Perturbation Estimation Based Nonlinear Adaptive Power Decoupling Control for DFIG Wind Turbine

被引:38
|
作者
Shi, Kai [1 ,2 ]
Yin, Xin [1 ]
Jiang, Lin [1 ]
Liu, Yang [3 ]
Hu, Yihua [1 ]
Wen, Huiqing [4 ]
机构
[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England
[2] Univ Warwick, Warwick Mfg Grp, Coventry CV4 7AL, W Midlands, England
[3] South China Univ Technol, Sch Elect Power Engn, Guangzhou 510640, Peoples R China
[4] Xian Jiaotong Liverpool Univ, Dept Elect Engn & Elect, Suzhou 215123, Peoples R China
基金
英国工程与自然科学研究理事会;
关键词
Doubly fed induction generator based wind turbine (DFIG-WT); nonlinear adaptive control; perturbation estimation; power control; FED INDUCTION GENERATOR; VECTOR CONTROL; OBSERVER; SYSTEMS; TORQUE; MODEL;
D O I
10.1109/TPEL.2019.2911886
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes a perturbation estimation based nonlinear adaptive power decoupling controller for doubly fed induction generator based wind turbines (DFIG-WTs). Perturbation states are defined to include the nonlinearities, uncertainties of the system model, the cross-coupling between control loops, and external disturbances. Perturbation observers are designed to estimate the fast time-varying perturbation states. With perturbation estimation, the DFIG-WT system is fully decoupled, and an output feedback control can be designed for the control of rotor currents. Rotor current references are calculated based on the steady-state relation between active/reactive power and rotor current, and stator dynamic is ignored. The performance of the proposed controller is evaluated and verified via both simulation and experimental tests.
引用
收藏
页码:319 / 333
页数:15
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