Optimal Torque Control for large-scale wind turbine systems based on sliding mode control

被引：0
|
作者：
Cao, Ankang [1 ]
Cen, Lihui [1 ]
Chen, Jia [1 ]
机构：
[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
2018 37TH CHINESE CONTROL CONFERENCE (CCC) | 2018年
基金：
中国国家自然科学基金;
关键词：
large-scale wind turbine; maximum power point tracking; optimal torque control; sliding mode control; POWER POINT TRACKING;
D O I：
暂无
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 deals with the maximum power point tracking (MPPT) problem in large-scale wind turbine systems. The inertia of the large-scale wind turbine is very big and the optimal torque control (OTC) only considers the steady-state operating point of the system, leading to a long tracking time. For the existing sliding mode control (SMC) based on OTC, the MPPT efficiency is improved at the cost of the fluctuation of generator torque. In this paper, a sliding mode controller with variable parameter is proposed for improving MPPT efficiency. Compared with the existing control strategies, the performance of the proposed method is validated by using a FAST (Fatigue, Aerodynamic, Structure, and Turbulence) model based on the 5MW wind turbine. Simulation results clearly show that a more rapid speed response could be obtained through the proposed method, while the power capture efficiency is increased and the fluctuation of generation torque is decreased.
引用
收藏
页码：3041 / 3046
页数：6
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