Power system dynamic stability and voltage regulation enhancement using an optimal gain vector

Bevrani, Hassan, Hiyama, Takashi, & Mitani, Yasunori (2008) Power system dynamic stability and voltage regulation enhancement using an optimal gain vector. Control Engineering Practice, 16(9), pp. 1109-1119.

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Abstract

This paper addresses a control methodology to enhance power system dynamic stability and voltage regulation by augmenting existing generator controls (conventional PSS and AVR) using an optimal static gain vector. The control design problem is reduced to finding a new control loop including a simple fixed gain vector. In order to optimal tune gain elements, the problem is formulated via an Hinf static output feedback (Hinf-SOF) control technique, and the solution is easily found using an iterative linear matrix inequalities (ILMI)algorithm. Real-time experiments have been performed for a longitudinal four-machine infinite-bus system on the Analog Power System Simulator at the Research Laboratory of the Kyushu Electric Power Co. The proposed robust technique is shown to maintain the robust performance and minimize the effects of disturbances.

Impact and interest:

12 citations in Scopus
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14 citations in Web of Science®

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ID Code: 14589
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.
Keywords: Power system stabilizer, Voltage regulation, Hinf control, Static output feedback, LMI
DOI: 10.1016/j.conengprac.2008.01.001
ISSN: 0967-0661
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2008 Elsevier
Deposited On: 28 Aug 2008 00:00
Last Modified: 10 Aug 2011 14:41

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