Author： Li Guojie Lie T. T. Shrestha G. B. Lo K. L.
Publisher： Taylor & Francis Ltd
ISSN： 1521-0502
Source： Electric Machines and Power Systems, Vol.27, Iss.10, 1999-10, pp. : 1097-1112
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Abstract
A linear optimal controller is designed to implement Variable Series Compensation (VSC) in transmission network of interconnected power systems. The proposed controller is used to dampen inter-area oscillations and enhance power system stability. The effectiveness of the linear optimal controller to properly control such a variable series reactance is demonstrated through mode shapes and digital simulation studies on a two-machine system. The digital simulation studies are conducted using a PSCAD/EMTDC software package. The mode shapes and simulation results show that the controller contributes significantly to the damping of inter-area oscillations and the power stability enhancement.
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