UBC Theses and Dissertations

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UBC Theses and Dissertations

Modelling and parameter estimation of unknown large power system dynamics El-Sharkawi, Mohamed Ali Ahmed Ali


The current practice in modelling unknown large power systems is reviewed in Chapter 1, and the inadequate representation by constant voltage and constant frequency is discussed. To determine the unknown large power system dynamics, estimation must be used. A complete model for estimation, including known and unknown power systems, is derived in Chapter 2 and the mathematical formulation in Chapter 3. Chapter 4 presents the estimation algorithm, data and results. It is found that the estimated unknown system parameter values are unique, independent of various operating conditions. Conclusions are drawn in Chapter 5.

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