Comparative study on the static and dynamic characteristics of four types of PMFCLs for large capacity applications

Hongshun Liu, Qingmin Li, Liang Zou, Li Zhang, Wah Siew Siew

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Permanent-Magnet-Biased Saturation Based Fault Current Limiter (PMFCL) may find early applications in high-voltage and large capacity power systems due to prominent advantages such as compactness, small size, reliable and safe operation, and zero reset time. The prevailing topologies and the operating principles of the PMFCLs are elucidated in the paper. Theoretical analysis on both the static and dynamic characteristics of different modes of PMFCLs is carried out comparatively, in which new concepts of effective magnetic flux density and magnetic field intensity are proposed to describe the overall impacts of the magnetic field on the current limiting capacity of the PMFCLs. Based on theoretical analysis and mathematical deduction, equivalent magnetic circuits and equations are established, which presents invaluable fundamentals for further study on the operating mechanism of different modes of PMFCLs as well as optimization of the fault current limiting topology design.
Original languageEnglish
Pages (from-to)47-56
Number of pages10
JournalElectrical Power and Energy Systems
Volume34
Issue number1
DOIs
Publication statusPublished - Jan 2012

Keywords

  • finite element method
  • magnetic field analysis
  • fault current limiter
  • equivalent magnetic circuit
  • high-voltage and large capacity

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