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A UFLS scheme for small isolated power systems using rate-of-change of frequency

L. Sigrist

This letter presents a centralized underfrequency load-shedding (UFLS) scheme using the initial rate-of-change of frequency (ROCOF) to decide whether and how much load needs to be shed. The applicability of the centralized UFLS scheme is shown for a Spanish small isolated power system.


Keywords: Frequency stability, load shedding, power system protection.


IEEE Transactions on Power Systems. Volume: 30 Issue: 4 Pages: 2192-2193

Journal Impact Factor: JCR impact factor 5.255 (2017)

DOI reference: DOI icon 10.1109/TPWRS.2014.2357218    

Published on paper: July 2015. Published on-line: September 2014.


    Topics research:
  • *Stability: large disturbance stability, tuning of frequency loadshedding schemes, excitation control, small disturbance stability, tuning of power system stabilizers, identification of AVR and governor models

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