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Applying structured singular values and a new LQR design to robust decentralized power system load frequency control

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2 Author(s)
Yang, T.-C. ; Sch. of Eng., Sussex Univ., Brighton, UK ; Cimen, H.

The design of decentralized robust load frequency control for interconnected power systems is studied in this paper. It is shown that, subject to a condition based on structured singular values (SSVs), each local area load-frequency controller can be designed independently. The robust stability condition for the overall system can be easily stated to achieve a sufficient interaction margin (introduced in this paper), and a sufficient gain and phase margin defined in classical feedback theory during each independent design. Within this general framework, each local area controller design is based on a new linear quadratic regulator design approach

Published in:

Industrial Technology, 1996. (ICIT '96), Proceedings of The IEEE International Conference on

Date of Conference:

2-6 Dec 1996