Cutululis, Nicolaos Antonio

Detlefsen, Nina

Gøttig, Allan

Sørensen, Poul Ejnar

Online Research Database In Technology

                       General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.  • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal   If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim.     Downloaded from orbit.dtu.dk on: Dec 20, 2017Demo 4: Storm managementDetlefsen, Nina; Gøttig, Allan; Cutululis, Nicolaos Antonio; Sørensen, Poul EjnarPublication date:2011Document VersionPublisher's PDF, also known as Version of recordLink back to DTU OrbitCitation (APA):Detlefsen, N., Gøttig, A., Cutululis, N. A., & Sørensen, P. E. (2011). Demo 4: Storm management [Sound/Visualproduction (digital)]. TWENTIES workshop - Large-scale integration of wind power. European wind energyconference EWEA 2011, Brussels (BE), 14 Mar, 01/01/2011DEMO4: STORM MANAGEMENTNina Detlefsen, Energinet.dk (demo leader)Allan Gøttig, Energinet.dkNicolaos Cutululis, Risø DTUPoul Sørensen, Risø DTU (presenter)48Demo 4 STORM MANAGEMENT (Leader: Energinet)16/03/2011• Demonstrate shut down of wind farms under stormy conditions without jeopardizing safety of the systemMain objective• Horns Rev 2 (200MW)• Flexible turbine control• Storm front forecasts • Investigate cost of changed production associated with the planned down regulation• Coordinate wind farm control with HVDC interconnector control and with hydro power plant operationApproachwww.twenties-project.euWind powerHydro power49Present wind turbines in Denmarkwww.twenties-project.eu50Possible offshore wind plants in Denmark (23 x 200 MW)www.twenties-project.eu51Strategiesy Two possible strategies:Manual controlAutomatic controlyManual control involves:Wind speed forecastingWind power forecastingSystem imbalance forecastingRegulating powery Automatic control involves:New controller in the turbinesAutomatic imbalance control52Wind speed – statistics of 91 wind turbines53Wind power54Wind speed forecast55Wind power forecast56Definition of Extreme Wind Period (EWP)yWind speeds:v1: cut-in wind speedv2: rated wind speedv4: cut-out wind speedv3: high wind reconnection wind speedy EWP for single turbineStarts when v > v4 (typically 25 m/s)Ends when v < v3 (typically 20 m/s)y EWP for wind power plant (wind farm)Starts when half of wind turbines are cut-out(typically at wind farm average 22.5 m/s)Stops when half of wind turbines are re-connected (typically at wind farm average 18 m/s)www.twenties-project.eu57Statistics of Extreme Wind Periods (EWPs)y Ideally, purpose is to compare actualand forecasted wind speedsy Difficult to provide sufficiently long period of datay Forecasts are from Energinet.dky Historical data would ideally bemeasurements, but are re-analysisperformed with Weather Research and Forecasting (WRF)-modely Grahps show 100m height (10m data much better agreement, but lessrelevant)www.twenties-project.eu111471333113 2192007 2008 2009 2010 SUMNr. of OccurencesForecast Historical58KPI: worst case forecast erroryMaximum absolute power prediction error for eachExtreme Wind Period(EWP)www.twenties-project.eu0 5 10 15 20 25 3000.10.20.30.40.50.60.70.80.91EventsError [p.u.]59Conclusionsy New turbine controller will be developedy Improved actions based on wind power forecasts will be developedy Potential of Norwegian Hydroy Impact from storm in Danish (UCTE) and Nordic systemy Correlation of storms in the regions will be assessedTHANK YOU FOR YOUR ATTENTION

Demo 4: Storm management

http://orbit.dtu.dk/ws/files/10145157/demo4.pdf

Demo 4: Storm management

Abstract

Similar works

Full text

Available Versions

Online Research Database In Technology