Offshore Wind Power Projects
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Modeling and Dynamic Analysis of Offshore Wind Farms in France: Impact on Power System Stability
04/11/2011 Modeling and dynamic analysis of offshore wind farms in France: Impact on power system stability KTH Master Thesis report number Alexandre Henry Examiner at KTH Dr. Luigi Vanfretti Supervisors at KTH Dr. Luigi Vanfretti and Camille Hamon Supervisor at EDF Dr. Bayram Tounsi Laboratory Electric Power Systems School of Electrical Engineering KTH, Royal Institute of Technology Stockholm, November 2011 Accessibility : .. Front page Page I / III ... Modeling and dynamic analysis of offshore wind farms in France: Impact on KTH EPS power system stability - EDF R&D Abstract Alexandre Henry Page 1 / 90 KTH Master Thesis Modeling and dynamic analysis of offshore wind farms in France: Impact on KTH EPS power system stability - EDF R&D Nomenclature EWEA : European Wind Energy Association UK : United Kingdom EU : European union AC : Alternating current DC : Direct current HVAC : High Voltage Alternating Current HVDC : High Voltage Direct Current PCC : Point of Common Coupling TSO : Transmission System Operator RTE : Réseau de transport d’électricité (French TSO) XLPE : cross linked polythylene insulated VSC : Voltage source converter LCC : Line commutated converter FACTS : Flexible AC Transmission System SVC : Static Var Compensator DFIG : Double Fed Induction Generator MVAC : Medium Voltage Alternating Current ENTSO-E : European Network of Transmission System Operators for Electricity HFF : High Frequency Filter FRT : Fault Ride Through Alexandre Henry Page 2 / 90 KTH Master Thesis Modeling and dynamic analysis of offshore wind farms -
High-Resolution CFD Modelling of Lillgrund Wind Farm
International Conference on Renewable Energies and Power Quality (ICREPQ’13) Bilbao (Spain), 20th to 22th March, 2013 Renewable Energy and Power Quality Journal (RE&PQJ) ISSN 2172-038 X, No.11, March 2013 High-resolution CFD modelling of Lillgrund Wind farm A.C.W. Creech1, W.-G. Früh2 and A.E. Maguire3 1 Institute of Energy Systems, School of Engineering, University of Edinburgh Kings Buildings, Edinburgh EH9 3JL (UK) E-mail: [email protected] 2 Institute of Mechanical, Process and Energy Engineering, School of Physical Sciences and Engineering, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS (UK) E-mail: [email protected] 3 Vattenfall United Kingdom, Research & Development New Renewables The Tun, Holyrood Road, Edinburgh EH8 8AE (UK) E-mail: [email protected] Abstract. We report on a fully dynamic simulation of key factor affecting the performance is that turbines in Vattenfall’s Lillgrund offshore Wind Farm, with a focus the array may be in the wakes of upstream turbines where on the wake effects of turbines on the performance of they experience substantially lower wind speeds than the individual turbines, and of the farm as a whole. upstream turbines [1]. Common approaches are Reynolds-Averaged Navier-Stokes (RANS) CFD or simpler flow modelling coupled with linear wake theory, The model uses a dynamic representation of a wind turbine such as Jensen’s Park model. However, it is recognised to simulate interaction between the wind and the turbine that the simple wake models lose accuracy when applied rotors, calculating the instantaneous power output and to multiple wakes interacting. -
Lillgrund Wind Power Offshore
LILLGRUND WIND POWER OFFSHORE 110 MW UNDER CONSTRUCTION IN SOUTHERN SWEDEN. Jeju, Korea, April 20, 2007 Kenneth Averstad, Vattenfall AB Wind Power, Sweden © Vattenfall AB 1 Agenda • Short presentation of my company Vattenfall AB and our wind power development activities. • Lillgrund Wind Power Offshore Project 110 MW. • Other Offshore Wind Projects under Development in Sweden. © Vattenfall AB Vattenfall AB's Electricity Generation About 160 TWh / year Finland 0,5 TWh Sweden 80 TWh 7 TWh Denmark 68 TWh 2,3 TWh Germany Poland © Vattenfall AB Vattenfall Nordic Wind Power 2007: 487 MW ; 1200 GWh/yr Denmark 406 WT, 309 MW, Sweden 62 WT, 750 GWh 54 MW, 120 GWh Finland 10 WT, 4 MW, 8 GWh England 30 WT, Poland 15 WT, 90 MW, 270 GWh 30 MW, 60 GWh Own and operate total: 523 wind turbines = Offices © Vattenfall AB Vattenfall’s Offshore Wind Power in Operation 2007 Horns Rev (60%), 360 GWh Utgrunden 1 + + Yttre Stengrund, Kentish Flats, 60 GWh 270 GWh Map from Vattenfall’s Corporate Social Responsibility Report (www.vattenfall.com) © Vattenfall AB Näsudden = Vattenfall’s O&M and Test Centre - since 1982 and prototype testing, for example: Nordic Windpower 2, 1000 kW Nordic Windpower 1, 1000 kW Näsudden 2, 3000 kW Located on the island Gotland in the Baltic Sea. © Vattenfall AB Näsudden 2, 3000 kW Gotland, Sweden 61.4 GWh WORLD RECORD Finally stopped January 9, 2007 at 02:29, after 61,469 generating hours since start March 14, 1993. Vibration alarms, low oil pressure in gear- box. Inspection showed severe damages in gearbox, many teeth in different gear- box steps have been damaged. -
Future Potential for Offshore Wind in Wales Prepared for the Welsh Government
Future Potential for Offshore Wind in Wales Prepared for the Welsh Government December 2018 Acknowledgments The Carbon Trust wrote this report based on an impartial analysis of primary and secondary sources, including expert interviews. The Carbon Trust would like to thank everyone that has contributed their time and expertise during the preparation and completion of this report. Special thanks goes to: Black & Veatch Crown Estate Scotland Hartley Anderson Innogy Renewables MHI-Vestas Offshore Wind Milford Haven Port Authority National Grid Natural Resources Wales Ørsted Wind Power Port of Mostyn Prysmian PowerLink The Crown Estate Welsh Government Cover page image credits: Innogy Renewables (Gwynt-y-Môr Offshore Wind Farm). | 1 The Carbon Trust is an independent, expert partner that works with public and private section organizations around the world, helping them to accelerate the move to a sustainable, low carbon economy. We advise corporates and governments on carbon emissions reduction, improving resource efficiency, and technology innovation. We have world-leading experience in the development of low carbon energy markets, including offshore wind. The Carbon Trust has been at the forefront of the offshore wind industry globally for the past decade, working closely with governments, developers, suppliers, and innovators to reduce the cost of offshore wind energy through informing policy, supporting business decision-making, and commercialising innovative technology. Authors: Rhodri James Manager [email protected] -
Working at Heights
COMMUNICATION HUB FOR THE WIND ENERGY INDUSTRY SPECIALIST SURVEYING WORKING AT HEIGHTS LAW SPOTLIGHT ON TYNE & TEES APRIL/MAY 2013 | £5.25 INTRODUCTION ‘SPOTLIGHT’ ON THE TYNE & THE TEES CONTINUING OUR SUCCESSFUL REGULAR FEATURES company/organisation micropage held ‘Spotlight On’ featureS WE We can boast no fewer than 9 separate within our website, so that you can learn AGAIN VISIT THE TYNE & TEES features within this edition. Some much more in all sorts of formats. AS ‘an area of excellence are planned and can be found in our IN THE WIND ENERGY INDUSTRY ‘Forthcoming Features’ tab on our These have already become very popular THROUGHOUT EUROPE AND website – we do however react to editorial as it links the printed magazine in a very beyond’ received, which we believe is important interactive way – a great marketing tool to the industry and create new features to for our decision making readership to The area is becoming more and more suit. find out about products and services important to the wind energy industry. immediately following the reading of an As you will see the depth and breadth Therefore please do not hesitate to let us interesting article. Contact the commercial of the companies and organisations know about any subject area which you department to find out how to get one for who have contributed to this feature do feel is important to the continued progress your company. not disappoint. of the industry and we will endeavour to bring it to the fore. The feature boasts the largest page Click to view more info count so far which stretches over 40 WIND ENERGY INDUSTRY SKILLS GAP pages! – initiative update = Click to view video I year ago we reported that there were 4 COLLABORATION AND THE VESSEL main areas to focus on if we are to satisfy CO-OPERATIVE that need and would include a focused Our industry lead article in this edition approach in the following areas. -
Who Is Forewind?
Who is Forewind? Forewind is a joint venture consortium comprising four leading international energy companies which have joined forces to bid for Zone Development Agreements as part of The Crown Estate’s third licence round for UK offshore wind farms (Round 3). The four partners are: Scottish and Southern Statoil - a world leading Statkraft - Europe’s RWE npower renewables Energy Plc, one of the offshore oil and gas largest generator of the UK subsidiary of largest energy companies operator renewable energy Pan-European renewable in the UK. energy company RWE Innogy Each of the Forewind partners has a demonstrable long-term strategy and commitment to large-scale renewable energy generation, in particular offshore wind. Round 3 offshore wind Most of The Crown Estate Round 3 Zones are many times larger than any previous wind farm development area anywhere in the world. The zones will require developers with significant resources. Successful bidders for the nine zones will be given exclusive rights to develop wind farms under the terms of a Zone Development Agreement. These development zones will have the potential for the construction of multiple wind farm sites. The realisation of the UK Government’s target of 25GW of offshore wind by 2020 is also heavily dependent on developing solutions to a number of issues such as cumulative impact, grid, consenting processes and supply chain. “ The Crown Estate’s Round 3 offshore wind programme has ambitious targets which will only be achievable with the support and input of strong companies committed to the future of the UK wind industry such as the four partners comprising the Forewind consortium.” Maria McCaffery, CEO, BWEA www.forewind.co.uk | [email protected] Why form a consortium The extraordinary challenges facing Round 3 developers require extraordinary resources and innovative thinking. -
7.3 Strategic Options Report
The North Wales Wind Farms Connection Project Strategic Options Report Application reference: EN020014 March 2015 Regulation reference: The Infrastructure Planning (Applications: Prescribed Forms and Procedure) Regulations 2009 Regulation 5(2)(q) Document reference 7.3 The Planning Act 2008 The Infrastructure Planning (Applications: Prescribed Forms and Procedure) Regulations 2009 Regulation 5(2)(q) The North Wales Wind Farms Connection Project Strategic Options Report Document Reference No. 7.3 Regulation No. Regulation 5(2)(q) Author SP Manweb Date March 2015 Version V1 Planning Inspectorate Reference EN020014 No. SP Manweb plc, Registered Office: 3 Prenton Way Prenton CH43 3ET. Registered in England No. 02366937 SUMMARY The North Wales Wind Farms Connection Project is a major electrical infrastructure development project, involving several wind farm developers and the local Distribution Network Operator – SP Manweb plc (SP Manweb). The development of on-shore wind generation in Wales is guided by the Welsh Government’s energy strategy, initially published in 2003. In their Technical Advice Note (TAN) 8: renewable energy (2005) the Welsh Government identified 7 Strategic Search Areas (SSAs) as potential locations for wind generation, of which area A is in North Wales. During the past 20 years, approximately 220 MW of wind generation (both onshore and offshore) have been connected to the SP Manweb distribution network in North Wales. Within the TAN 8 SSA A, SP Manweb is currently contracted to connect a further four wind farms[1] which have received planning consent and total 170 MW of generation. SP Manweb has a statutory duty to offer terms to connect new generating stations to its distribution system. -
10Th July 2000
News Release 14 March 2012 Siemens awards multi-million tower contract to South Wales firm Fifteen towers destined for Mynydd y Betws wind farm project as Mabey Bridge is awarded first contract by the UK’s largest provider of wind turbines Siemens, the leading global engineering and technology company, has announced that it has placed an order with South Wales based Mabey Bridge to manufacture towers for 15, 2.3MW turbines bound for the Mynydd y Betws wind farm in Carmarthenshire. Siemens will supply, transport, install and commission the two-section 63-metre- high, 105 tonne towers for local developer, Cambrian Renewable Energy Limited (CREL), owned by the ESB, Ireland’s main electricity utility company. The wind turbines will have a tip height of 110 metres, and an installed capacity of up to 34.5MW. The project will generate electricity to power approximately 18,250 households, equivalent to almost a quarter of Carmarthenshire. More than two million tonnes of carbon dioxide emissions will be saved over the lifetime of the project. The towers will be delivered in summer 2012 and the project is due for completion by February 2013. Originally developed by CREL, a Welsh consortium of Eco2 and local investors, Mynydd y Betws Wind Farm was acquired in June 2010 by ESB. ESB is committed to halving its carbon emissions by 2020 and achieving carbon net-zero emissions Page 1 of 3 by 2035. In addition to Mynydd y Betws, other projects include the Fullabrook Wind Farm in Devon and the West Durham Wind Farm. Commenting on the Mynydd y Betws Wind Farm project a spokesperson from ESB said: "ESB is committed to realising benefits for local communities by developing new green energy sources. -
Assessment of Vessel Requirements for the U.S. Offshore Wind Sector
Assessment of Vessel Requirements for the U.S. Offshore Wind Sector Prepared for the Department of Energy as subtopic 5.2 of the U.S. Offshore Wind: Removing Market Barriers Grant Opportunity 24th September 2013 Disclaimer This Report is being disseminated by the Department of Energy. As such, the document was prepared in compliance with Section 515 of the Treasury and General Government Appropriations Act for Fiscal Year 2001 (Public Law 106-554) and information quality guidelines issued by the Department of Energy. Though this Report does not constitute “influential” information, as that term is defined in DOE’s information quality guidelines or the Office of Management and Budget's Information Quality Bulletin for Peer Review (Bulletin), the study was reviewed both internally and externally prior to publication. For purposes of external review, the study and this final Report benefited from the advice and comments of offshore wind industry stakeholders. A series of project-specific workshops at which study findings were presented for critical review included qualified representatives from private corporations, national laboratories, and universities. Acknowledgements Preparing a report of this scope represented a year-long effort with the assistance of many people from government, the consulting sector, the offshore wind industry and our own consortium members. We would like to thank our friends and colleagues at Navigant and Garrad Hassan for their collaboration and input into our thinking and modeling. We would especially like to thank the team at the National Renewable Energy Laboratory (NREL) who prepared many of the detailed, technical analyses which underpinned much of our own subsequent modeling. -
Triton Knoll Offshore Wind Farm Limited TRITON KNOLL
Triton Knoll Offshore Wind Farm Limited TRITON KNOLL ELECTRICAL SYSTEM Environmental Statement Volume 1 Chapter 1: Introduction April 2015, Revision A Document Reference: 6.2.1.1 Pursuant to: APFP Reg. 5(2)(a) Triton Knoll Offshore Wind Farm Ltd Triton Knoll Electrical System Environmental Statement - Volume 1 Copyright © 2015 Triton Knoll Offshore Wind Farm Limited All pre-existing rights reserved. Triton Knoll Offshore Wind Farm Limited Triton Knoll Electrical System Liability In preparation of this document Triton Knoll Offshore Wind Farm Limited (TKOWFL), a joint venture between RWE Environmental Statement Innogy UK (RWE) and Statkraft UK, subconsultants working on behalf of TKOWFL have made reasonable efforts to Volume 1: Chapter 1 – Introduction ensure that the content is accurate, up to date and complete for the purpose for which it was prepared. Neither TKOWFL nor their subcontractors make any warranty as to the April 2015 accuracy or completeness of material supplied. Other than any liability on TKOWFL or their subcontractors detailed in the contracts between the parties for this work neither TKOWFL or their subcontractors shall have any liability for any loss, damage, injury, claim, expense, cost or other Drafted By: GoBe Consultants Ltd consequence arising as a result of use or reliance upon any information contained in or omitted from this document. Approved By: Kim Gauld-Clark Any persons intending to use this document should satisfy themselves as to its applicability for their intended purpose. Date of Approval April 2015 Where appropriate, the user of this document has the Revision A obligation to employ safe working practices for any activities referred to and to adopt specific practices appropriate to local conditions. -
Offshore Wind Turbine Installation Analyses
= Offshore Wind Turbine Transportation & Installation Analyses Planning Optimal Marine Operations for Offshore Wind Projects EMRE URAZ Master Thesis Visby, Sweden 2011 Offshore Wind Turbine Transportation & Installation Analyses Planning Optimal Marine Operations for Offshore Wind Projects Master Thesis by Emre URAZ Master Thesis written at Gotland University, June 2011, Department of Wind Energy Supervisor: Richard Koehler HGO, Department of Wind Energy Examiner: Dr. Bahri Uzunoğlu HGO, Department of Wind Energy Abstract Transportation and installation of offshore wind turbines (Tower, Nacelle and Rotor) is a complete process conducted over several phases, usually in sequence. There are several factors that can turn this process into a challenge. These factors can either be due to offshore site conditions or the technical limitations of the installation vessels. Each project has its own characteristic parameters and requires a unique optimum solution. This paper identifies the dynamics of the installation process and analyzes the effects of each phase on the progression of events. The challenges in wind turbine installations due to offshore environment were investigated, the effects of each were explained and their significances were stressed. Special installation vessels were examined and their technical specifications were analyzed in terms of working conditions, dimensions, service performances, and crane capacities as well as projecting future design trends. Several offshore wind farm projects were analyzed; their installation methods were specified, and compared to each other to determine advantages and disadvantages of different pre-assembly concepts. The durations of the sub-phases of the process were defined in terms of different variables such as site conditions and individual vessel performance. These definitions were used for making time estimations, and conducting further analyses regarding the effects of different site specific parameters on the overall project duration. -
Master's Thesis Template Word
The challenges in installation of offshore wind farms A case of Lillgrund and Anholt wind farms Master’s thesis in Design and Construction Project Management ISSA IBRAHIM HABAKURAMA JOSEPH BALUKU Department of Civil and Environmental Engineering CHALMERS UNIVERSITY OF TECHNOLOGY Gothenburg, Sweden 2016 MASTER’S THESIS BOMX02-16-104 The challenges in installation of offshore wind farms A case of Lillgrund and Anholt wind farms Master’s Thesis in the Master’s Programme Design and Construction Project Management ISSA IBRAHIM HABAKURAMA JOSEPH BALUKU Department of Civil and Environmental Engineering Division of Construction Management Construction Management CHALMERS UNIVERSITY OF TECHNOLOGY Göteborg, Sweden 2016 The challenges in installation of offshore wind farms A case of Lillgrund and Anholt wind farms Master’s Thesis in the Master’s Programme Design and Construction Project Management ISSA IBRAHIM HABAKURAMA JOSEPH BALUKU © ISSA IBRAHIM HABAKURAMA, JOSEPH BALUKU 2016 Examensarbete BOMX02-16-104 / Institutionen för bygg- och miljöteknik, Chalmers tekniska högskola 2016 Department of Civil and Environmental Engineering Division of Construction Management Construction Management Chalmers University of Technology SE-412 96 Göteborg Sweden Telephone: + 46 (0)31-772 1000 Department of Civil and Environmental Engineering Göteborg, Sweden, 2016 I The challenges in installation of offshore wind farms A case of Lillgrund and Anholt wind farms Master’s thesis in the Master’s Programme Design and Construction Project Management ISSA IBRAHIM HABAKURAMA JOSEPH BALUKU Department of Civil and Environmental Engineering Division of Construction Management Construction Management Chalmers University of Technology ABSTRACT Wind energy is one of the rapidly growing sources of energy due low emissions resulting from its use.