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A New Controller Design for Power System Stability Enhancement
A. Khodabakhshian,R. Hooshmand,M. Esmaili 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
This paper uses the Quantitative Feedback Theory (QFT) to design a new robust Power System Stabilizer (PSS) able to provide acceptable damping over a wide range of operating points. In the design procedure the main purpose is to reject the load fluctuations and, therefore, a particular transfer function P(s)=(Δω/ΔTm) is used as the nominal plant. The parametric uncertainty in power systems has been easily handled by using QFT. Results clearly show the benefits of the proposed controller for stability enhancement of power systems.