Identification of Dynamic Model of Synchronous Generator High Frequency Excitation System
AbstractThe paper presents analysis of the dynamic model of the high frequency excitation system for researches of electromechanical transient processes and stability conditions in a power system. The exciter design differs from ones that are described in most literature and suggested dynamic models may not give good results. A new model is presented and a new parameters identification technique allowing use the data of several transient processes and increasing precision of model parameters estimation is described in this study. A passive experiment was performed in Lithuanian power plant to obtain high frequency excitation system parameters. According to the sampled data of the field tests recordings, the parameters of the excitation system model were identified. The measured and simulated transient processes are presented and compared.
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