Linear matrix inequality versus Root-locus approach for damping inter-area oscillations in power systems

被引:11
作者
Pal, BC [1 ]
Coonick, AH [1 ]
Cory, BJ [1 ]
机构
[1] Indian Inst Technol, Dept Elect & Elect Engn, Kanpur 208016, Uttar Pradesh, India
关键词
linear matrix inequality; inter-area oscillation; power system damping controller;
D O I
10.1016/S0142-0615(00)00081-8
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 [电气工程]; 0809 [电子科学与技术];
摘要
This paper describes the merits of robust damping controllers designed using a Linear Matrix Inequality (LMI) approach as compared to conventional Root-locus technique. The design in both methods aims at improving the damping of inter-area modes employing two small superconducting magnetic energy storage (SMES) devices. The LMI based control ensures adequate damping for widely varying system operating conditions and is compared with that obtained by the root-locus technique. It is shown that the LMI based approach has advantages over root-locus based control for the same control effort. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:481 / 489
页数:9
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