2014 Conference

Programme, presentations and posters from the 2014 conference

Detaled programme for the 2014 Conference	Complete report
Opening session
Progress of offshore wind through R&D in FP7 and H2020	Matthijs Soede, European Commission
Innovations in offshore wind through R&D	John Olav Tande, SINTEF Energi AS
Highlights from NORCOWE	Joachim Reuder, CMR/NORCOWE
EERA Design Tool for Offshore wind farm Clusters - DTOC	Charlotte Bay Hasager, DTU Wind Energy
Innovative wind conversion systems for offshore applications – INNWIND.EU	Peter Hjuler Jensen, DTU Wind Energy


Parallel sessions
A1 New turbine technology
New generator technology for offshore wind turbines	Prof Robert Nilssen, NTNU
Necessity is the mother of invention: nacelle mounted lidar for measurement of turbine performance	Matt Smith, Zephir Lidar Ltd.
New rotor concepts for future offshore wind farms	Ozlem Ceyhan ECN
Multi Rotor Systems of 20 MW or more for deep water applications	Peter Jamieson, Strathclyde University

A2 New turbine technology
DeepWind-from idea to 5 MW concept	Uwe Scmidt Paulsen, Technical University of Denmark
Dynamic analysis of a floating vertical axis wind turbine during emergency shutdown through mechanical brake and hydrodynamic brake	Kai Wang, NTNU
Concept design verification of a semi-submersible floating wind turbine using coupled simulations	Fons Huijs, GustoMSC

B1 Grid connection
Power system integration of offshore wind farms	Tobias Hennig, Fraunhofer IWES
The Impact of Active Power Losses on the Wind Energy Exploitation of the North Sea	Hossein Farahmand, SINTEF Energi AS
Dynamic Series Compensation for the Reinforcement of Network Connections with High Wind Penetration	Juan Nambo-Martinez, Strathclyde University
Transient interaction between wind turbine transformer and the collection grid of offshore wind farms	Andrzej Holdyk, SINTEF Energy Research

B2 Grid connection (cont.)
Experimental verification of a voltage droop control for grid integration of offshore wind farms using multi-terminal HVDC	Raymundo E. Torres-Olguin, SINTEF Energi AS
Ancillary Services Analysis of an Offshore Wind Farm Cluster - Technical Integration Steps of an Simulation Tool	Tobias Hennig, Fraunhofer IWES
Sub-sea cable technology	Hallvard Faremo, SINTEF Energi AS

B3 Power system integration
Active damping of DC voltage oscillations in multiterminal HVDC systems	Salvatore D'Arco, SINTEF Energi AS
Analysis and Design of a LCL DC/DC converter for Offshore Wind Turbines	Rene A. Barrera, PhD Student NTNU
Fault Ride Through Enhancement of Multi Technology Offshore Wind Farms	Arshad, Ali, University of Strathclyde
Reliability of power electronic converters for offshore wind turbines	Magnar Hernes, SINTEF Energi AS

B4 Power System Integration (cont.)
Design and Optimisation of Offshore Grids in Baltic Sea for Scenario Year 2030	Vin Cent Tai, NTNU
Operation of power electronic converters in offshore wind farms as virtual synchronous machines	Jon Are Suul, SINTEF Energy
The Future of HVDC	Yiannis Antoniou, University of Strathclyde
North-Sea Offshore Network – NSON	Magnus Korpås, SINTEF Energi AS

C1 Met-ocean conditions
Using the NORSEWInD lidar array for observing hub-height winds in the North Sea	Charlotte Bay Hasager, DTU Wind Energy
Results and conclusions of a floating Lidar offshore test	Julia Gottschall, Fraunhofer IWES
Metocean analysis of a low-level coastal jet off the Norwegian coast	Konstantinos Christakos, Polytec R&D
Air-Sea Interaction Influenced by Swell Waves	Mostafa Bakhoday Paskyabi, Geophysical Institute, University of Bergen

C2 Met-ocean conditions (cont.)
Wave refraction analyses at the western coast of Norway for offshore applications	Ole Henrik Segtnan, Polytec R&D Institute
Improving Gap Flow Simulations near Coastal Areas of Continental Portugal	Paulo Costa, LNEG
Wave driven wind and the effect on offshore wind turbine performance	Siri Kalvig, StormGeo/University of Stavanger

D Operation & Maintenance
Fatigue Reliability-Based Inspection and Maintenance Planning of Gearbox Components in Wind Turbine Drivetrains	Amir Nejad, NTNU
Cost-Benefit Evaluation of Remote Inspection of Offshore Wind Farms by Simulating the Operation and Maintenance Phase	Øyvind Netland, NTNU
The effects of using multi-parameter wave criteria for accessing wind turbines in strategic maintenance and logistics models for offshore wind farms	Iver Bakken Sperstad, SINTEF Energi AS

E1 Installation & sub-structures
Experimental Studies and numerical Modelling of structural Behavior of a Scaled Modular TLP Structure for Offshore Wind turbines	Frank Adam, GICON
Tension-Leg-Buoy Platforms for Offshore Wind Turbines	Tor Anders Nygaard, IFE
A preliminary comparison on the dynamics of a floating vertical axis wind turbine on three different floating support structures	Michael Borg, Cranfield University
Modelling challenges in simulating the coupled motion of a semi-submersible floating vertical axis wind turbine	R. Antonutti, EDF R&D – IDCORE

E2 Installation & sub-structures (cont.)
Offshore wind R&D at NREL	Senu Sirnivas, NREL
Ringing and impulsive excitation of offshore wind turbines from steep and breaking waves on intermediate depth. Results from the Wave Loads project	Henrik Bredmose, DTU, Wind Energy
Damping of wind turbine tower vibrations by means of stroke amplifying brace concepts	Mark Brodersen, DTU

F Wind Farm Optimization
EERA-DTOC: How aerodynamic and electrical aspects come together in wind farm design	Gerard Schepers, Energy Research Center of the Netherlands
Benchmarking of Lillgrund offshore wind farm scale wake models in the EERA-DTOC project	K.S. Hansen, DTU
Variable Frequency Operation for Future Offshore Wind Farm Design: A Comparison with Conventional Wind Turbines	Ronan Meere, University College Dublin
Estimation of Possible Power in Offshore Wind Farms during Downregulation, PossPOW Project	Tuhfe Göçmen Bozkurt, DTU

G1 Experimental Testing and Validation
Joint test field research – selected results from the RAVE initiative	Michael Durstewitz, Fraunhofer IWES
Testing of towing and installation of Reinertsen self-installing concept	Marit Reiso, Reinertsen AS
Wind turbine wake blind test	Prof Per-Åge Krogstad, NTNU
Wind Turbine Wake Experiment - Wieringermeer (WINTWEX-W)	Valerie-Marie Kumer, UiB

G2 Experimental Testing and Validation (cont.)
Design of a 6-DoF Robotic Platform for Wind Tunnel Tests of Floating Wind Turbines	Marco Belloli, Politecnico di Milano
Experimental study on wake development of floating wind turbine models	Stanislav Rockel, ForWind, Univ Oldenburg
Floating Wind Turbines	Prof Paul Sclavounos, MIT
Numerical CFD comparison of Lillgrund employing RANS	Nikolaos Simisiroglou, WindSim AS

Closing session – Strategic Outlook
Floating wind technology – future development	Johan Slätte, DNV
Results from the Offshore Wind Accelerator Programme	Jan Matthiesen, Carbon Trust
Offshore wind developments	Prof Leonard Bohmann, Michigan Tech


Posters
Numerical simulation of a wind turbine with hydraulic transmission system	Zhiyu Jiang, NTNU
A DC-OPF Computation for Transmission Network Incorporating HVDC Transmission Systems	Phen Chiak See, NTNU
Cross-Border Transfer of Electric Power under Uncertainty: A Game of Incomplete Information	Phen Chiak See, NTNU
FSI-WT: A comprehensive design methodology for Offshore Wind Turbines	Espen Åkervik, FFI
First verification test and wake measurement results using a Ship-Lidar System	G Wolken-Möhlmann, Fraunhofer IWES
Buoy-mounted lidar provides accurate wind measurement for offshore wind farm developments	Jan-Petter Mathisen, Fugro OCEANOR
Characterization of the SUMO turbulence measurement system for wind turbine wake assessment	Line Båserud, UiB
Field Measurements of Wave Breaking Statistics Using Video Camera for Offshore Wind Application	Mostafa Bakhoday Paskyabi, UiB
Stochastic Particle Trajectories in the Wake of Large Wind Farm	Mostafa Bakhoday Paskyabi, UiB
LiDAR Measurement Campaign Sola (LIMECS)	Valerie-Marie Kumer, UiB
Fatigue Reliability-Based Inspection and Maintenance Planning of Gearbox Components in Wind Turbine Drivetrains	Amir Nejad, NTNU
Engineering Critical Assessment (ECA) of Electron Beam (EB) welded flange connection of wind turbine towers,	P. Noury, Luleå University of Technology
A Multiscale Wind and Power forecast system for wind farm	Adil Rasheed, SINTEF ICT
NOWITECH Reference Wind Farm	Henrik Kirkeby, SINTEF Energi AS
Actuator disk wake model in RaNS	Vitor M. M. G. Costa Gomes, Faculdade de Engenharia da Universidade do Porto
Model reduction based on CFD for wind farm layout assessment	Chad Jarvis, Christian Michelsen Research AS
Energy yield prediction of offshore wind farm clusters at the EERA-DTOC European project	E. Cantero, CENER
Sizing of Offshore Wind Localized Energy Storage	Franz LaZerte, NTNU
Unsteady aerodynamics of attached flow for a floating wind turbine	Lene Eliassen, UiS
FloVAWT: development of a coupled dynamics design tool for floating vertical axis wind turbines	Michael Borg, Cranfield University
Use of an industrial strength aeroelastic software tool educating wind turbine technology engineers	Paul E. Thomassen, Simis as
Offshore ramp forecasting using offsite data	Pål Preede Revheim, UiA
Significance of unsteady aerodynamics in floating wind turbine design	Roberts Proskovics, Univ of Strathclyde
Synergy and disadvantage: Offshore wind farm integration with aquaculture farm	Wei He, Statoil
Multiphysics optimization of ironless permanent magnet generator with super computer	S.M. Muyeen, The Petroleum Institute
Wind Tunnel Testing of a Floating Wind Turbine Moving in Surge and Pitch	Jan Bartl, NTNU
Sub-sea Energy Storage for Deep-sea Wind Farms	Ole Christian Spro, SINTEF Energi AS
How can more advanced failure modelling contribute to improving life-cycle cost analyses of offshore wind farms?	Kari-Marie Høyvik Holmstrøm, University of East London
Will 10 MW wind turbines bring down the operation and maintenance cost of offshore wind farms?	Matthias Hofmann/Iver Sperstad Bakken, SINTEF Energi AS
Modelling of Lillgrund wind farm: Effect of wind direction	Balram Panjwani, SINTEF
Lab-scale implementation of a multi-terminal HVDC grid connecting offshore wind farms	Raymundo Torres-Olguin, SINTEF