Damping subsynchronous resonance using superconducting magnetic energy storage unit

Li Wang, Shin Muh Lee, Ching Lien Huang

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)


A novel damping scheme using superconducting magnetic energy storage (SMES) unit is proposed in this paper to damp subsynchronous resonance (SSR) of the IEEE Second Benchmark Model, system-1 which is a widely employed standard model for computer simulation of SSR. The studied system contains a turbine-generator set connected to an infinite bus through two parallel transmission lines, one of which is series-capacitor compensated. In order to stabilize all SSR modes, simultaneous active and reactive power modulation and a proportional-integral-derivative (PID) damping controller designed by modal control theory are proposed for the SMES unit. Frequency-domain approach based on eigenvalue analysis and time-domain approach based on nonlinear-model simulations are performed to validate the effectiveness of the damping method. It can be concluded from the simulation results that the proposed damping scheme can effectively suppress SSR of the studied system.

Original languageEnglish
Pages (from-to)770-777
Number of pages8
JournalIEEE Transactions on Energy Conversion
Issue number4
Publication statusPublished - 1994 Dec

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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