Design of fixed order robust power oscillation damper for TCSC

Mishra, Yateendra, Majumder, R., & Dong, Z. Y. (2008) Design of fixed order robust power oscillation damper for TCSC. In IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008, 20-24 July, Pittsburgh, PA.

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Abstract

This paper illustrates robust fixed order power oscillation damper design for mitigating power systems oscillations. From implementation and tuning point of view, such low and fixed structure is common practice for most practical applications, including power systems. However, conventional techniques of optimal and robust control theory cannot handle the constraint of fixed-order as it is, in general, impossible to ensure a target closed-loop transfer function by a controller of any given order. This paper deals with the problem of synthesizing or designing a feedback controller of dynamic order for a linear time-invariant plant for a fixed plant, as well as for an uncertain family of plants containing parameter uncertainty, so that stability, robust stability and robust performance are attained. The desired closed-loop specifications considered here are given in terms of a target performance vector representing a desired closed-loop design. The performance of the designed controller is validated through non-linear simulations for a range of contingencies.

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ID Code: 50459
Item Type: Conference Paper
Refereed: Yes
Keywords: closed loop systems, control system synthesis, feedback, linear systems, nonlinear control systems, optimal control, robust control, thyristor applications, TCSC, closed-loop specifications, closed-loop transfer function, feedback controller design, fixed order robust power oscillation damper, linear time-invariant plant, nonlinear simulations, parameter uncertainty, robust control theory, robust stability
DOI: 10.1109/PES.2008.4596566
ISBN: 1932-5517
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: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 12 Jun 2012 02:24
Last Modified: 25 Jun 2012 02:56

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