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This paper describes the theory and procedure for the design of a power stabiliser to improve the dynamic stability of the power system. The algorithm to obtain a reduced-order state-space model of the power system is developed. Using this reduced-order model, a pole-placement technique has been used to design the power stabiliser, which can be very easily practically implemented. The algorithm has been successfully applied to improve the dynamic stability of a simulated 360-busbar power system. It is shown that considerable improvement in system damping can be obtained over the uncompensated system.
Electrical Engineers, Proceedings of the Institution of (Volume:122 , Issue: 9 )
Date of Publication: September 1975