H∞ load frequency control of interconnected power systems with communication delays

被引:112
作者
Dey, Rajeeb [1 ]
Ghosh, Sandip [2 ]
Ray, G. [3 ]
Rakshit, A. [1 ]
机构
[1] Jadavpur Univ, Dept Elect Engn, Kolkata, W Bengal, India
[2] Natl Inst Technol, Dept Elect Engn, Rourkela, Orissa, India
[3] Indian Inst Technol, Dept Elect Engn, Kharagpur 721302, W Bengal, India
关键词
Load frequency control (LFC); Time-delay system; H-infinity controller; Two-term controller; Delay-independent; Linear matrix inequality (LMI); DESIGN;
D O I
10.1016/j.ijepes.2012.03.035
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 considers the problem of power system load frequency control design incorporating the effect of using open communication network instead of a dedicated one for the area control error signals. To have this, we appropriately consider time-delays in the ACE signals. A delay-dependent two-term H-infinity controller design has then been proposed using linear matrix inequalities. Comparison of effectiveness of the proposed two-term controller with that of existing one-term and two-term controller designs establishes the superiority as well as applicability of the present design for the LFC problem. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:672 / 684
页数:13
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