DOWNViND - cost effective wind energy in deep waters

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DOWNViND - cost effective wind energy in deep
waters

• Presentation at OWEMES 2006
• Citavecchia April 20-22, 2006
• By
• Göran Dalén, E.ON Wind, Sweden

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DOWNViND stands for ..

• Distant Offshore Windfarms with No Visual Impact
  in Deepwater
• The Research programme is funded within FP 6
• Other main financial contributors are
• Talisman Energy
• Scotish Southern Energy
• DTI
• Scottish Executive
• Talisman Energy is the main coordinator
• E.ON, Sweden is coordinating the Research work

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Capital Cost 41.5 million Public sector
contribution 35 of capital costs EC contribution
6 million
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Objective Form the basis for the next generation
large offshore wind power plants in deep water.
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RTD sites Cromatry Firth and Utblicken
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Participant Number Participant Name
01 Talisman Energy (UK) Limited
02 SSE Generation
03 EDF
04 Eon Sweden
05 University of Aberdeen
06 Teknikgruppen
07 Hammarlund Consulting
08 PB Consultants
09 Risoe
10 ECN
11 KTH University
12 Stockholm University
13 Strathclyde University
14 Lund University
15 REpower Systems
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18 Germanischer Lloyd WindEnergie
19 Nautilus Associates
Total 14 out of 17 Contractors in Downvind take
part in RTD
TEKNIKGRUPPEN
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WG1 - Environment

• Stockholm University
• Study on acoustic effects on fish and reef
  effects on existing wind farm Utgrunden I
• Before and After study summer 2007/8

• Lund University
• Analysis of birds, resting, feeding, migrating as
  effects of existing Utgrunden I wind farm.
• Aberdeen University
• Analysis of sensitive areas for dolphins and
  birds, noise measuring compared
• to models, before and after study on birds
  and dolphins.
• Hammarlund Consulting
• Guide for good communication strategies for
  offshore wind farms.

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WG2 - Electrical

• SSE
• Issues on connecting large intermittent
  generation resources/Beatrice 1GW
• KTH (Royal Institute of Technology)
• Tech/econ feasibility of different solutions for
  transmission system from 1 GW wind farm to shore
  
• Strathclyde University
• Conceptual design for offshore wind farm
  electrical system
• EdF
• Analyse fast transients and dynamic stability

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WG3 Operation Maintanance

• Is finalised.

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WG4 5.11 Wind Turbine Substructure

• Risoe
• Design Basis for Beatrice and Södra Midsjöbanken
• ECN and TG (Teknikgruppen)
• Offshore structure verification
• Germanischer Lloyd
• Recommendations for future design

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Test of Lidar at Fino 1 platform
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Talisman Energy Oil Platform Beatrice
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Key Participants in Demonstrator

• Engineering Project Mgt
• AMEC Group Ltd
• Supply of turbines
• REpower Systems AG
• Supply of cables
• JDR Cable Systems Ltd
• Substructures piles
• BiFab Ltd

• BOWTIS
• Engineering Business Ltd
• Installation
• Scaldis
• Cable installation
• Subsea 7

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Two wind turbines REpower 5M

• Rated power 5 MW
• Rotor diameter 126 m
• Hub height 120 m

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Installed wind turbine with OWEC Jacket Quadropod

• Hub height 88 m
• Rotor dia 126 m
• Weight of Nacelle 410 t
• Weight of tower 220 t
• Jacket abt 70 m high
• Jacket base 20x20 m
• Jacket weight 750 tons
• (incl transition piece)
• Pile length 44 m
• Pile dia 1.8 m
• Pile weight 115 tons each

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OWEC Jacket

• Piles secured by swedgeing

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Access system

• Designed for Eric
• and 4 metres of tide
• Two access points

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Soft Landing System
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Installation
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Images\2006-060-BWFP-WTG INSTALLATION_10000.png
May EIA approval
June, assembly WTG
15 Juli, installation fundations, and WTG
15 Augusti, Start-Up
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