Results 51 to 60 of about 167 (120)

Effect of foundation modelling on the fatigue lifetime of a monopile-based offshore wind turbine [PDF]

Wind Energy Science, 2017
Several studies have emphasized the importance of modelling foundation response with representative damping and stiffness characteristics in integrated analyses of offshore wind turbines (OWTs).
S. Aasen, A. M. Page, A. M. Page, K. Skjolden Skau, K. Skjolden Skau, T. A. Nygaard   +5 more
doaj   +1 more source

A Novel DQN‐Based Hybrid Algorithm for Integrated Scheduling and Machine Maintenance in Dynamic Flexible Job Shops

IET Collaborative Intelligent Manufacturing, Volume 7, Issue 1, January/December 2025.
This research contributes to the advancement of intelligent manufacturing by presenting a robust and practical solution for the integrated management of production scheduling and maintenance planning. ABSTRACT This paper focuses on the dynamic flexible job shop scheduling problem with constrained maintenance resources (DFJSP‐CMR), a pressing challenge ...
Nanxing Chen, Yong Chen, Wenchao Yi, Zhi Pei   +3 more
wiley   +1 more source

Potential Failure Detection Study in a 7 MW Offshore Wind Turbine Using Data‐Driven Three‐Stage Model Based on Pitch Anglea

IET Renewable Power Generation, Volume 19, Issue 1, January/December 2025.
This paper introduces a data‐driven three‐stage methodology for detecting potential failures in OWT pitch system based on pitch angle analysis. Comparisons with six other hybrid models demonstrate an impressive high accuracy. ABSTRACT Offshore wind energy is gaining significant global attention, making it essential to accurately predict potential ...
Ying Tian, Hui Cao, Dapeng Yan, Jingcheng Wang, Jin Shu   +4 more
wiley   +1 more source

Centrifuge and Numerical Investigations on Responses of Monopile-Supported Offshore Wind Turbines with Riprap Scour Protection Under Earthquakes

Journal of Marine Science and Engineering
Riprap scour protection is commonly employed to protect against local scour around large-diameter monopile foundations for offshore wind turbines (OWTs), and considering its influence on the static and dynamic behavior of monopiles may also provide the ...
Hao Zhang, Xiaojing Jia, Fayun Liang, Zhouchi Yuan   +3 more
doaj   +1 more source

Offshore Wind Turbine Scale‐Down Model MTMD Shaker Test Research and Analysis

Advances in Civil Engineering, Volume 2025, Issue 1, 2025.
This study takes a 6.45 MW offshore wind turbine structure as an example and uses the similitude analysis method to establish a reduced‐scale model, which is compared with the reduced‐scale finite element model and the full‐scale model’s dynamic characteristics to verify the similarity relationship of the structure.
Li Chen, Huiyuan Tian, Wenbo Xie, Min Lin, Zhiji Le, Yijing Lu, Zhiqiang Zhang, Arnab Biswas   +7 more
wiley   +1 more source

A Two‐Stage Model for Outlier Detection and Power Prediction of Wind Turbine Using SCADA Dataset

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
As wind energy adoption grows, ensuring reliable power generation becomes critical. However, its inherent variability, caused by fluctuations in wind speed, direction, and environmental conditions, poses challenges for grid integration and operational planning.
Fatma Mazen Ali Mazen, Yomna Shaker, Rania Ahmed Abul Seoud, Geng Chen   +3 more
wiley   +1 more source

The Method of the Natural Frequency of the Offshore Wind Turbine System Considering Pile–Soil Interaction

Journal of Marine Science and Engineering
Accurately and efficiently evaluating the influence of pile–soil interaction on the overall natural frequency of wind turbines is one of the difficulties in current offshore wind power design.
Wei Li, Xiaojuan Li, Xufeng Zhao, Qian Yin, Mingxing Zhu, Le Yang   +5 more
doaj   +1 more source

Designing a New Control Method to Improve the LFC Performance of the Multi‐Area Power System Considering the Effect of Offshore Wind Farms on Frequency Control

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
The presence of offshore wind farms (OWFs) reduces the inertia of the power system and jeopardizes its frequency stability. Considering virtual inertia control (VIC) for these farms improves the frequency stability and inertia in the power system. In this paper, the robust H∞ controller based on deep reinforcement learning (DRL) is designed to improve ...
Farhad Amiri, Sajad Sadr, Akshay Kumar Saha   +2 more
wiley   +1 more source

The interannual variations of installed capacity for offshore wind turbines in China: estimations derived solely from remote sensing

Geo-spatial Information Science
Accurately and thoroughly determining the installed capacity of offshore wind turbines (OWTs) and offshore wind farms (OWFs) is crucial for evaluating offshore wind energy and guiding future development.
Qiannan Ding, Chunpeng Chen, Bo Tian, Wenxiang Ji, Bin Zhang, Xue Li, Qing Yuan   +6 more
doaj   +1 more source

Implementation of the Low-Voltage Ride-Through Curve after Considering Offshore Wind Farms Integrated into the Isolated Taiwan Power System

Energies, 2019
In response to the power impact effect resulting from merging large-scale offshore wind farms (OWFs) into the Taiwan Power (Taipower) Company (TPC) system in the future, this study aims to discuss the situation where the offshore wind power is merged ...
Shiue-Der Lu, Meng-Hui Wang, Chung-Ying Tai   +2 more
doaj   +1 more source