Design of Wide-Area Damping Controllers Based on Networked Predictive Control Considering Communication Delays

被引:0
|
作者
Yao, W.
Jiang, L. [1 ]
Wu, Q. H. [1 ]
Wen, J. Y. [2 ]
Cheng, S. J. [2 ]
机构
[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England
[2] Huazhong Univ Sci & Technol, Coll Elect Engn, Elect Power Secur & High Efficiency Lab, Wuhan 430074, Peoples R China
基金
中国国家自然科学基金;
关键词
Wide-area damping controller; networked predictive control; generalized predictive control; model identification; communication delays; POWER-SYSTEM; IMPLEMENTATION; OSCILLATIONS;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper presents a wide-area damping controller (WADC) based on networked predictive control (NPC), of which the main purpose is to eliminate the impact of the communication delays of the wide-area signals from the wide-area measurement system (WAMS). The proposed WADC incorporates a generalized predictive control (GPC) to generate the optimized future control sequences and a network delay compensator (NDC) to compensate the communication delays actively. A recursive least-squares algorithm (RLSA) with a variable forgetting factor is used to identify the predictive model in order to overcome the effect of the model inaccuracy of the large-scale power system. Simulation studies undertaken on a two-area four-machine power system show that the proposed WADC can damp the inter-area mode oscillations effectively and compensate the communication delays existing in the wide-area signals in an active way. Moreover, the results obtained in the comparison with the WADC based on GPC are also provided.
引用
收藏
页数:8
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