Winter 2019

Monitoring system measures up to the task on floating wind farm

The Strainstall Marine team in Cowes is supporting the floating offshore wind farm project, Kincardine Offshore Wind farm Limited (KOWL), off the coast of Aberdeen in Scotland.

As part of the project, Strainstall is supplying specially designed strain ring sensors to provide real-time monitoring of the loads exerted on the platform mooring connectors (PMC).  

The team is working in collaboration with First Subsea, which custom-builds the PMCs onto which Strainstall's strain ring sensors are installed.

The system measures the strain in the PMCs and sends alarm-linked information to operators, alerting them of abnormally low or otherwise high tensions, or high rates of change in tension, indicating the possibility of a mooring issue.

The PMC system supplied by First Subsea has already been proven in Floating Offshore Wind and with the additional of the Strainstall Strain Rings, proven effective in delivering accurate load measurement for major renewables projects worldwide, this marriage will see the opportunity to save time and resources, and negating the need for regular diver and ROV inspections, as well as lowering the potential for offshore accidents. All of these will contribute to reducing the levelised cost of energy (LCoE) and risk in this emerging market.

 

Smile and wave

In a separate exciting renewables initiative, Strainstall’s subsea load shackles have been installed and successfully tested on the NEMOS wave energy converter prototype which is being built off the coast of Ostend, Belgium. On this innovative system, incoming wave energy is absorbed by an elongated floating body that sits on the surface, transmitting force to a generator via a spring-loaded belt, so creating electricity.

 

‘It was exciting to see the floater starting to operate by the energy of the waves. It was a proud moment for the entire team.’

 

Said Oliver Epsom, lead offshore engineer at NEMOS.

 

The load shackles are designed to measure tension and collect data which will play a key role in understanding the prototype’s design loads in comparison to the measured tensions. They have been specifically manufactured to withstand the challenging conditions of offshore environments.

 

‘Having developed load monitoring components for major offshore projects Strainstall is continuing to deliver solutions that improve asset safety and performance for the emerging offshore renewable energy sector.’

 

Says business development manager, Michael Hook.

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