Improved recursive Newton-type algorithm for power system relaying and measurement

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19 Citations (Scopus)


A new recursive Newton-type algorithm suitable for measurement applications in power systems is presented. In an improved form it is used for power system frequency, phasors and spectra estimation. The key algorithm improvement is provided through a new forgetting factor tuning procedure, by which the speed of convergence and accuracy are improved. The results of computer simulation, laboratory testing and offline full-scale real-life data processing are given to show the main algorithm properties.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalIEE Proceedings: Generation, Transmission and Distribution
Issue number1
Publication statusPublished - 1998
Externally publishedYes


  • Computer relaying
  • Forgetting factor
  • Harmonic and frequency measurement
  • Recursive parameter estimation


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