Pitch angle control of a wind turbine operating above the rated wind speed: A sliding mode control approach

被引:78
作者
Colombo, L. [1 ]
Corradini, M. L. [2 ]
Ippoliti, G. [1 ]
Orlando, G. [1 ]
机构
[1] Univ Politecn Marche, Dipartimento Ingn Informaz, Via Brecce Blanche, I-60131 Ancona, Italy
[2] Univ Camerino, Scuola Sci Tecnol, Via Madonna Carceri, I-62032 Camerino, MC, Italy
关键词
Wind turbines; Pitch control; Sliding mode control; ROBUST-CONTROL; OUTPUT POWER; GENERATORS;
D O I
10.1016/j.isatra.2019.07.002
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The paper focuses on variable-rotor-speed/variable-blade-pitch wind turbines operating in the region of high wind speeds, where control is aimed at limiting the turbine energy capture to the rated power value. A robust sliding mode approach is proposed, using the blade pitch as control input, in order to regulate the rotor speed to a fixed rated value, in the presence of uncertainties characterizing the wind turbine model. Closed loop convergence of the overall control system is proved. The proposed control solution has been validated on a 5 MW three-blade wind turbine using the National Renewable Energy Laboratory (NREL) wind turbine simulator FAST (Fatigue, Aerodynamics, Structures, and Turbulence) code. A comparison with the standard FAST baseline controller (Nwrc 2012 and Jonkman et al. 2009) has been also included. (C) 2019 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:95 / 102
页数:8
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