Results 1 to 10 of about 1,315,750 (337)

Optimization of constant power control of wind turbines to provide power reserves [PDF]

open access: yes, 2013
In several countries, the wind power penetration increased tremendously in the last years. As the current wind turbines do not participate in frequency control nor reserve provision, this may compromise the proper functioning of the primary control and ...
De Kooning, Jeroen   +4 more
core   +1 more source

Wind Farm Wakes from SAR and Doppler Radar

open access: yesRemote Sensing, 2020
We retrieve atmospheric wake characteristics at the wind farm Westermost Rough from Sentinel-1 Synthetic Aperture Radar (SAR) images. For the first time, co-located reference measurements of the full flow field around the wind farm are available from ...
Tobias Ahsbahs   +3 more
doaj   +1 more source

Optimization Analysis of Permanent-Magnet Direct-Drive Wind Turbine Elbow Shape Nacelle

open access: yes南方能源建设, 2023
[Introduction] In view of the irregular geometric shape, complex load and heavy weight of the nacelle of a permanent magnet direct drive wind turbine, it is necessary to optimize the analysis and design.
Fangshu CHEN, Xuebing YANG, Feng SHI
doaj   +1 more source

Primary Frequency Regulation Requirement of South Africa Grid Code and its DIgSILENT Simulation [PDF]

open access: yesE3S Web of Conferences, 2020
Wind power is a kind of renewable energy with unexpected and unfriendly characteristics, so different countries have their own grid code to restrain wind power generation to an acceptable performance.
Chu Jingchun   +3 more
doaj   +1 more source

Combined hydro-wind generation bids in a pool-based electricity market [PDF]

open access: yes, 2009
Present regulatory trends are promoting the irect participation of wind energy in electricity markets. The final result of these markets sets the production scheduling for the operation time, including a power commitment from the wind generators. However,
Angarita Márquez, Jorge Luis   +2 more
core   +4 more sources

Power quality issues of 3MW direct-driven PMSG wind turbine [PDF]

open access: yes, 2015
This paper presents power quality issues of a grid connected wind generation system with a MW-class direct-driven permanent magnet synchronous generator (PMSG).
Ahmed, IA, Taylor, GA, Zobaa, AF
core   +1 more source

Study on Lubrication-Photothermal Synergistic Deicing of CNT Coating on Wind Turbine Blades

open access: yesInternational Journal of Photoenergy, 2022
Aiming at the problem of wind turbine blades' icing, a carbon nanotube composite photothermal coating with both active deicing and passive anti-icing properties was prepared by the spin-coating method.
Jianjun He   +7 more
doaj   +1 more source

Greenhouse Gas Emissions Savings from Wind Power [PDF]

open access: yes, 2013
Currently in Great Britain, estimates of the greenhouse gas (GHG) emissions savings that arise from wind power replacing other types of generation are approximated as the average emissions of electricity generation; however, this value is known to be ...
Chick, J. P.   +2 more
core   +2 more sources

Power Quality Enhancement in Electricity Grids with Wind Energy Using Multicell Converters and Energy Storage [PDF]

open access: yes, 2019
In recent years, the wind power industry is experiencing a rapid growth and more wind farms with larger size wind turbines are being connected to the power system.
Allali, Ahmed   +5 more
core   +2 more sources

Sensor Screening Methodology for Virtually Sensing Transmission Input Loads of a Wind Turbine Using Machine Learning Techniques and Drivetrain Simulations

open access: yesSensors, 2022
The ongoing trend of building larger wind turbines (WT) to reach greater economies of scale is contributing to the reduction in cost of wind energy, as well as the increase in WT drivetrain input loads into uncharted territories.
Baher Azzam, Ralf Schelenz, Georg Jacobs
doaj   +1 more source

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