Fast time domain periodic steady-state solution of nonlinear electric networks containing DVRs

Edgar O. Hernández-Martínez, Aurelio Medina, Daniel Olguín-Salinas

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

This paper details the structure and a state-space model of the Dynamic Voltage Restorer. Case studies are analyzed to assess the impact of nonlinear electric networks containing this component, with their solution in steady-state periodic being obtained with the application of an efficient time domain methodology which allows a swift computation of the periodic steady-state solution for the entire distribution network by extrapolating the solution to the limit cycle. The methodology is based on a Newton method based on a Numerical Differentiation procedure and extrapolation to the limit cycle. Comparisons are given between these two methods in terms of the number of cycles (periods) required to obtain the periodic steady-state solution.

Original languageEnglish
Pages (from-to)105-110
Number of pages6
JournalIETE Journal of Research
Volume57
Issue number2
DOIs
StatePublished - 2011

Keywords

  • Dynamic voltage restorer
  • Limit cycle
  • Numerical differentiation
  • Steady state
  • Time domain

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