Robust decentralised load-frequency control using an iterative linear matrix inequalities algorithm
Bevrani, Hassan, Mitani, Yasunori, & Tsuji, Kiichiro (2004) Robust decentralised load-frequency control using an iterative linear matrix inequalities algorithm. IEE Proceedings - Generation, Transmission and Distribution, 151(3), pp. 347-354.
The Load-Frequency Control (LFC) 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, load-frequency control (LFC) 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 with regard to this problem, the decentralised LFC synthesis is formulated as an H/spl infin/-control problem and is solved using an iterative linear matrix inequalities algorithm to design of robust PI controllers in the multi-area power systems. A three area power system example with a wide range of load changes is given to illustrate the proposed approach. The resulting controllers are shown to minimize the effect of disturbances and maintain the robust performance.
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|Item Type:||Journal Article|
|Keywords:||load, frequency control, linear matrix inequalities, proportional, integral (PI) control, Robust performance|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2004 IEEE|
|Copyright Statement:||Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Deposited On:||29 Apr 2008|
|Last Modified:||09 Jun 2010 22:58|
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