Automatic generation control: A decentralized robust approach

Bevrani, Hassan, Hiyama, Takashi, Mitani, Yasunori, & Tsuji, Kiichiro (2007) Automatic generation control: A decentralized robust approach. Intelligent Automation and Soft Computing, 13(3), pp. 273-287.

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Automatic Generation Control (AGC) problem has been one of the major subjects in electric power system design/operation and is becoming much more significant today in accordance with increasing size, changing structure and complexity of interconnected power systems. In practice, AGC systems use simple proportional-integral (PI) controllers. However, since the PI controller parameters are usually tuned based on classical or trial-and-error approaches, they are incapable of obtaining good dynamical performance for a wide range of operating conditions and various load changes scenarios in a multi-area power system. In this paper, in order to design a robust PI controller for the AGC in a multi-area power system, first the problem is formulated as an Hinf static output feedback control problem, and then it is solved using a developed iterative linear matrix inequalities algorithm to get an optimal performance index. A three control area power system example with a wide range of load changes is given to illustrate the proposed approach and the results are compared with Hinf dynamic output feedback control design.

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5 citations in Web of Science®

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ID Code: 13453
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
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Keywords: Power system, AGC, static output feedback control, Hinf control, linear matrix inequalities, robust performance
ISSN: 1079-8587
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 TSI Press
Deposited On: 02 May 2008 00:00
Last Modified: 10 Aug 2011 14:41

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