Presentations and posters

9th Deep Sea Offshore Wind R&D Seminar,  Royal Garden, 19 - 20 January 2012

Opening session  - offshore wind outlook  
Wind in our sails - The coming of Europe's offshore wind energy industry  Arapogianni Athanasia, EWEA 
Status and plans for offshore wind in Japan    Prof Chuichi Arakawa, University of Tokyo
Offshore wind research and development in USA  Senu Sirnivas, NREL
Innovations in Offshore Wind Technology through R&D  John Olav Tande, SINTEF Energi AS
Coupled fluid-structure interaction simulation (no presentation available) Prof Yuri Bazilevs, University of California
  
Parallel sessions  
A1 New turbine technology  
1st DeepWind 5MW baseline design Uwe S. Paulsen, Risø DTU
A Method for Analysis of VAWT Aerodynamic Loads under Turbulent Wind and Platform Motion  Karl Merz, Post Doc, NTNU
Multi-Rotors; A Solution to 20 MW and Beyond?  Mike Branney, PhD stud, Univ. of Strathclyde
Structural design and analysis of a 10 MW wind turbine blade  Kevin Cox, Phd stud, NTNU
Effect of pitch and safety system design on dimensioning loads for offshore wind turbines during grid fault  Lars Frøyd, PhD stud, NTNU
   
A2 New turbine technology  
A Modular Series Connected Converter for a 10 MW, 36 kV, Transformer- Less Offshore Wind Power Generator Drive     Sverre Gjerde, PhD stud, NTNU
Large superconducting wind turbine generators  A.B. Abrahamsen, DTU

Technological advances in Hydraulic Drivetrains for Wind Turbines  

Knud Erik Thomsen, Chapdrive
ASHES: A novel tool for FEM analysis of offshore wind turbines with innovative visualizations techniques   Paul E. Thomassen, Post Doc, NTNU
   
B1 Power system integration  
Voltage Source HVDC - Overview     Dr Mike Barnes, University of Manchester
Control challenges and possibilities for large offshore wind farms   Prof Olimpo Anaya-Lara, Univ. of Strathclyde
Coordinated control between wind and hydro power systems through HVDC links   Atsede Endegnanew, SINTEF Energi AS
Temporary Rotor Inertial Control of Wind Turbine to Support the Grid Frequency Regulation   Bing Liu, PhD stud, NTNU
Stability Improvements in Oil Platforms from Wind Turbines   Atle Rygg Årdal, SINTEF Energi AS
   
B2 Grid connection  
Modelling and control of Multi-terminal VSC HVDC systems  Jef Beerten, PhD stud, University of Leuven 
Fault-ride-through testing of wind turbines  Helge Seljeseth, SINTEF Energi AS
Wind turbine model validation with measurements   Jorun Marvik, SINTEF Energi AS
The Assessment of Overvoltage protection in Offshore Wind Farms  Amir H. Soloot, PhD stud, NTNU
   
C1 Met-ocean conditions  
Mesoscale modeling applied to wind energy offshore at DTU Wind Energy     Hans E. Jørgensen, DTU
Sensor movement correction for direct turbulence measurements in the marine atmospheric boundary layer Martin Flügge, PhD stud, Univ. of Bergen

Modelling the effect of ocean waves on the atmospheric and ocean boundary layers  

Alastair D. Jenkins
First results of turbulence measurements in a wind park with the Small Unmanned Meteorological Observer SUMO   Prof Joachim Reuder, Univ. of Bergen
   
C2 Met-ocean conditions  
An insight into floating lidars for offshore wind measurements Matt Smith, Natural Power
Comparison of met-mast and lidar measurements at Frøya   Prof Lars Sætran, NTNU
Experiences and results from the Statoil's LIDAR measurement Campaign at Utsira   Yngve Ydersbond, Kjeller Vindteknikk AS


  
Posters  
Effect of Forced Excitation on Wind Turbine with Dynamic Analysis in Deep Offshore Wind Prof Chuichi Arakawa, Univ. of Tokyo 
Flow past fixed circular cylinder at Re 3900 using the Spalart-Allmaras turbulence model   Knut Nordanger, PhD stud, NTNU
Incidence of the switching frequency on efficiency and power density of power conversion topologies for offshore wind turbines   Rene A. Barrera, PhD stud, NTNU
GPS Synchronisation of Harmonic and Transient Measurements in Offshore Wind Farms   Ivan Arána, DONG Energy
EMC Challenges during Harmonic and Transient Measurements in Offshore Wind Farms   Ivan Arána, DONG Energy
Benefits of Asymmetric HVDC Links for the North Sea Super Grid   Til Kristian Vrana, PhD stud, NTNU
Stability improvements in Oil Platforms from Wind Turbines   Atle Rygg Årdal, SINTEF Energi AS
Challenges and rationale for laboratory testing in offshore grids research   Kjell Ljøkelsøy, SINTEF Energi AS
An approach to model the statistics of wind speed and wind power increments on a 10min time scale   Prof Hans Georg Beyer, Univer. of Agder
Upper Ocean Response to Large Wind Farm Effect in the Presence of Surface Gravity Waves   Mostafa B. Paskyabi, PhD stud, Univ. of Bergen
A probabilistic approach to introduce risk measurement indicators to an offshore wind project evaluation – improvement to an existing tool ECUME Fanny Douard, EDF 
Selection of important RAMS parameters for 10MW reference wind turbine   Zafar Hameed, PhD stud, NTNU
Fatigue analysis of copper conductor for offshore wind turbines by experimental and FE method Fachri Nasution, PhD stud, NTNU
Maintenance strategies for large offshore wind farms Matti Scheu, NTNU
Mooring system optimization for floating wind turbines using frequency domain analysis   Matthias Brommundt, NTNU
PLOCAN, a multiuse offshore test site in the Atlantic Ocean   José Joaquín Hernández-Brito, Plocan
A novel tool for FEM analysis of offshore wind turbines with innovative visualization techniques Paul E. Thomassen, Post Doc, NTNU
Iterative optimization approach for the design of full-height lattice towers for offshore wind turbines Daniel Zwick, PhD stud, NTNU 
Wake measurements behind an array of two model wind turbines J. Bartl, NTNU
Active Power Control with Undead-Band Voltage & Frequency Droop for HVDC Converters in Large Meshed DC Grids    Til Kristian Vrana, PhD stud, NTNU
Fully Nonlinear Wave Forcing on an Offshore Wind Turbine. Structural Response and Fatigue  Signe Schløer, PhD stud, Technical Univ. of Denmark 
Panel Vortex Code for wind turbines implemented on a GPU   Lene Eliassen, Univ. of Stavanger
Yaw moments of a three-bladed wind turbine yaw error   Tania Bracchi, PhD stud, NTNU
Gain scheduled and robust H∞ control above rated wind speed for wind turbines   Fredrik Sandquist, PhD stud, NTNU
   

  
Parallel sessions  
D Operation & maintenance  
Distributed, hierarchical sensor network enabling park wide control of O&M on demand Matthijs Leeuw, TNO
Occupational safety management in the offshore wind industry – status and challenges   Eirik Albrechtsen, SINTEF
Monitoring Offshore Wind Energy Use in Europe – Offshore WMEP   Stefan Faulstich, Fraunhofer IWES
On the development of Condition based Maintenance Strategy for Offshore Wind Farm: Requirement Elicitation Phase   Idriss El-Thalji, VTT
Hywind: Two years in operation, what have we learnt and where are we going?  Sverre Trollnes, Statoil
   
E Installation & sub-structures  
Monobuckets and the competitiveness versus monopiles and jacket structures   Prof Lars Bo Ibsen, Aalborg University

Feasibility of Application of Spar-type Wind Turbine in a Moderate Water Depth  

Madjid Karimirad, Post Doc, NTNU
Effects of Hydrodynamic Modelling in Fully Coupled Simulations of a Semi-submersible Wind Turbine   Marit I. Kvittem, PhD stud, NTNU
Improving pile foundation models for use in bottom-fixed offshore wind turbine applications      Eric Van Buren, PhD stud, NTNU
The full-height lattice tower concept   Prof  Michael Muskulus, NTNU
   
 F Wind farm modelling  
Experimental results of the NOWITECH/NORCOWE blind test    Pål Egil Eriksen, PhD stud, NTNU
Wind Turbine Wake Models Stefan Ivanell, University of Gotland
Wake Modeling with the Actuator Disc concept   Arne Reidar Gravdahl, WindSim AS
Recent Advances in Modelling Wind Parks in STAR-CCM+   Steve Evans, CD-adapco
Offshore wind farm optimisation Trygve Skjold, GexCon 



  
Closing session  
Considerations when designing large wind turbines (no presentation available) Torolf Pettersen, Blaaster
A floating multi-turbine platform   Marc Lefranc, WindSea
Innovations in Offshore Wind Technology the We@Sea programme   Jos Beurskens, ECN
   
   

Published February 16, 2012



Complete report  of the presentations and posters