NDLI: Trade-off between power extraction maximisation and fatigue reduction in wind farms via second-order sliding mode control and min

Content Provider	IET Digital Library
Author	Capello, Elisa Wada, Takayuki Punta, Elisabetta Fujisaki, Yasumasa
Abstract	In the last 10 years, with the increase of renewable energies, great attention is devoted to operation and maintenance of wind turbines and wind farms, which are the fundamental objectives to be guaranteed by the design of control systems. This study proposes a trade-off approach between fatigue reduction and power extraction for wind farm scenarios. The focus of this approach is to reduce maintenance costs for fatigue loads. This issue is solved by an optimisation problem, in which the maximum fatigue load among the turbines in the wind farm is minimised, then pitch angle and tip-speed ratio are given as reference points for each turbine in the wind farm. Furthermore, the super-twisting sliding mode algorithm is used for the rotor speed control and it shows that the turbines work at the optimised operating points. Moreover, the sliding mode controller produces continuous torques and improves the wind turbine performance by enhancing energy capture and reducing dynamic loads. The effectiveness of the method is illustrated through simulations of two wind farm scenarios. The results obtained with the proposed approach are compared with the case when each turbine in the wind farm tracks the maximum power operating point.
Starting Page	2535
Ending Page	2547
Page Count	13
ISSN	17518644
Volume Number	14
e-ISSN	17518652
Issue Number	Issue 17, Nov (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/14/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2019.1088
Journal	IET Control Theory & Applications
Publisher Date	2020-08-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Angular Velocity Control Control of Electric Power System Fatigue Fatigue Load Fatigue Reduction Maximum Fatigue Load Maximum Power Operating Point Multivariable Control System Optimisation Power Extraction Rotation Control Rotors Sliding Mode Controller Variable Structure System Velocity Wind Farm Scenario Wind Power Plant Wind Turbine Wind Turbine Performance
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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