Optical Power Ground Wire (OPGW Cable)
OPGW Cable Overview
The Optical Power Ground Wire (OPGW) is a special type of cable
that integrates optical fibers within the ground wire of overhead
high-voltage transmission lines. By combining the functions of
lightning protection, grounding, and optical communication, OPGW
provides a reliable and efficient solution for modern power grids.
The optical fibers inside the cable enable high-speed data
transmission, while the surrounding metal wires ensure excellent
mechanical performance and electrical protection. Compared with
traditional optical cable installations, OPGW reduces construction
time, lowers overall costs, and improves long-term stability.
Key Features & Advantages
Advanced Protection: Stainless steel tube design filled with water-blocking compounds
provides superior protection for optical fibers against moisture
and mechanical stress.
High Mechanical Strength: Compact structure with excellent tensile strength to withstand
harsh environments and strong mechanical loads.
Electrical Performance: Effectively reduces interference between the power grid and
communication system during short-circuit conditions.
Easy Installation: Designed to match conventional ground wire specifications, OPGW
can be installed conveniently and directly replace existing ground
wires without major modifications.
Dual Functionality: Offers both grounding protection for the power system and
high-capacity optical communication channels, ensuring reliability
and cost-effectiveness.
Wide Applications: Ideal for use in power transmission lines, substations, and smart
grid communication networks.
OPGW Cable Overview
Main Functions
OPGW cables are primarily applied in power communication systems,
working together with accessories for relay protection, automatic
control, and data transmission. They are installed alongside
high-voltage power lines, combining optical communication and
grounding functions.
Structure
The Stranded Optical Ground Wire (OPGW) is manufactured with two or
three layers of aluminum-clad steel wires (ACS), or a mix of ACS
and aluminum alloy wires. This design is optimized to meet the
common structural and mechanical demands of power transmission
lines.
Fiber Specifications
Optional fiber types: G652D, G655C, G657A1, 50/125, 62.5/125, OM3,
OM4
Fiber count: Up to 96 cores
Electrical & Application Range
Suitable for power lines with voltage levels of 110KV and below
Widely applied in new overhead transmission lines
Capable of carrying a large number of fibers for UHV (Ultra High
Voltage) systems
Provides protection against lightning and safely conducts
short-circuit fault current
Typical Design
Central aluminum-covered stainless steel tube structure, ensuring
excellent fiber protection, mechanical strength, and long-term
reliability.
Parameter
OPGW with PBT Aluminum Tube
| Specification | Fiber Count | Diameter(mm) | Weight (kg/km) | RTS(KN) | Short Circuit(KA2s) |
| | | | | |
| OPGW-113(87.9;176.9) | 48 | 14.8 | 600 | 87.9 | 176.9 |
| OPGW-70(81; 41) | 24 | 12 | 500 | 81 | 41 |
| OPGW-66(79;36) | 36 | 11.8 | 484 | 79 | 36 |
| OPGW-77(72;36) | 36 | 12.7 | 503 | 72 | 67 |
OPGW Typical Designs of Stranded Stainless Steel Tube
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 |
OPGW Typical Designs of Central AL-covered Stainless Steel Tube
Typical Design for Single Layer
| Specification | Fiber Count | Diameter(mm) | Weight (kg/km) | RTS(KN) | Short Circuit(KA2s) |
| OPGW-80(82.3;46.8) | 24 | 11.9 | 504 | 82.3 | 46.8 |
| OPGW-70(54.0;8.4) | 24 | 11 | 432 | 70.1 | 33.9 |
| OPGW-80(84.6;46.7) | 48 | 12.1 | 514 | 84.6 | 46.7 |
Typical Design for Double Layer
| Specification | Fiber Count | Diameter(mm) | Weight (kg/km) | RTS(KN) | Short Circuit(KA2s) |
| OPGW-143(87.9;176.9) | 36 | 15.9 | 617 | 87.9 | 176.9 |
OPGW Typical Designs of Central Stainless Steel Loose Tube
Typical design for Single Layer:
| Specification | Fiber Count | Diameter (mm) | Weight (kg/km) | RTS (KN) | Short Circuit (KA2s) |
| OPGW-32(40.6;4.7) | 12 | 7.8 | 243 | 40.6 | 4.7 |
| OPGW-42(54.0;8.4) | 24 | 9 | 313 | 54 | 8.4 |
| OPGW-42(43.5;10.6) | 24 | 9 | 284 | 43.5 | 10.6 |
| OPGW-54(55.9;17.5) | 36 | 10.2 | 394 | 67.8 | 13.9 |
| OPGW-61(73.7;175) | 48 | 10.8 | 438 | 73.7 | 17.5 |
| OPGW-61(55.1;24.5) | 48 | 10.8 | 358 | 55.1 | 24.5 |
| OPGW-68(80.8;21.7) | 54 | 11.4 | 485 | 80.8 | 21.7 |
| OPGW-75(54.5;41.7) | 60 | 12 | 459 | 63 | 36.3 |
| OPGW-76(54.5;41.7) | 60 | 12 | 385 | 54.5 | 41.7 |
Typical design for Double Layer:
| Specification | Fiber Count | Diameter (mm) | Weight (kg/km) | RTS (KN) | Short Circuit (KA2s) |
| OPGW-96(121.7;42.2) | 12 | 13 | 671 | 121.7 | 42.2 |
| OPGW-127(141.0;87.9) | 24 | 15 | 825 | 141 | 87.9 |
| OPGW-127(77.8;128.0) | 24 | 15 | 547 | 77.8 | 128 |
| OPGW-145(121.0;132.2) | 28 | 16 | 857 | 121 | 132.2 |
| OPGW-163(138.2;183.6) | 36 | 17 | 910 | 138.2 | 186.3 |
| OPGW-163(99.9;213.7) | 36 | 17 | 694 | 99.9 | 213.7 |
| OPGW-183(109.7;268.7) | 48 | 18 | 775 | 109.7 | 268.7 |
| OPGW-183(118.4;261.6) | 48 | 18 | 895 | 118.4 | 261.6 |
FAQ
1. Are you a trading company or manufacturer?
We are a professional manufacturer with over 10 years of experience
in fiber optic cables, drop cables, patch cords, and related
products. Our factory is located in Guangzhou, and we warmly
welcome your visit.
2. How is the product quality guaranteed?
Each fiber is strictly tested before delivery to ensure high
quality. After confirming the price, free samples can be provided
for quality inspection.
3. Do you accept small orders?
Yes. We support trial and small-volume orders, as we believe
long-term business often starts from small projects.
4. What is the delivery time?
Generally 3–7 working days, depending on order quantity. Once
payment is confirmed, we arrange production and shipping as quickly
as possible.
5. Do you offer OEM services?
Yes. We provide OEM customization and can print your logo on the
product. We are open to any design ideas from customers.
