Decentralised load frequency control for power systems with communication delays via active disturbance rejection

被引：32
|
作者：
Fu, Caifen [1 ]
Tan, Wen [1 ]
机构：
[1] North China Elect Power Univ, Sch Control & Comp Engn, Beijing, Peoples R China
来源：
IET GENERATION TRANSMISSION & DISTRIBUTION | 2018年 / 12卷 / 06期
关键词：
power system control; decentralised control; load regulation; frequency control; active disturbance rejection control; control system synthesis; delays; decentralised load frequency control; multiarea power systems; communication delays; active disturbance rejection control method; ADRC method; bandwidth method; modified ADRC structure; internal model control method; parameter tuning; TIME-DELAY; CONTROL STRATEGIES; STABILITY;
D O I：
10.1049/iet-gtd.2017.0852
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：
A decentralised load frequency control (LFC) for multi-area power systems with communication delays is studied. Active disturbance rejection control (ADRC) method is adopted to handle the communication delays. First the conventional ADRC is tuned via the bandwidth method and it is shown that the achievable performance for delayed systems is no better than proportional-integral-derivative (PID) controllers. Then a modified ADRC structure is discussed and it is shown that the achievable performance is limited by the controller bandwidth. In order to improve the performance, a method to tune the parameters of ADRC is proposed via the internal model control method. Simulation results show that the proposed method is easy to apply and can achieve good damping performance.
引用
收藏
页码：1397 / 1403
页数：7
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