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In this paper a theoretical framework for the incorporation of the effect of excitation limits on normal form analysis is presented. The limiter action is approximated by a smooth nonlinear type atan function which is incorporated in the power system dynamic model using singular perturbation theory. This generalized limiter model is employed to characterize the limits of a simple DC excitation system...
This paper presents a new method for determining the site for power system stabilizer (PSS) installation. This method tracks the eigenvalues as they go from the interconnected power system to a decoupled system of single machine infinite buses (SMIB). The site for PSS installation is determined by observing to which machine the unstable eigenvalues from the interconnected system track to the decoupled...
In this paper, a nonlinear analysis method based on the proper orthogonal decomposition (POD) method and Galerkin projection is presented for the analysis and characterization of nonlinear inter-area oscillations. Using Galerkin projections onto bases of eigenfunctions obtained from the POD method, a new model is constructed that determines approximate solutions to the nonlinear power system behavior...
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