Results 21 to 30 of about 88,049 (263)

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

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

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

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

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

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

Measurable Residual Disease Monitoring During Treatment for Pediatric Acute Myeloid Leukemia in First Relapse

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survival after relapse in pediatric acute myeloid leukemia (AML) remains poor, highlighting the critical importance of identifying prognostic factors to guide optimal relapse management. Methods We investigated the prognostic impact of multiparameter flow cytometry (MFC) measurable residual disease (MRD) in 188 patients with first ...
Camilla Poulsen   +21 more
wiley   +1 more source

THE ACTORS OF A WIND POWER CLUSTER: A CASE OF A WIND POWER CAPITAL

open access: yesJournal of Urban and Environmental Engineering, 2013
Raahe is a medium-sized Finnish town on the western coast of Northern Finland. It has declared itself to become the wind power capital of Finland. The aim of this paper is to find out what being a wind power capital can mean in practice and how it can advance the local industrial business.
openaire   +4 more sources

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