New power quality index in a distribution power system by using RMP model

Soon Lee, Jung Wook Park, Ganesh Kumar Venayagamoorthy

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In this paper, a new power quality index (PQI), which is directly related to the generation of distortion power from nonlinear harmonic loads, is introduced to determine their harmonic pollution ranking in a distribution power system. The electric load composition rate (LCR) and the total harmonic distortion (THD) for the estimated currents on each harmonic load are used to define the proposed PQI. The reduced multivariate polynomial (RMP) model with one-shot training property is applied to realize the PQI. Then, the ranking of distortion power for each nonlinear load, which has adverse effect on the entire system, is determined. It is proven that the relative ranking based on the PQI matches that based on the distortion power directly computed from each harmonic load.

Original languageEnglish
Article number5437176
Pages (from-to)1204-1211
Number of pages8
JournalIEEE Transactions on Industry Applications
Volume46
Issue number3
DOIs
Publication statusPublished - 2010 May

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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