ADSS and OPGW cables are often used in power utilities and telecommunications. This article will discuss some differences between ADSS and OPGW cables.
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What are OPGW and ADSS Cables?
All-dielectric Self-supporting (ADSS) cable is a type of fiber optic cable that is strong enough to support itself between structures without using conductive metal elements. The cable is designed for aerial transmission and distribution power lines environments. As its name indicates, there are no metallic components and the cable does not require a support or messenger wire, so installation is achieved in a single pass.
Optical ground wire (OPGW), also known as optical fiber composite overhead ground wire is a dual-functioning cable performing the duties of a ground wire and also providing a path for the transmission of voice, video, or data signals.The cable is designed to be installed on transmission and distribution lines. The fibers are protected from environmental conditions (lightning, short circuit, loading) to ensure the reliability of signal transmission.
ADSS VS.OPGW Cables
ADSS or OPGW, when dealing with outdoor fiber cabling, might be tough sometimes due to the difference in cabling designs, features, environment, cost, and applications.Let’s take look at the main differences between them.
Structure
ADSS cable structure is mainly composed of central strength member, stranded loose tube, water blocking material, aramid yarn, and sheath. ADSS cable structure consists of 2 types: single jacket and double jacket.
OPGW cable structure is mainly composed of an optical fiber unit (stainless steel tube, aluminum-clad stainless steel tube) , and metal mono-filament (aluminum-clad steel, aluminum alloy) peripheral reinforcement. There are 4 OPGW cable types: ACS (Aluminum clad stainless steel tube), stranded tube, central tube, and ACP (Aluminum clad PBT).
Features
ADSS cable can be installed without shutting off the power, large span lengths, good performance of tensile strength, lightweight and small diameter.
OPGW cable provide stainless-steel optical fiber unit with layer stranding structure, aluminum alloy wire and aluminum clad steel wire armored, coated with anti-corrosive grease between layers, heavy load capacity and long span installation.
Installation Position
The installation position is inconsistent – If the wires need to be rewired or replaced due to aging, it is more suitable to use OPGW cables than ADSS cables.Unlike OPGW optical cables, ADSS cables are more suitable for installation in the power distribution and transmission environment where the live wire is placed.
Installation Cost
The installation cost of OPGW cable is relatively high, and a lot of money needs to be invested at one time; while the installation cost of ADSS cable is relatively low, because it does not need to replace the electrical transmission line, and can also achieve free switching.
Applications
OPGW cable is used in the electric utility industry, transmission and distribution of power lines ( i.e., 500KV, 220KV, 110KV voltage grade lines), voice, video, data transmission, SCADA networks, ariel ground wires, and dark fiber leasing.
ADSS cable is used for telecommunications by power utilities, telcos, and private network groups, distribution and high voltage transmission lines, conductors, outdoor aerial self-supporting installation, enterprise OSP networks, broadband, FTTX networks, railways, long-distance communication, CATV, CCTV, computer networks system, ethernet LAN Network, outside plant campus backbone, etc.
Conclusion
ADSS cable is cheaper than OPGW cable and easy to install. However, OPGW cable has high voltage transmission efficiency, and can also be used for telecommunication transmission data to achieve the purpose of high-speed data transmission. Sun Telecom provides all ADSS and OPGW cable products and solutions to the global market.
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Difference Between ADSS Fiber Optic Cable and OPGW Fiber Optic Cable
ADSS Fiber Optic Cable vs OPGW Fiber Optic Cable
Both OPGW optical cable and ADSS optical cable are outdoor optical cables for long-distance data transmission. These cables consist of very thin strands of glass or plastic, called optical fibers, that are enclosed in a protective sheath. Optical fibers are bundled together to form a cable core, and then additional protective material is added on the outside to form the final cable.
Although OPGW and ADSS cables may look similar in appearance, there are some key differences between them that make them suitable for different applications and environments. Understanding these differences is important in selecting the appropriate fiber optic cable for a particular application.
installation method:
One of the main differences between OPGW optical cable and ADSS optical cable is the installation method. OPGW optical cables are installed on overhead transmission lines, while ADSS optical cables are installed on the side of transmission towers. This means that OPGW optical cables and ADSS optical cables face different environmental factors and physical stresses.
Case Type:
Another key difference between OPGW and ADSS cables is the type of protective jacket used. OPGW cables are sheathed in a metal jacket, usually aluminum or steel, for extra strength and protection. This metallic sheath also acts as a conductor, enabling the cable to work as a ground wire for transmission lines. ADSS cables, on the other hand, are usually sheathed in a layer of aramid yarn, which provides strength and protection, but is not conductive.
Design differences:
The design of OPGW optical cable and ADSS optical cable is also different. OPGW optical cables are usually designed with a central tube, that is, a loose tube, which is filled with optical fibers. The loose tube is covered with waterproof glue to help protect the fiber from moisture. There is additional protective material on the outside of the cable, such as aramid yarn, for extra strength and protection. ADSS cables, on the other hand, typically use a tightly buffered design, with each fiber wrapped in a protective material called a buffer coating. This design provides additional fiber protection, making it more resistant to bending and crushing.
Temperature Rating:
Another important difference between OPGW and ADSS cables is their temperature rating. OPGW cables are typically designed for temperatures ranging from -40°C to 85°C, while ADSS cables are typically designed for temperatures ranging from -40°C to 70°C. This means that OPGW cables are more suitable for extreme temperature environments, while ADSS cables are more suitable for milder conditions.
Transmission performance:
In terms of transmission performance, OPGW optical cables and ADSS optical cables are generally similar. Both types of fiber optic cables are capable of transmitting data at high speeds over long distances without signal amplification. They are also immune to EMI, making them ideal for high EMI environments.
A major advantage of OPGW fiber optic cable is its ability to work as a ground wire for power transmission lines. This means it can provide data transmission and grounding functions, simplifying the design of power transmission lines and reducing the amount of fiber optic cables required. However, ADSS fiber optic cables are not conductive and cannot be used as ground wires.
About GL Fiber Cable:
GL Fiber Cable company is a well-known manufacturer of ADSS optical cable and OPGW optical cable, our products have several advantages. GL Fiber Cable's ADSS cables are manufactured with high quality materials such as aramid yarn and aluminum clad steel for excellent strength and durability. These cables are suitable for use with high wind loads and harsh environmental conditions. GL Fiber Cable's OPGW optical cables are highly conductive and lightning protection, which are essential for power transmission lines. These cables have low attenuation and excellent bandwidth, making them ideal for high-speed data transmission. In addition, GL Fiber Cable's ADSS optical cable and OPGW optical cable are strictly tested to ensure compliance with industry standards and customer requirements. Improve and optimize the text from a more professional perspective
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