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H2 LMI-based robust control for damping oscillations in power systems

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conference contribution
posted on 12.03.2009, 13:02 by Argyrios C. Zolotas, Petr Korba, B. Chaudhuri, I.M. Jaimoukha
This paper presents a study on a robust H2 LMI-based damping control scheme, for improving the inter-area mode oscillations of power systems. A reduced order centralised controller is designed for a 16-machine, 5-area power system (138th order) model reinforced with a thyristor controlled series capacitor (TCSC) to improve the damping of the critical inter-area modes by employing appropriate signal measurements. The effectiveness of the linear matrix inequalities (LMl) formulation, using pole location constraints, of the problem is illustrated. Robustness to faults and unknown disturbances is guaranteed via the design procedure. The performance of the designed system is assessed itt the frequency domain and via appropriate time-domain simulations based upon the non-linear model under various scenario.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

ZOLOTAS, A.C. ... et al, 2007. H2 LMI-based robust control for damping oscillations in power systems. IN: Proceedings, IEEE International Conference System of Systems Engineering, San Antonio, 16-18 April 2007, pp. 1 - 8

Publisher

© IEEE

Version

VoR (Version of Record)

Publication date

2007

Notes

This is a conference paper [© IEEE]. It is also available from: http://ieeexplore.ieee.org/servlet/opac?punumber=4304210. 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.

ISBN

1424411602

Language

en