Results 31 to 40 of about 1,315,750 (337)

Wind turbine condition assessment through power curve copula modeling [PDF]

open access: yes, 2012
Power curves constructed from wind speed and active power output measurements provide an established method of analyzing wind turbine performance. In this paper it is proposed that operational data from wind turbines are used to estimate bivariate ...
Galloway, Stuart   +2 more
core   +1 more source

Impact of Multi-Physics HiL Test Benches on Wind Turbine Certification

open access: yesEnergies, 2022
Recently developed nacelle test benches for wind turbines, equipped with multi-physics Hardware-in-the-Loop (HiL) systems, enable advanced testing and even certification of next-generation wind turbines according to IEC61400-21.
Lennard Kaven   +7 more
doaj   +1 more source

Short-term wind prediction using an ensemble of particle swarm optimised FIR filters [PDF]

open access: yes, 2013
Due to the large and increasing penetration of wind power around the world, accurate power production forecasts are required to manage power systems and wind power plants.
Dowell, Jethro, Weiss, Stephan
core   +1 more source

Discussions on the Main Electrical Wiring Scheme for a 400 MW Offshore Substation Station

open access: yes南方能源建设, 2019
[Introduction] Offshore wind farms are characterized by long distance from shore, high costs of repair due to vessels involved and weather, long maintenance cycles and the fact that daily operations and maintenance is highly dependent on weather and sea ...
HE Qingdong, ZHU Ruijun, MEI Chun
doaj   +1 more source

Experimental Research on Scour Protection Range and Protection Effect of Large Diameter Monopile Foundation

open access: yes南方能源建设, 2023
[Introduction] Under the wave-current combinations during the service period of offshore wind turbine, local scour inevitably occurs around pile foundation, which threatens the overall stability and safety of offshore wind turbine. [Method] In this paper,
Dezong ZHOU   +4 more
doaj   +1 more source

The influence of solar wind variability on magnetospheric ULF wave power [PDF]

open access: yes, 2015
Magnetospheric ultra-low frequency (ULF) oscillations in the Pc 4–5 frequency range play an important role in the dynamics of Earth's radiation belts, both by enhancing the radial diffusion through incoherent interactions and through the coherent drift ...
Mann, IR   +3 more
core   +2 more sources

Vertical wind profile characterization and identification of patterns based on a shape clustering algorithm [PDF]

open access: yes, 2019
Wind power plants are becoming a generally accepted resource in the generation mix of many utilities. At the same time, the size and the power rating of individual wind turbines have increased considerably.
Bueso Sánchez, María del Carmen   +4 more
core   +2 more sources

A frequency control strategy of distributed photovoltaic cluster based on EMPC

open access: yesZhejiang dianli, 2023
To enhance the integration of solar power generation into the grid and harness the frequency regulation capabilities of distributed solar photovoltaics, a distributed photovoltaic cluster frequency control strategy based on EMPC (extended model ...
WEI Wanjun, LIU Yi, PEI Kai, FANG Dezhi
doaj   +1 more source

Frequency and duration of low-wind-power events in Germany

open access: yes, 2020
In the transition to a renewable energy system, the occurrence of low-wind-power events receives increasing attention. We analyze the frequency and duration of such events for onshore wind power in Germany, based on 40 years of reanalysis data and open ...
Ohlendorf, Nils, Schill, Wolf-Peter
core   +1 more source

Modeling and control of a variable speed variable pitch angle prototype wind turbine [PDF]

open access: yes, 2013
This paper focuses on modeling, control and simulation of a 500 KW horizontal axis prototype wind turbine that is being developed in the context of the MILRES (National Wind Energy Systems) Project in Turkey. The prototype turbine is designed as variable
Aksit, Mahmut Faruk   +4 more
core   +2 more sources

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