Power System Stability Improvement Using QFT-Based Excitation Robust Control

Subject Areas : مهندسی برق و کامپیوتر

A. Akbari Forod ¹ , H. Seifi ² , A. khaki sedigh ³

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2 - Tarbiat Modares University
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Received: 2007-02-13 Accepted : 2008-06-10 Published : 2009-03-21

Keywords: Power system stabilitynonlinear quantitative feedback theoryexcitation systemgenerator robust control,

Abstract :

Due to uncertainties in system modeling as well as system parameters, current excitation systems are unable to perform quite satisfactorily over a wide range of operating conditions. In this paper a QFT-based excitation robust control is proposed which the above mentioned uncertainties are, somehow, considered. The Horowitz second method is employed in the design of the nonlinear QFT controller.

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Power System Stability Improvement Using QFT-Based Excitation Robust Control