Impact of the configuration and condition of the power system on the damping of low-frequency oscillations

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Abstract

The current stage of power system development is characterised by the transformation from local electric power systems to global interconnections. It provides economic benefits, improves the reliability of power system operation and increases the quality level. However, such large interconnected systems have some technical and economical limitations, for instance, long distance transmission, and almost have a weak tie between the electric power systems. One of the main problems of the reliability of such large interconnected systems is low-frequency oscillations, which significantly reduces network capacity and leads to dynamic instability. Therefore, the analysis of the influence of various topologies and regime modes of electric power system to the low-frequency oscillations for the development of control actions and recommendations for their effective damping and reduction is relevant. In this paper, simulation and analysis was done by using of two-area electric power systems and using «EUROSTAG» software. The factors, such as the previous steady-state condition and the structure of the electric power system, affecting the damping properties of electric power system and the impact of the Back-to-Back High-Voltage Direct Current link based on voltage source converters to the damping of low-frequency oscillations were considered.

Original languageEnglish
Pages (from-to)286-290
Number of pages5
JournalAustralian Journal of Electrical and Electronics Engineering
Volume17
Issue number4
DOIs
Publication statusPublished - 2020

Keywords

  • damping
  • low-frequency oscillation
  • Power system
  • simulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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