NDLI: Pitch angle control for variable speed wind turbines

Content Provider	IEEE Xplore Digital Library
Author	Jianzhong Zhang Ming Cheng Zhe Chen Xiaofan Fu
Copyright Year	2008
Description	Author affiliation: Sch. of Electr. Eng., Southeast Univ., Nanjing (Jianzhong Zhang; Ming Cheng; Zhe Chen)
Abstract	Pitch angle control is the most common means for adjusting the aerodynamic torque of the wind turbine when wind speed is above rated speed and various controlling variables may be chosen, such as wind speed, generator speed and generator power. As conventional pitch control usually use PI controller, the mathematical model of the system should be known well. A fuzzy logic pitch angle controller is developed in this paper, in which it does not need well known about the system and the mean wind speed is used to compensate the non-linear sensitivity. The fuzzy logic control strategy may have the potential when the system contains strong non-linearity, such as wind turbulence is strong, or the control objectives include fatigue loads. The design of the fuzzy logic controller and the comparisons with conversional pitch angle control strategies with various controlling variables are carried out. The simulation shows that the fuzzy logic controller can achieve better control performances than conventional pitch angle control strategies, namely lower fatigue loads, lower power peak and lower torque peak.
Starting Page	2691
Ending Page	2696
File Size	681298
Page Count	6
File Format	PDF
ISBN	9787900714138
DOI	10.1109/DRPT.2008.4523867
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	DRPT
Subject Keyword	Wind turbines Torque control Fuzzy logic Wind speed Control systems Power generation Wind energy generation Fatigue Aerodynamics Mathematical model Wind turbine Blade aerodynamic Fatigue load Fuzzy logic control Pitch angle
Content Type	Text
Resource Type	Article

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