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Online model updating by a wake detector for wind farm control

Johannes Schreiber, Carlo Luigi Bottasso
2018 Zenodo  
The updated model exhibits improved prediction capabilities, and it can be used for implementing a model-based wind farm controller.  ...  An engineering wake model is updated online based on measurements provided by shaded turbines.  ...  ACKNOWLEDGMENT This work has been supported by the CL-WINDCON project, which receives funding from the European Union Horizon 2020 research and innovation program under grant agreement No. 727477.  ... 
doi:10.5281/zenodo.2593199 fatcat:5ju3m77x7bapdgwyi5nznolo6u

Field testing of a local wind inflow estimator and wake detector

Johannes Schreiber, Carlo L. Bottasso, Marta Bertelè
2020 Wind Energy Science  
Shear and wake awareness have multiple uses, from turbine and farm control to monitoring and forecasting.  ...  From the local speed estimates, the method can reconstruct the vertical wind shear and detect the presence and location on an impinging wake shed by an upstream wind turbine.  ...  This research has been supported by the German Federal Ministry for Economic Affairs and Energy (FKZ: grant no. 0325492G, CompactWind II project).  ... 
doi:10.5194/wes-5-867-2020 fatcat:iwp5w3vplvcjtijvvfjrtmolce

Distributed Learning Applications in Power Systems: A Review of Methods, Gaps, and Challenges

Nastaran Gholizadeh, Petr Musilek
2021 Energies  
In recent years, machine learning methods have found numerous applications in power systems for load forecasting, voltage control, power quality monitoring, anomaly detection, etc.  ...  Distributed learning is a subfield of machine learning and a descendant of the multi-agent systems field.  ...  A quantile regression model was used to formulate the wind farm power output as a function of on-site and off-site input features.  ... 
doi:10.3390/en14123654 fatcat:25fv4mw2dfan5c23lhi3l45tte

A Review of the Development of Key Technologies for Offshore Wind Power in China

Qixiang Fan, Xin Wang, Jing Yuan, Xin Liu, Hao Hu, Peng Lin
2022 Journal of Marine Science and Engineering  
, are reviewed. (2) Three main technical components in offshore wind farms are discussed, including wind turbine, foundations, and booster stations. (3) The state-of-the-art method of the offshore wind  ...  Recommendations for future development of the wind power industry are provided for China, which may be referable for other nations with comparable circumstances.  ...  The wake influence zone linearly expands with the distance, while the speed attenuation mode of the wake involves linear recovery. The FUGA model proposed by Ott et al.  ... 
doi:10.3390/jmse10070929 fatcat:d4nokxumzvhkjhlbxjkqjrdzaq

A spinner-integrated wind lidar for enhanced wind turbine control

T. Mikkelsen, N. Angelou, K. Hansen, M. Sjöholm, M. Harris, C. Slinger, P. Hadley, R. Scullion, G. Ellis, G. Vives
2012 Wind Energy  
ABSTRACT A field test with a continuous wave wind lidar (ZephIR) installed in the rotating spinner of a wind turbine for unimpeded preview measurements of the upwind approaching wind conditions is described  ...  WIND ENERGY Wind Energ. (2012) Published online in Wiley Online Library (wileyonlinelibrary.com).  ...  Vestas Wind Systems is acknowledged for safe operations of the NM80 turbine.  ... 
doi:10.1002/we.1564 fatcat:7fktrd57q5d33oyskdge3wzbwe

Temporal Up-Sampling of Planar Long-Range Doppler LiDAR Wind Speed Measurements Using Space-Time Conversion

Hauke Beck, Martin Kühn
2019 Remote Sensing  
Compromises between spatial and temporal resolutions are always necessary in the study of heterogeneous flows, like wind turbine wakes.  ...  Below, we develop a method for space-time conversion that acts as a temporal fluid-dynamic interpolation without incurring the immense computing costs of a 4D flow solver.  ...  We thank Andreas Rott for initial ideas about the closure of the wind-field propagation. We thank Mehdi Vali for performing LES simulations of the wake wind field.  ... 
doi:10.3390/rs11070867 fatcat:m2mvyuzvcfh6fjvyf2sji6tl2q

Persistence in complex systems

S. Salcedo-Sanz, D. Casillas-Pérez, J. Del Ser, C. Casanova-Mateo, L. Cuadra, M. Piles, G. Camps-Valls
2022 Physics reports  
A complete literature review is also carried out.  ...  Persistence is an important characteristic of many complex systems in nature, related to how long the system remains at a certain state before changing to a different one.  ...  GCV work is supported by the European Research Council (ERC) under the ERC-CoG-2014 SEDAL Consolidator grant (grant agreement 647423) and the ERC Synergy Grant 'Understanding and Modelling the Earth System  ... 
doi:10.1016/j.physrep.2022.02.002 fatcat:gkemhragnnaixplufrruyca4ci

Potential environmental effects of deepwater floating offshore wind energy facilities

Hayley Farr, Benjamin Ruttenberg, Ryan K. Walter, Yi-Hui Wang, Crow White
2021 Ocean and Coastal Management  
This review takes the necessary first steps in summarizing the available information on the potential environmental effects of deepwater, floating OWFs and can serve as a reference document for marine  ...  Our synthesis of 89 articles selected for the review suggests that many of these potential effects could be mitigated to pose a low risk to the marine environment if developers adopt appropriate mitigation  ...  Acknowledgements This work was supported by the U.S.  ... 
doi:10.1016/j.ocecoaman.2021.105611 fatcat:6ihgyvstsjcalacfwjeihpl4ue

The ALICE Transition Radiation Detector: Construction, operation, and performance

2018 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
A pion rejection factor of up to 410 is achieved at a momentum of 1 GeV/c in p-Pb collisions and the resolution at high transverse momentum improves by about 40 TRD information in track reconstruction.  ...  The triggering capability is demonstrated both for jet, light nuclei, and electron selection.  ...  In Run 1, the wake-up signal required for the front-end electronics was generated by a dedicated pretrigger system.  ... 
doi:10.1016/j.nima.2017.09.028 fatcat:2z473obs7rdfnk3czc2pxb5xbe

Book Review: Wind and Solar Power Systems—Design, Analysis, and OperationWind and Solar Power Systems—Design, Analysis, and Operation; PatelMukund R., Taylor and Francis Group/CRC, 2nd edition2006 (ISBN 0-8493-1570-0, xvi + 448 pages)

2006 Wind Engineering : The International Journal of Wind Power  
A wide variety of references are listed.  ...  Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their  ...  As for the planning models and operations, researchers are studying how multiple wind farms or multiple wind generators in one large farm can smooth out each other's output in a variable wind environment  ... 
doi:10.1260/030952406778606197 fatcat:ay2pnjxi5rhs7ndqhwmwsya2zm

Efficacy of wind power in mitigation of CO2 emission from the irish electrical grid

Paul Brogan, John Morrow, Robert Best, David Laverty
2014 2014 IEEE PES General Meeting | Conference & Exposition  
. . . . . . . . . . . . . . . . 72 Tenohlen, S. . . . . . . . . . . . . . . . . . . 83 Terry Saxton, T. . . . . . . . . . . . . . . 142 Tesfatsion, L. . . . . . . . . . . . . . . . . 159 Testa, A.  ...  . . . . . . . . . . . . . . 53 Tseng, K. . . . . . . . . . . . . . . . . . 55, 90 Tuck, B.. . . . . . . . . . . . . . . . . . . . . . 52 Tull De Salis, R. . . . . . . . . . . . . . . . 73 Tuohy, A.  ...  Which requirements are posed on offshore wind farm control systems?  ... 
doi:10.1109/pesgm.2014.6939860 fatcat:y56dfxpqo5erhk76uacwjz2c6y

The BABAR Detector: Upgrades, Operation and Performance [article]

The BABAR Collaboration
2013 arXiv   pre-print
This report covers upgrades, operation, and performance of the collider and the detector systems, as well as the trigger, online and offline computing, and aspects of event reconstruction since the beginning  ...  The BABAR detector operated successfully at the PEP-II asymmetric e+e- collider at the SLAC National Accelerator Laboratory from 1999 to 2008.  ...  This work has been supported by the US Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada),  ... 
arXiv:1305.3560v2 fatcat:lqlr4cjpkjc7nn7257qalyrrha

The ALICE Transition Radiation Detector: construction, operation, and performance

Shreyasi Acharya, Jaroslav Adam, Dagmar Adamova, Clemens Adler, Jonatan Adolfsson, Madan Mohan Aggarwal, Gianluca Aglieri Rinella, Michelangelo Agnello, Neelima Agrawal, Zubayer Ahammed, Nazeer Ahmad, Sang Un Ahn (+1106 others)
2018 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
A pion rejection factor of up to 410 is achieved at a momentum of 1 GeV/ c in p–Pb collisions and the resolution at high transverse momentum improves by about 40% when including the TRD information in  ...  The triggering capability is demonstrated both for jet, light nuclei, and electron selection.  ...  In Run 1, the wake-up signal required for the front-end electronics was generated by a dedicated pretrigger system.  ... 
doi:10.15120/gsi-2018-00105 fatcat:jx6yxyyjkjb5hgv7aotkcebx2a

Precision Agriculture: A Remote Sensing Monitoring System Architecture †

Anna Triantafyllou, Panagiotis Sarigiannidis, Stamatia Bibi
2019 Information  
Furthermore, the proposed Reference Architecture model is exemplified in a real-world application for surveying Saffron agriculture in Kozani, Greece.  ...  To guide the process of designing and implementing Smart farming monitoring systems, in this paper we propose a generic reference architecture model, taking also into consideration a very important non-functional  ...  The IoT requires access control models that apply authorization policies across a multitude of smart sensors.  ... 
doi:10.3390/info10110348 fatcat:j6pvjr6nsja7pjp25tp3e6mjzy

The BaBar detector: Upgrades, operation and performance

B. Aubert, R. Barate, D. Boutigny, F. Couderc, P. del Amo Sanchez, J.-M. Gaillard, A. Hicheur, Y. Karyotakis, J.P. Lees, V. Poireau, X. Prudent, P. Robbe (+1072 others)
2013 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
The Online Farm Upgrades.  ...  The model estimated the computation time in each Online Dataflow.  ... 
doi:10.1016/j.nima.2013.05.107 fatcat:4x6tetnxgrfnfjhrnty3ebi65i
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