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Client: Marine Engineering Company
Industry: Offshore / Marine Engineering
Location: International
Scope: Turnkey design, build, and integration of drive and control system
“The socket interface enabled installation to be completed ahead of schedule.”
– Project Manager, Marine Engineering Company
A leading marine engineering company required a powerful and reliable AC drive system and motors to power a pipe laying carousel on board a specialist offshore vessel.
The carousel, capable of rotating 7,000 tonnes of product, needed to operate under widely variable speeds and loads, with six 110 kW motors each capable of delivering 175% overload for 40 seconds.
Beyond drive control, the system also had to provide auxiliary power for deck lighting, hydraulics, and general distribution. Operational resilience was critical: the system needed to continue functioning even if two of the six drives were faulted, automatically reallocating master/slave roles to maintain balanced load sharing.
Rapid installation on deck was essential, and with the vessel’s build programme running to a tight schedule, delivery deadlines were particularly demanding.
iconsys designed and delivered a fully integrated drive and control system, built within a 25-foot container to enable fast, efficient shipboard installation and protection from the marine environment.
The solution utilised six Control Techniques Unidrives (Frame 6) configured for coordinated control of the carousel’s rotation. Each drive cubicle was engineered for effective thermal management, with oversized roof fans, door ventilation, and 20 kW of air-conditioning to maintain stable operating temperatures inside the container.
The design incorporated plug-and-socket interfaces for both control and auxiliary supplies, dramatically reducing installation and commissioning time. All condensers and fittings were specified for marine-grade performance, ensuring durability and corrosion resistance in harsh offshore conditions.
Delivered on time to the dockside, ready for immediate connection and testing.
Containerised design allowed the entire system to be installed and commissioned ahead of schedule.
Flexible operation maintained full functionality even with two drives out of service.
Optimised thermal control ensured reliable performance in varying climates.
Plug-and-play architecture simplified installation and reduced engineering time on board.
iconsys’ experience in high-power drive systems and marine automation enabled the client to achieve a fast, low-risk deployment that met both technical and logistical demands.
By integrating the full control solution within a containerised environment, iconsys provided a compact, transportable system that could be fully tested prior to installation — a model approach for similar offshore and shipboard applications where time, reliability, and resilience are critical.
“Delivering the system on time and initially commissioned on the dockside, the carousel was then fitted to the ship and commissioning completed. The socket interface enabled installation to be completed ahead of schedule.”
— Project Manager, Marine Engineering Company
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