Fault-tolerant load frequency control for DFIG-based interconnected wind power systems

被引:13
|
作者
Kuppusamy, Subramanian [1 ]
Joo, Young Hoon [1 ]
Kim, Han Sol [2 ]
机构
[1] Kunsan Natl Univ, Sch IT Informat & Control Engn, 588 Daehak Ro, Gunsan Si 54150, Jeonbuk, South Korea
[2] Korea Maritime & Ocean Univ, Dept Control & Automat Engn, Busan, South Korea
基金
新加坡国家研究基金会;
关键词
Fault-tolerant control; Interconnected power systems; Load frequency control; Linear matrix inequality; INTEGRAL SLIDING MODE; DESIGN; STABILITY;
D O I
10.1016/j.ins.2021.09.003
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the fault-tolerant load frequency control (LFC) design of interconnected wind power systems. For this, a doubly-fed induction generator (DFIG)-based wind farm is integrated into the interconnected power systems. Distinct from the existing works, the communication time-delay is taken into the area control error (ACE) signals of interconnected wind power systems. Also, compared with the traditional LFC scheme, a fault tolerant H-infinity LFC scheme is presented with known and unknown actuator fault against load disturbances and wind speed fluctuations. Then, the asymptotic stability conditions are derived in the linear matrix inequalities (LMIs) form by utilizing the Lyapunov-Krasovskii functional (LKF) method and Wirtinger-based inequality technique under the designed LFC scheme with H-infinity performance. Finally, numerical examples are given to validate the applicability and superiority of the designed LFC scheme. (C) 2021 Elsevier Inc. All rights reserved.
引用
收藏
页码:73 / 88
页数:16
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