Wind Energy Technology
SUPERGEN Wind Energy Technology
Energy Programme  
  Sustainable Power Generation and Supply - Phase 2  


Research disseminations

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Research monograph of SUPERGEN WIND phase 1

The monograph provides an overview of the research that has been carried out in the Phase 1 of SUPERGEN Wind project, from March 2006 to March 2010. A number of achievements have been made across different topics of the project, with a large number of papers published in international journals and conferences, with both national and international collaborators.

Abstract and where can the papers be found are included in the monograph by different topics.



Survey of commercial Condition Monitoring Systems for Wind Turbines

As wind energy assumes greater importance in remote and offshore locations, effective and reliable condition monitoring techniques are required. Failure rate and downtime studies have also highlighted a need for condition monitoring of particular wind turbine drive train components. This survey discusses the reliability of wind turbines and different monitoring configurations currently in use. The document contains a survey of commercially available condition monitoring systems for wind turbines including information on their monitoring technologies based on available literature and discussion with the companies responsible. Observations are made concerning the nature of systems that are currently available and the apparent direction of future monitoring systems.

CM survey


Survey of commercial SCADA analysis tool

By analysing data from the Signal Conditioning and Data Acquisition (SCADA) systems fitted to wind turbines (WT) their manufacturers, operators and other experts are able to monitor and improve WT performance.
This survey summarises and describes the current commercially available SCADA systems and associated analysis tools for monitoring WTs and optimising their performance.
The information is gathered from papers and internet with the help of partners in the UK EPSRC Supergen Wind and EU FP7 ReliaWind Consortia.



Scour and Wave Impact Modelling for Offshore Wind Turbine Mounts

The integrity of an offshore wind turbine mount may be affected by scour at its base and by wave impacts on the structure above the water. Work has been done in developing numerical models of wave and current induced scour at the base of monopile mounts and wave impacts on more general mount configurations.

Once codes have been fully validated, by comparison to related experiments being carried out as part of the work package, it will be possible to simulate a wide range of scenarios by simply changing parameters in the models.  For example, the effect of depth and currents on scour hole development for different sediment types could be simulated.



Wind Turbine Reliability

Wind Turbine manufacturers, operators and developers can use the reliability database to compare to their wind turbine reliability.

More information could be found in the leaflet, and Professore Peter Tavner could provide more detail on how this database could be used for industry.



Wind Turbine Structural Blade Model

A fully parametric structural wind turbine blade model has been developed and applied to a generic 5MW blade design.

The model can be used to to assess the performance of innovative materials in appropriate blade locations with realistic loading conditions, to assess the structural implications of active and passive blade control devices, to determine the appropriate location of condition monitoring devices, and to analyse and interpret the outputs from full scale laboratory blade tests.



Novel Material for Wind Turbine Blades

The current challenge faced by structural designers is becoming increasingly difficult as the imposed design criteria of wind turbine blades requires to reduce the weight of blade per unit length without increasing the cost or decreasing the performance of blade.

In a wind turbine blade, the T-joint as well as the adhesive bonded surface are the weakest areas which normally initiate delaminations and cracks after a certain fatigue cycles.

A number of state-of-the-art toughening techniques and materials which include nano-particles, interleaving veils and 3D woven fabrics were thus used to improve the interlaminar properties within wind turbine blade. The result indicates that both interleaving veils and rubber particle toughened resin can significantly increase the interlaminar fracture toughness of T-joints.



Wind Turbine Wakes

With the construction of ever larger wind farms, particularly offshore, there is a greater need to understand the aerodynamic interactions of neighbouring turbines. Existing wind turbine wake models have primarily been developed and tuned using historic data from small arrays and there is an increasing concern that such models are not accurate for the larger arrays being developed today. Wind turbine operators have observed greater losses than expected after examining early production data. The EPSRC-funded Supergen Wind Consortium has been tasked with examining multiple wind turbine wake interactions in some detail. As part of this work, extensive scale model wind tunnel research has been carried out at the University of Surrey.




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