Abstract

This paper introduces the analysis process of small signal dominant mode, and the operation of Jilin power grid in winter heavy load operating mode is simulated in the platform of Power System Analysis Software Package (PSASP). Calculate the small signal stability in this operation mode, analyze the system oscillation modes and the modal maps of each correlating mode. Judge the corresponding generator sets to give directive advice about the installation and configuration of power system stabilizer (PSS) in the next step. The simulation result shows that only part of the generators sets in Heilongjiang will appear low frequency oscillation.

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