Welcome to Task 23 Subtask 1 Meeting Presentions

Recommendations(Draft)
Draft programme outline for IEA TASK 23 workshop Ecology and Regulation

Offshore Wind Energy Technology
and Deployment
Lemming

We@Sea Introductory Note

Research in Offshore Windparks
Lindeboom

Environmental Impact of Offshore Wind
Farms The Danish Experience
Clausen

Research programme on environmental effects of windpower parks
Vindval

Strategic Environmental Assessments as a tool for improving planning of offshore wind developments
Skov

Are available knowledge on environmental impacts being applied?
Larsen

Strategies for Risk Assessment for Ocean and Tidal Energy
Ram

Offshore Wind Farms and Marine Mammals
Leopold

Analysis of change in the marine
environment Support for environmental monitoring procedures
Lapeña

German Offshore Wind Energy Research - Funded by the Federal Government
Hofmann

Effects of Offshore Constructions on Benthos: Experiences from the research platform FINO1 in the German Bight
Schroeder

Offshore Wind Farm EIA Issues practical experiences in some countries
Dam

Summary of Manchester Workshop

RWE npower Susidiary Company
Allen

Electrical System Design for the Proposed 1GW Beatrice Offshore Wind Farm
Ault

Design and Operation of Power Systems with Large Amounts of Wind Power
Lemström

Integration of Wind Power by DC-Power Systems
Carlson

Commercial and regulatory issues for integrating offshore wind farms
Dale

Experiences with Offshore Windfarms
Nielsen

Grid integration of offshore wind power in The Netherlands
Groeman

Scroby Sands
Hair

Dynamic Performance of DFIGs and System Support
Jenkins

Offshore Wind Energy Technology and Deployment
Lemming

Study on the Economics of the Offshore Grid for Connection of the
Round Two Wind Farms
Nicholson

Future design and control strategies to improve integration of large wind farms
Sørensen

The regulator’s perspective
Stevens

Nysted Off-shore Windfarm
Havsager

Horns Rev Offshore vindmøllepark
Kristoffersen

Design of the Horns Rev Offshore Wind Farm
Sorensen

Predicting Offshore Windpower
Focken

UK Offshore Wind 2005 Horns Rev Update
Poulsen

Programme

Background to Task 23, the importance
of the topic and the expected outcomes.
Lemming

Key issues of integrating offshore wind: overview of the technical, economic and regulatory issues
Stevens (No Report)

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Lessons learned from existing large offshore wind farms:

Critical assessment of connection solutions, technical performance, grid codes,
impact on the grid operation
White (No Report)

Experience on Technical Solutions for Grid Integration of Offshore Windfarms
Yao

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Technical issues for offshore integration:

Overview of the technical issues of connecting wind farms to the grid
McLeod

Design standards for offshore transmission networks and options for Round II
Strbac

The Development of the GB Grid Code for the New Offshore Regime
Tleis

Danish grid connection code for offshore installations
Havsager

Technology options for connecting offshore wind farms
Stendius

Isolation coordination of the electrical system of wind farms
Lindgren

Wind Farm Modelling
Carlson (No Report)

AC based options for connecting of offshore wind farms
Burges

Grid connection of deep sea wind farms - options and challenges
Tande

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Commercial and regulatory issues for integrating offshore wind farms:

Grid Integration of Offshore Wind
Morgan

Issues for transmission network operators
Dale

Commercial and Regulatory Issues for Developers
Hamzah

Ensuring suitable solution for offshore wind farms, commercial risk
for the supply chain
Cooke

Workshop Participants

Meeting Introduction, Lemming

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Modeling of wind power fluctuations:

WPTS – Wind Power Time Series simulation model Poul Sørensen, Risø DTU, Denmark

Validation of power fluctuation simulation model, Nicolaos Cutululis, Risø DTU, Denmark

Power Fluctuations, Arno Brand, ECN, the Netherlands

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Wind speed and wind power measurements on large offshore locations:

Favourable meteorological conditions for severely variable
wind speeds at Horns Rev”
Claire Vincent, Risø DTU

Comparison of power fluctuations from offshore and offshore
Antonio Vigueras Rodríguez, University of Castilla-La Mancha, Spain

Future projects:

Offshore wind power development in Denmark
Jørgen Lemming, Risø DTU

Statkrafts Wind Power plans
Oyvind Kristiansen, Statkraft

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Prediction of wind power from large offshore wind farms:

Regime switching models for prediction of wind power fluctuations
Pierre Pinson, DTU IMM

New data assimilation techniques for short-term wind energy forecast models with a rapid update cycle
Caroline Draxl, Risø DTU

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Impact of power fluctuations on power system operation and control:

Offshore grids and wind power control (to be confirmed)
Ola Carlson, Chalmers

Offshore WRF simulations: geographical variation in wind power production for the North Sea” (75 MB)
Øyvind Byrkjedal, Vindteknikk

Reduction of Wind Power Variability by Aggregation of Wind Farms to Large Interconnected Offshore Grids
Jan Dobschinsky, ISET e.V.

The effect of geographical spreading on wind power fluctuations
Poul Sørensen

Overview Of Task 23

Risø National Laboratory Ministry for Science Technology and Innovation

Introduction to Task 23 Offshore Wind Energy Technology and Deployment
Jørgen Lemming

Satellite imaging techniques applied to offshore wind resource and wake loss assessment - what can be done and where are the problems?
Christiansen

ISAC-CNR
Sempreviva

Why is atmospheric stratification more important offshore than onshore and
where are the potential problems
Barthelmie

Mesoscale Modelling for Offshore Wind Farms – necessary for adequate accuracy offshore?
Badger

Summary of Offshore Wind Characterization Research in the U.S.
Musial

Offshore Wind and Turbulence Profiles from the FINO1-Mast
Türk

Offshore measurements with SODAR and Lidar
Jørgensen

How to predict wind-related external conditions
Nielsen

Wave prediction in Baltic coastal waters
Bergdahl

The Effect of Wave Modelling on the Calculation of Fatigue Loads
Trumars

Accuracy in wave loads
Graversen

Aspects of Determining the Design Parameters and Design Loads for OWECS
Zielke

Report on the Research Project
OWID (BMU-Project 0329961a: Offshore Wind Design Parameter)
Neumann

Reducing energy uncertainty throughout offshore wind farm development
Phillips

Vattenfall’s wind energy perspective Workshop IEA Annex XXIII 12-13
December 2005 Denmark
Kapper

Risk based decision analysis - Uncertainty modeling
Sørensen

Wake loading offshore – what are the differences from onshore?
Frandsen

Wake losses and turbulence within the Horns Rev off-shore wind farm
Jensen

Dynamic Wake Model for Aeroelastic Simulation of Fatigue and Extreme Loads
Thomsen

(Wake) Measurements on EWTW ‘ECN’s Wind turbine Test site Wieringermeer’
Schepers

Using the cost of energy to analyze and optimize the layout of offshore wind farms
Elkinton

Influence of near wake modeling on prediction of energy yield and dynamic
loading in wind farms
Trujillo

Description of the load cases in IEC 61400-3 and identification of difficulties and pitfalls in relation to assessment of external conditions
Tarp-Johansen

Main Conclusions from the IEA Annex 23, Workshop External Conditions, Layouts and Design of Offshore Wind Farms

Workshop Introduction
Frandsen

Wake meandering –a pragmatic approach
Larsen

Aeroelasticsimulations with the new wake meandering model
Thomsen

Modeling Wind Farm Interactions Using CFD
Tetsuya

Simulation and Modelling of Turbulence in Wind Farms
Sørensen

CFD-Modelling of Wind Farm Effects
Riedel

Analysis of array efficiency at Horns Rev and the effect of atmospheric stability
Downey

Wind Farm Layout Optimisation looking at capex and energy capture
Carter

Validation and development of wake models for array efficiency prediction in large wind farms
Phillips

Modelling of wind speed deficit in large wind farms
Frandsen

Implementation of Turbine Wake Model for Wind Ressource Software
Rathmann

Wake model verification using data from Danish wind farms
Barthelmie

Wind farm simulation for power surveillance and development for
loading calculation
Trujillo

Improvements of the WAKEFARM Wake Model
van der Pijl

Wake model validation calculations
Renkema

Workshop On Wake Modelling and Benchmarking of Models
Enevoldsen

Modelling Wake Effects Using Two CFD Effects
Cabezon

Wake model benchmarking
Barthelmie

Workshop Introduction
Lemming

Wake Effect Workshop Programme

Wake Effect and Power FlucuationsProgram

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Single and multiple-wake
of wind turbines:

Wake model evaluation in the UPwind and POW'WOW projects
Barthelmie

Wind Farm and Wake Modeling at NREL
Moriarty

Wake modelling
Brand

Wake meandering modeling for wind turbine loading
Trujillo

Wind farm and wake modelling at DTU
Sørensen

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Small and large clusters of wind turbines:

TOPFARM - background and vision
Larsen

Development and calibration of an engineering model for computation of wake velocity deficits
Aagaard

Wake measurements in a research farm consisting of 5 turbines 4 years data
Schepers

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Intermediate-scale and meso-scale
modelling of wind farms:

Plans/deas for Wind farm CFD
Sanderse

CFD modelling of the interaction between the Surface Boundary
Cabezon

CFD model of wind turbine wake in atmospheric turbulence using body forces
Rethore