These systems are designed to handle the complexities of cable laying, ensuring precise tensioning, bending, and positioning of the cables. The integration of electrohydraulic systems in modern vessels has significantly enhanced the speed and accuracy of cable-laying operations, minimizing downtime, and maximizing productivity.
Moreover, the advanced automation and monitoring features of these systems enable real-time data analysis, ensuring the overall safety and reliability of the cable laying process. In summary, electrohydraulic systems have become an indispensable asset in the cable layer industry, enabling efficient and effective cable installation in modern ships.
Empowering Marine Hydraulic Engineering for Cable-Laying Ships
Atos takes the lead as systems supplier in marine industry

The marine hydraulic engineering field has experienced significant advancements, particularly in the construction and operation of modern cable-laying ships.
INDEX
Introduction to Cable-Laying Ships
Electrohydraulic Solution for Cable Layer Ships
Marine hydraulic engineering: the Atos way
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Introduction to Cable-Laying Ships
A Cable-Laying Vessel, also known as a cable layer, is a purpose-built maritime vessel crafted for the installation of submarine cables, including telecommunications, electric power transmission, and various other applications. The latest generations of cable layers embody a fusion of cable-laying and repair functionalities, enabling them to not only deploy but also retrieve and repair damaged sub-sea cables on board.
Tailoring their operations to factors like water depth and potential risks of damage, cable layers utilize specialized ploughs to bury sub-sea cables securely into the seabed. A sophisticated positioning system empowers the vessel to maintain a precise position above the designated cable route, ensuring accuracy in cable deployment even in challenging weather conditions, providing optimal safeguards for all cable-handling processes.
The cable itself is typically arranged in a spiral configuration within a cable carousel, a horizontally rotating table from which it is unreleased based on the speed of the laying operation. Presently, state-of-the-art cable layers boast the capacity to stow and deploy substantial cable loads, exceeding 10,000 tons.
These cable-laying vessel demonstrate their versatility not only in laying single lines of submarine communication cables, but also in installing two or three additional lines. To further emphasize their capabilities, these ships can effectively lay cables up to a depth of 3,000 meters using a capstan, a large winch around which multiple coils of the cable are wrapped, or through one or more tensioners placed in a cascade pattern. In addition, they can be equipped with a remotely operated vehicle (ROV), adding another level of operational flexibility.
Tailoring their operations to factors like water depth and potential risks of damage, cable layers utilize specialized ploughs to bury sub-sea cables securely into the seabed. A sophisticated positioning system empowers the vessel to maintain a precise position above the designated cable route, ensuring accuracy in cable deployment even in challenging weather conditions, providing optimal safeguards for all cable-handling processes.
The cable itself is typically arranged in a spiral configuration within a cable carousel, a horizontally rotating table from which it is unreleased based on the speed of the laying operation. Presently, state-of-the-art cable layers boast the capacity to stow and deploy substantial cable loads, exceeding 10,000 tons.
These cable-laying vessel demonstrate their versatility not only in laying single lines of submarine communication cables, but also in installing two or three additional lines. To further emphasize their capabilities, these ships can effectively lay cables up to a depth of 3,000 meters using a capstan, a large winch around which multiple coils of the cable are wrapped, or through one or more tensioners placed in a cascade pattern. In addition, they can be equipped with a remotely operated vehicle (ROV), adding another level of operational flexibility.
Electrohydraulic Solution for Cable Layer Ships
Electrohydraulic systems have emerged as a game-changer in the field of cable laying operations, revolutionizing the way modern vessels handle this crucial task. With their advanced technology and precision engineering, these systems offer an efficient solution for cable-laying vessels. By combining the advantages of both electronics and hydraulics, electrohydraulic systems provide optimal control and flexibility during cable installation.
Atos hydraulic manifold for marine environments

Marine hydraulic engineering: the Atos way
Atos, as a leading systems supplier in marine hydraulic engineering, offers a range of electrohydraulic solutions specifically designed for cable layer ships. These solutions are engineered to enhance efficiency, safety, and reliability in the challenging marine environment. Atos’s electrohydraulic systems, particularly for cable laying equipment, demonstrate superior performance in terms of force control and operational precision.
The use of advanced electrohydraulic technology in capstans, pick up arms, tensioners, and carousel systems not only streamline the cable laying process but also significantly reduces the risk of operational failures.
Digital driver technology enables customized settings for controlling the hydraulic force applied by tensioners, alarms logging, and data acquisition through the built-in oscilloscope. As all these functions can be remotely managed. ATOS technicians have successfully tuned and remotely started tensioner systems, the core of cable layer, significantly reducing commissioning times and costs.
This technological excellence underscores Atos’s commitment to pioneering innovations that address the evolving demands of marine hydraulic engineering in the maritime industry, positioning Atos as primary system suppliers.
The use of advanced electrohydraulic technology in capstans, pick up arms, tensioners, and carousel systems not only streamline the cable laying process but also significantly reduces the risk of operational failures.
Digital driver technology enables customized settings for controlling the hydraulic force applied by tensioners, alarms logging, and data acquisition through the built-in oscilloscope. As all these functions can be remotely managed. ATOS technicians have successfully tuned and remotely started tensioner systems, the core of cable layer, significantly reducing commissioning times and costs.
This technological excellence underscores Atos’s commitment to pioneering innovations that address the evolving demands of marine hydraulic engineering in the maritime industry, positioning Atos as primary system suppliers.
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