Fatigue and extreme load reduction on two‐bladed wind turbines using the flexible hub connection

Wind Energy ◽  
2019 ◽  
Vol 23 (1) ◽  
pp. 1-16 ◽  
Author(s):  
Birger Luhmann ◽  
Po Wen Cheng
Keyword(s):  
Wind Turbines ◽  
Load Reduction ◽  
Extreme Load

Control of MW-Scale Wind Turbines for Fatigue Load Reduction and Performance Improvement

2018 ◽  
Vol 6 (3) ◽  
pp. 227-238
Author(s):  
Xin Jin ◽  
Shuangyi Xie ◽  
Hua Liu ◽  
Dazhou Zheng ◽  
Dong Zeng ◽  
...  
Keyword(s):  
Performance Improvement ◽  
Wind Turbines ◽  
Load Reduction ◽  
Fatigue Load ◽  
And Performance

scholarly journals Design of Robust Controllers for Load Reduction in Wind Turbines

2014 ◽  
pp. 97-133 ◽  
Author(s):  
Asier Díaz de Corcuera ◽  
Aron Pujana-Arrese ◽  
Jose M. Ezquerra ◽  
Aitor Milo ◽  
Joseba Landaluze
Keyword(s):  
Wind Turbines ◽  
Load Reduction ◽  
Robust Controllers

scholarly journals Lidar-assisted Extreme Load Reduction by Multi-variable Protective Derating

2018 ◽  
Vol 1037 ◽  
pp. 032025
Author(s):  
Florian Haizmann ◽  
David Schlipf ◽  
Po Wen Cheng
Keyword(s):  
Load Reduction ◽  
Extreme Load

Long-Term Extreme Load Prediction of Spar and Semisubmersible Floating Wind Turbines Using the Environmental Contour Method

2016 ◽  
Vol 138 (2) ◽  
Author(s):  
D. Karmakar ◽  
Hasan Bagbanci ◽  
C. Guedes Soares
Keyword(s):  
Wind Turbine ◽  
Wind Turbines ◽  
Contour Method ◽  
Return Periods ◽  
Extreme Loads ◽  
Floating Wind Turbine ◽  
Extreme Load ◽  
Design Loads ◽  
Offshore Floating Wind Turbine

The prediction of extreme loads for the offshore floating wind turbine is analyzed based on the inverse reliability technique. The inverse reliability approach is in general used to establish the design levels associated with the specified probability of failure. The present study is performed using the environmental contour (EC) method to estimate the long-term joint probability distribution of extreme loads for different types of offshore floating wind turbines. The analysis is carried out in order to predict the out-of-plane bending moment (OoPBM) loads at the blade root and tower base moment (TBM) loads for a 5 MW offshore floating wind turbine of different floater configuration. The spar-type and semisubmersible type offshore floating wind turbines are considered for the analysis. The FAST code is used to simulate the wind conditions for various return periods and the design loads of various floating wind turbine configurations. The extreme and operation situation of the spar-type and semisubmersible type offshore floating wind turbine are analyzed using one-dimensional (1D) and two-dimensional (2D)-EC methods for different return periods. The study is useful to predict long-term design loads for offshore wind turbines without requiring excessive computational effort.

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