NDLI: Coordinated design of fuzzy-based speed controller and auxiliary controllers in a variable speed wind turbine to enhance frequency control

Content Provider	IET Digital Library
Author	Zadeh, Alireza Ashouri Toulabi, Mohammadreza Ranjbar, Ali Mohammad
Abstract	This paper proposes novel controllers for doubly fed induction generator (DFIG)-based wind turbines. These controllers not only optimize the transient behaviour of DFIGs, but also realize their participation in the power system frequency control task. The proposed controllers include one main speed controller as well as two auxiliary controllers. The main speed controller is a fuzzy-based controller which their parameters are optimized using the genetic algorithm (GA) to achieve the optimal transient response. It applies the rotational speed signal and causes the DFIG to return to the maximum power point (MPP) quickly after any turbulent in the wind speed. Moreover, two smart auxiliary controllers, i.e., frequency deviation and wind speed oscillations controllers are suggested. The frequency deviation controller enables the DFIG frequency support and the wind speed oscillations controller alleviates the impacts of wind speed fluctuations on the wind turbine output power both with utilizing the wind turbine kinetic energy. To investigate the efficiency of main controller, two case studies are considered. Moreover, some time domain simulations are performed on IEEE 39-bus system to evaluate the influences of the auxiliary controllers on the load frequency control task. Results confirm the effectiveness and superiority of the proposed controllers.
Starting Page	1298
Ending Page	1308
Page Count	11
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 9, Oct (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2015.0405
Journal	IET Renewable Power Generation
Publisher Date	2016-05-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Angular Velocity Control Asynchronous Generator Asynchronous Machine Control of Electric Power System Control System Analysis Control System Synthesis Coordinated Design DFIG Doubly Fed Induction Generator Error Signal Utilisation Frequency Control Frequency Deviation Controller Fuzzy Controller Genetic Algorithm Kinetic Energy Load Regulation Machine Control Main Speed Controller MATLAB-Simulink Environment Maximum Power Point Optimal Transient Response Optimisation Technique Power Generation Control Power System Load Frequency Control Task Rotation Control Smart Auxiliary Controller Synthesis Method Transient Response Variable Speed Wind Turbine Velocity Wind Power Plant Wind Speed Fluctuations Wind Speed Oscillations Controller Wind Turbine
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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