Suppression of common torsional mode interactions using shunt reactor controllers

L. Li Wang, San Jan Mau, Chieh Chen Chuko

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The paper presents the results of a study on the utilisation of shunt reactors for the damping of common torsional mode interactions of a power system containing series-capacitor compensation. The IEEE Second Benchmark Model, system-2, which has two sets of nonidentical turbine-generators connected to an infinite bus via a common series-capacitor compensated transmission line, is employed to investigate the possible unstable Subsynchronous Resonance (SSR) modal interactions can be suppressed by using reactive power compensation. A set of shunt reactors are proposed and connected to the studied system and a unified approach based on modal control theory is employed to design shunt reactor controllers in order that all SSR modes in the system can be stabilised. For clearly demonstrating the effectiveness of the proposed scheme, SSR mode eigenvalues under different loading conditions and sensitivity analysis of shunt reactor controllers’ parameters are performed. Dynamic responses of the nonlinear system simulation under a torque disturbance on generator shaft and a severe three-phase short-circuit fault at infinite bus are also carried out.

Original languageEnglish
Pages (from-to)539-545
Number of pages7
JournalIEEE Transactions on Energy Conversion
Volume8
Issue number3
DOIs
Publication statusPublished - 1993 Sep

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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