UBC Theses and Dissertations

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UBC Theses and Dissertations

Fast control of power system transient stability Sawada, Jack Hisao


This thesis provides some guidelines of fast control application for transient power system stability, including the braking resistor, the forced excitation, the fast-valving, and combinations of them. Multiple applications of single and combined fast controls of various resistor capacities, various ceiling voltages, full or partial valve closures are also examined. Chapter 2 gives the power system model for the thesis investigation. Computer simulation results of individual braking resistor, forced excitation, and fast-valving fast controls are presented in Chapter 3,and also in Chapter 4, but of combined fast controls. Included in Chapter 5 are the experimental results in comparison with computer simulation results, and also instrumentations of transducers and circuits for implementing the fast controls. Finally, the main conclusions of the thesis study and suggestions for future investigation are summarized in Chapter 6.

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