Transient Prediction and Small-Signal Stability Analysis using PMU-based Power System Identification

Pavel V. Chusovitin

Keywords

WAMS, WACS, dynamic system identification, MOESP, modal analysis

Abstract

The paper describes investigation of the new opportunities for power system monitoring and control using WAMS and WACS systems. PMU data is used for power system model identification in the form of state-space model. Implementing the modal analysis to identified state-space model gives the opportunity to control proximity of the operation point to the feasibility boundary. Also, identified state-space model allows predicting power system transient. All time domain simulations of the research are conducted for two-generator-swing-bus system. Calculations were carried out in Matlab.

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