A high robust control scheme of grid-side converter for DFIG system

被引：0
|
作者：
Shi, Shuqi [1 ,2 ,3 ]
Liu, Zongze [1 ,2 ]
Ren, Long [1 ,2 ]
Tang, Hongwei [1 ,2 ]
Song, Dongran [3 ]
机构：
[1] Shaoyang Univ, Hunan Prov Key Lab Grids Operat & Control Multipow, Shaoyang 422000, Peoples R China
[2] Shaoyang Univ, Hunan Engn Technol Res Ctr Special Equipment Elect, Shaoyang, Peoples R China
[3] Cent South Univ, Sch Automat, Changsha, Peoples R China
来源：
IET CONTROL THEORY AND APPLICATIONS | 2024年 / 18卷 / 17期
关键词：
doubly-fed induction generator; grid-side converter; nonlinear control; second-order sliding mode control; SLIDING MODE CONTROL;
D O I：
10.1049/cth2.12755
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this study, a high robust control-second-order sliding-mode control (SOSMC) scheme is proposed to improve the DC-link voltage dynamic performance of the grid-side converter (GSC) for the doubly-fed induction generator (DFIG) system under the wind turbine power disturbance and DC-link capacitance parameter disturbance. In general, the wind speed is change with the environment and further has an effect on the power generation of the DFIG system. Besides, the capacitance of DC-link capacitor may change with the working condition. To address this issue, a SOSMC scheme is proposed to replace the conventional proportional integral (PI) control for the DC-link voltage controller of the GSC for the DFIG system in this study. By using the non-linear SOSMC controller, the DFIG system is robust to the disturbance of the wind speed and the parameter of DC-link capacitance. Compared with the conventional PI control scheme, the DFIG system with the proposed SOSMC scheme is much more robust, which has been verified in the MATLAB/Simulink platform.
引用
收藏
页码：2277 / 2286
页数：10
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