Acquaterra Energy and Proeon develop new monitoring system to extend life of N. Sea wind turbine towers

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Aquaterra Energy and Proeon Systems have developed a new offshore wind energy-monitoring system to improve the integrity of wind turbine towers

With global offshore wind expenditure forecast to reach £210 billion over the next ten years, the offshore wind energy monitoring system will improve inspection and repair planning, and lower the frequency of offshore failures.

It will also greatly reduce the need, risk and cost associated with inspection crews travelling to wind farm sites offshore.

The collaboration is an amalgamation of Proeon’s sensor technology and Aquaterra’s capability in structural mechanics and analysis that provides operators with accurate real-time condition analysis data.

A variety of sensors can be deployed and placed on all aspects of the installed turbine support structure, including the nacelle and foundation pile, to monitor strain, movement, temperature, scour and meteorological data. The results can then be compared against initial data collected in normal conditions and show the potential of degradation occurring.

Dr Andrew Lennon, senior riser analyst at Aquaterra Energy, said: “Current monitoring solutions produce data but don’t provide meaningful analysis. This can lead to a lack of understanding in the industry about why failures and structural problems are occurring.

“The monitoring system mitigates the need for costly offshore inspections while providing knowledge and reassurance about the integrity of the asset.

“For example, where there is cracking or other problems in the structure, the data can be used to identify events which may be the cause. Trends in the data could be used in the future to identify problems before they occur and to determine life expectancy more accurately.

Kevin Magee, Managing Director of Proeon – which has an operations base in Aberdeen – was last month appointed to East of England Energy Group’s new Offshore Wind Supply Chain Special Interest Group

Dr Dorian Hindmarsh, business development manager, Proeon Systems, added: “This is the first time that these systems have been integrated and their combined capabilities add real economic value to structural monitoring and analysis.

“The UK is a market leader in offshore wind energy and using collaborative, home grown technology to implement monitoring solutions from the outset will enable wind farm operators to safely and cost-effectively improve the integrity and operational efficiency of their assets.”

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