Design of Minimal-order Stabilisers for Multi-Machine Unstable Power Systems

M. Aldeen and H. Trinh (Australia)


Multi-machine power systems, minimal-order stablilisers,linear functional observers, stability.


A reduced dynamics stabiliser for multi-machine power systems is presented in this paper. The design of the stabiliser is based on the theory of linear functional observers and the solution of a simple parameter optimisation problem. The order of the stabiliser could be as low as the number of machines in the system. The design is applied to an open-loop unstable multi-machine power system.

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