Design and real-time implementation of robust FACTS controller for damping inter-area oscillation

• Published in: IEEE transactions on power systems Vol. 21; no. 2; pp. 809 - 816
• Main Authors: Majumder, R., Pal, B.C., Dufour, C., Korba, P.
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.05.2006; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Algorithm design and analysis; Control systems; Control theory; Damping; Design engineering; Flexible ac transmission systems (FACTS); inter-area oscillations; Linear matrix inequalities; Linux; LMIs; loop-shaping; Mathematical models; Modules; normalized coprime factors; Oscillations; Power system modeling; Prototypes; Real time; Real time systems; real-time implementation; Robust control; Robustness; Time domain analysis
• ISSN: 0885-8950; 1558-0679
• DOI: 10.1109/TPWRS.2006.873020

An application of a normalized H/sub /spl infin// loop-shaping technique for design and simplification of damping controllers in the liner matrix inequalities (LMI) framework is illustrated in this paper. The solution is sought numerically using LMIs with additional pole-placement constraints. This ensures that the time-domain specifications are met besides robust stabilization. The designed control algorithm is implemented using a rapid prototyping controller. The performance of the controller is validated in real time using a detailed model of the power system implemented using Linux PC-based, multi-processor technology. The coupling between the controller and the power system is through a set of DAC and ADC modules in the analogue domain.