Community Research and Development Information Service - CORDIS

Abstract

"The objectives of the project have been as follows:
- To understand, and hence reduce, the risks associated with the use of wind farm sites in hostile conditions;
- To provide a critical appraisal of present design procedures used for hostile environments, and to refine the design classification of wind turbines for such sites;
- To disseminate the results of the project to wind turbine manufacturers, wind farm developers, Classification Societies and Standards bodies.

In order to meet the aims of the project, measurements have been made at two wind farm sites: Windy Standard in the UK and Acqua Spruzza in Italy. In addition to detailed records of meteorological conditions, measurements have also been made of the dynamic behaviour and loading of wind turbines at the two sites. Analysis of the measured data has focused on the following topics:

- Investigation of the mean and turbulent wind speed properties over the complex topography of the Windy Standard and Acqua Spruzza sites.
- Assessment of the performance of different types of anemometry equipment and the behaviour of the monitored wind turbines during conditions of icing.
- Investigation of different techniques for the prediction of extreme wind speeds.
- Evaluation of the steady state performance and loading of the monitored wind turbines and use of the measured data to validate appropriate computer models of the machines.
- Evaluation of the fatigue and extreme loads acting on the wind turbines, correlation of these loads with the monitored wind and ice conditions, and use of the measured data to validate appropriate computer models.
- Interpretation of the measured and calculated loading of the wind turbines in order to review the adequacy of current design procedures and design standards for hostile sites."

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