Abstract
In this work we consider the issues concerning tuning of the channels of stabilization for the automatic excitation controller at a real object using the frequency response. We present a test procedure for the generator operating in the power system. Also, we give some recommendations for selecting the white-noise parameters, by which the frequency response is obtained. The results are considered on the example of four-machine scheme of the power system (the Kundur scheme).
Highlights
During the process of the excitation systems' commissioning there arises a problem for selection of the proper tuning for channels of the system stabilizer of the automatic excitation controller (AEC) and examination of the efficiency of the selected gain coefficients and time constants
In order to observe the efficiency for the introduction of the system stabilizer channels one should perform a strong excitation of the power system at various coefficients of the stabilizer channel strengthening
In this work we propose a procedure for tuning of the stabilizer channels based on the analysis of the frequency characteristics, which were obtained at the AEC unit while imposing the white noise
Summary
During the process of the excitation systems' commissioning there arises a problem for selection of the proper tuning for channels of the system stabilizer of the automatic excitation controller (AEC) and examination of the efficiency of the selected gain coefficients and time constants. In order to observe the efficiency for the introduction of the system stabilizer channels one should perform a strong excitation of the power system at various coefficients of the stabilizer channel strengthening. After this one should compare the results and select the optimum settings. There exist the method for calculation the stability areas and the equal decaying areas using the D-splitting technique or the root analysis [7] These methods require a detailed simulation of the objects of the power sys-tem, as well as knowledge of its scheme and detailed characteristics of the power equipment. In this work we propose a procedure for tuning of the stabilizer channels based on the analysis of the frequency characteristics, which were obtained at the AEC unit while imposing the white noise
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