OPGW Optical Power Ground Wire Cable for Power Transmission Communication
Product Introduction:
OPGW is a ground wire with built-in optical fibers for overhead power lines, combining grounding, lightning protection, and high-speed communication in one cable.
Key Features:
Strong protection with water-blocking stainless steel tube
High tensile strength for harsh environments
Stable electrical performance
Easy installation and replacement
Dual function for power and communication
Applications:
Power transmission lines
Substations
Smart grid networks
Utility communication systems
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.
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 |
OPGW Cable FAQ
Q1: What is OPGW cable?
A: OPGW is a ground wire with built-in optical fibers for power lines, combining protection and communication.
Q2: What are its main benefits?
A: It offers grounding, lightning protection, and data transmission in one cable.
Q3: Can it replace existing ground wires?
A: Yes, OPGW can directly replace traditional ground wires.
Q4: Is it durable for outdoor use?
A: Yes, it has high strength and strong resistance to weather and mechanical stress.
Q5: Where is OPGW used?
A: It is used in transmission lines, substations, and smart grid systems.
