 1138 Cable IEC 60794-4 Cable TIA 598-D Fiber ASTM B415 Alumium Clad Steel Wire (ACS wire) Temperature Specifications TEMPERATURE RANGE Operation -40ºC to +85ºC Storage -50ºC to +85ºC Installation -30ºC to +85ºC Recommended Products for CentraCore 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:
- Fiber counts up to 96 in same diameter product
- Small diameter, low weight reduces retrofit impact
- Laser-welded, hermetically sealed stainless steel tubes provide mechanical and thermal protection for fibers
- Thick-walled aluminum pipe provides crush resistance and boosts fault current rating
- Outer wire strands selected to optimize mechanical and electrical properties
- Fiber grouped in bundles of 12 for ease of splicing prep
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
- Dark fiber leasing
AFL CentraCore Optical Ground Wire (OPGW) is preferred for its compact size and ability to house up to 96 fibers in a diameter starting at only 12mm. Its small profile offers an exceptional solution to the diameter and weight concerns on many of today’s overloaded transmission towers where an existing shield wire needs to be replaced with an OPGW cable. With the fiber-bearing stainless steel tube securely protected in a hardened aluminum pipe then covered with a layer(s) of aluminum clad steel and/or alloy wires, this condensed design offers a more robust configuration than those options with only a bare stainless steel tube covered by wires.
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 and has supplied hundreds of thousands of kilometers of cable since our inception. CentraCore OPGW was developed by AFL as a “blend” of expertise from our other cable designs. It takes AFL’s stainless steel tube technology found in the HexaCore OPGW family and couples it with AFL’s aluminum pipe drawing capability used in the AlumaCore OPGW family. A fiber-bearing stainless steel tube is encased in a thick-walled aluminum pipe, providing the durability needed for installation and long-term performance while adding a conductive aluminum layer that boosts the fault current capacity of the otherwise small profile design. The fibers are grouped in bundles of 12 with color-coded threads denoting the different bundles. ;The standard color sequence (Blue, Orange, Green, Brown, etc.) is used for the individual fibers as well as for the threads identifying the bundles.
Another positive feature of the CentraCore design is that the cable and hardware can remain consistent even though the fiber count may vary. The CentraCore family allows a user to modify the fiber count up to 96 without impacting the cable’s overall profile or diameter. Whether the need is for 48 fibers today and then 96 fibers tomorrow, by selecting a CentraCore option, a utility can ensure that their cable diameter and thus the associated attachment hardware will never change. As such, a utility can greatly reduce the amount of spare parts needed for various fiber count cables because all cables are the same size.
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