H∞ Loop Shaping-based Robust Control Design of PSS and TCSC for Dynamic Stability Enhancement

In this paper, the robust control design of power system stabilizer (PSS) and thyristor controlled series capacitor (TCSC) for enhancement of power system dynamic stability is proposed. To take system uncertainties such as variations of system parameters, several loading conditions etc., into accoun...

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Bibliographic Details
Published in2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Vol. 2; pp. 965 - 968
Main Authors Cuk Supriyadi, A.N., Ngamroo, I., Kaitwanidvilai, S., Kunakorn, A., Hashiguchi, T., Goda, T.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2008
Subjects
dynamic stability
H ∞ loop shaping control
Oscillators
Power capacitors
Power system stability
Power systems
PSS
robust control
Robustness
system uncertainties
TCSC
Thyristors
Uncertainty
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Summary:In this paper, the robust control design of power system stabilizer (PSS) and thyristor controlled series capacitor (TCSC) for enhancement of power system dynamic stability is proposed. To take system uncertainties such as variations of system parameters, several loading conditions etc., into account, the normalized coprime factorization is used to represent unstructured uncertainties in the system. The H infin loop shaping technique is applied to design robust PSS and TCSC controllers. Simulation results in a single machine infinite bus system show that the performance and robustness of the proposed H infin controllers of PSS and TCSC are superior to those of the conventional PSS and TCSC.
ISBN:1424421012
9781424421015
DOI:10.1109/ECTICON.2008.4600592