Results 21 to 30 of about 1,403,424 (107)

Modelling the impact of trapped lee waves on offshore wind farm power output [PDF]

open access: yesWind Energy Science, 2023
Mesoscale meteorological phenomena, including atmospheric gravity waves (AGWs) and including trapped lee waves (TLWs), can result from flow over topography or coastal transition in the presence of stable atmospheric stratification, particularly with ...
S. J. Ollier, S. J. Watson
doaj   +1 more source

Comparing and validating intra-farm and farm-to-farm wakes across different mesoscale and high-resolution wake models [PDF]

open access: yesWind Energy Science, 2022
Numerical wind resource modelling across scales from the mesoscale to the turbine scale is of increasing interest due to the expansion of offshore wind energy.
J. Fischereit   +5 more
doaj   +1 more source

PMSM Wind Farm Aggregation Algorithm Based on Power Equivalence Principle

open access: yesFrontiers in Energy Research, 2021
With the continuing increase of offshore wind farm power scale, it is urgent to propose a simplified wind farm model, which aggregates the entire wind farm into single or several aggregated wind turbine generators (WTGs), aiming to save computing ...
Haoshu Shao   +5 more
doaj   +1 more source

Observations and simulations of a wind farm modifying a thunderstorm outflow boundary [PDF]

open access: yesWind Energy Science, 2021
On 18 June 2019, National Weather Service (NWS) radar reflectivity data indicated the presence of thunderstorm-generated outflow propagating east-southeastward near Lubbock, Texas.
J. M. Tomaszewski   +2 more
doaj   +1 more source

Simulated wind farm wake sensitivity to configuration choices in the Weather Research and Forecasting model version 3.8.1 [PDF]

open access: yesGeoscientific Model Development, 2020
Wakes from wind farms can extend over 50 km downwind in stably stratified conditions. These wakes can undermine power production at downwind turbines, adversely impacting revenue. As such, wind farm wake impacts must be considered in wind resource
J. M. Tomaszewski   +2 more
doaj   +1 more source

Model Based Open-Loop Wind Farm Control Using Active Power for Power Increase and Load Reduction

open access: yesApplied Sciences, 2017
A new wind farm control algorithm that adjusts the power output of the most upstream wind turbine in a wind farm for power increase and load reduction was developed in this study. The algorithm finds power commands to individual wind turbines to maximize
Hyungyu Kim, Kwansu Kim, Insu Paek
doaj   +1 more source

Optimal Irregular Wind Farm Design for Continuous Placement of Wind Turbines with a Two-Dimensional Jensen-Gaussian Wake Model

open access: yesApplied Sciences, 2018
Optimal design of wind turbine placement in a wind farm is one of the most effective tools to reduce wake power losses by alleviating the wake effect in the wind farm.
Longyan Wang, Yunkai Zhou, Jian Xu
doaj   +1 more source

Study on Overvoltage of Wind Farm Under AC Fault at Sending End of HVDC Transmission System

open access: yesZhongguo dianli, 2023
When the short circuit ratio of receiving end AC system is small, the fault disturbance of sending end AC system may cause commutation failure of the inverter and overvoltage at the LCC-HVDC sending end AC bus.
Wei LIANG   +5 more
doaj   +1 more source

An Aero-acoustic Noise Distribution Prediction Methodology for Offshore Wind Farms

open access: yesEnergies, 2018
Recently attention has been paid to wind farm noise due to its negative health impact, not only on human beings, but also to marine and terrestrial organisms. The current work proposes a numerical methodology to generate a numerical noise map for a given
Jiufa Cao   +4 more
doaj   +1 more source

Data-driven Equivalent Modeling and Active Wake Control of a Wind Farm [PDF]

open access: yesZhengzhou Daxue xuebao. Gongxue ban
In order to reduce the influence of wake disturbance on the total output power of wind farm, Informer neural network algorithm was proposed in the proposed wind farm yaw optimization control framework, and an intelligent equivalent model of power ...
ZHANG Jianhua   +3 more
doaj   +1 more source

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