Results 11 to 20 of about 877 (136)
Safe Management of Pressure Equipment Contained in Wind Turbines
Chemical Engineering Transactions, 2023 Renewable energies are the backbone of the energy transition. Among these energies, in recent years wind energy (together with solar) has largely established itself thanks to technological innovation and the production of increasingly performing wind ...
Vincenzo Nastasi +3 more
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Energies, 2022 Based on the energy storage type of hydraulic wind turbines (HWTs) and in view of the unit frequency drop problem under high wind power proportion conditions, this paper proposes a method of primary frequency control under maximum power point tracking ...
Lijuan Chen +6 more
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Aerodynamic Analysis of Coning Effects on the DTU 10 MW Wind Turbine Rotor
Energies, 2020 The size of wind turbine rotors is still rapidly increasing, though many technical challenges emerge. Novel rotor designs emerge to satisfy this up-scale trend, such as downwind load-aligned concepts, which orients the loads along the blade spanwise to ...
Zhenye Sun +5 more
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Super-rated operational concept for increased wind turbine power with energy storage
Energy Conversion and Management: X, 2022 A new super-rated method of wind turbine control is proposed for operation between rated and cut-out wind speeds, in conjunction with integrated energy storage, that may allow dramatically increased power capture as well as improved energy ...
Juliet G. Simpson, Eric Loth
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Seismic fragility of offshore wind turbine considering scour depth
Shuili Shuiyun Gongcheng Xuebao, 2022 The geological conditions in the eastern coastal areas of China are complex, and the saturated soft clay around the offshore wind turbine foundation may be affected by the local erosion and dynamic water pressure conditions around the pile under the ...
LI Fen, WANG Yizhi, HONG Zibo, HU Dan
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A New Method of Determination of the Angle of Attack on Rotating Wind Turbine Blades
Energies, 2019 The angle of attack (AoA) is the key parameter when extracting the aerodynamic polar from the rotating blade sections of a wind turbine. However, the determination of AoA is not straightforward using computational fluid dynamics (CFD) or measurement ...
Wei Zhong +3 more
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Reliability of electrical and hydraulic pitch systems in wind turbines based on field-data analysis
Energy Reports, 2023 The pitch system is notably one of the critical subsystems of a wind turbine, supporting its effective control towards maximising wind capture and at the same time protecting its integrity in cases of excessive loads.
Julia Walgern +3 more
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Discussion of Wind Turbine Performance Based on SCADA Data and Multiple Test Case Analysis
Energies, 2022 This work is devoted to the formulation of innovative SCADA-based methods for wind turbine performance analysis and interpretation. The work is organized as an academia–industry collaboration: three test cases are analyzed, two with hydraulic pitch ...
Davide Astolfi +3 more
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Development of a CFD-Based Wind Turbine Rotor Optimization Tool in Considering Wake Effects
Applied Sciences, 2018 In the present study, a computational fluid dynamic (CFD)-based blade optimization algorithm is introduced for designing single or multiple wind turbine rotors.
Jiufa Cao +4 more
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Energies, 2016 Pitch Control plays a significant role for a large wind turbine. This study investigates a novel robust hydraulic pitch control system of a large wind turbine.
Ching-Sung Wang, Mao-Hsiung Chiang
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