Decentralized Power System Damping Controller Design using H∞ Loop-shaping Technique

Modi, Nilesh, Saha, T, K. and Mithulananthan, N. (2010). Decentralized Power System Damping Controller Design using H∞ Loop-shaping Technique. In: IPEC 2010 Conference Proceedings. International Power and Energy Conference (IPEC2010), Singapore, Singapore, (481-486). 27-29 October 2010. doi:10.1109/IPECON.2010.5697044

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Author Modi, Nilesh
Saha, T, K.
Mithulananthan, N.
Title of paper Decentralized Power System Damping Controller Design using H∞ Loop-shaping Technique
Conference name International Power and Energy Conference (IPEC2010)
Conference location Singapore, Singapore
Conference dates 27-29 October 2010
Proceedings title IPEC 2010 Conference Proceedings
Journal name 2010 9th International Power and Energy Conference, IPEC 2010
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2010
Sub-type Fully published paper
DOI 10.1109/IPECON.2010.5697044
ISBN 9781424473977
ISSN 1947-1262
Start page 481
End page 486
Total pages 6
Collection year 2011
Language eng
Abstract/Summary Power system low frequency oscillations influence dynamic behaviour of a complex power system and threaten its security. The dynamic performance of power system can be improved by damping low frequency oscillation with the help of supplementary controllers. This paper presents the design of supplementary controller for Static Var Compensator (SVC) to damp low frequency, in particular inter-area oscillations. The controller is designed based on H∞ loop-shaping technique in which the robust stabilization of the normalised coprime factor plant is formulated into a generalized H∞ problem. Moreover, the selection of proper feedback signal from the available measurements of the system plays vital role in designing the controller. The residue analysis is used to select the suitable locally available signal as an input signal to the proposed controller. Two power systems with varying sizes and complexities are used to test with the design of the proposed controller. The power systems include the benchmark, two-area system for low frequency oscillation studies and a modified version of a practical system. Both eigenvalue analysis and time domain simulations are used to study the performance of the proposed H∞ controller.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Wed, 01 Dec 2010, 11:31:58 EST by Nilesh Satishkumar Modi on behalf of School of Information Technol and Elec Engineering