A new current balancer in single-phase three-wire secondary distribution feeders using the correlation coefficients

Toshihiko Tanaka, Hirokazu Fukui, Eiji Hiraki, Shuuji Watanabe, Shinji Fukuma

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper proposes a new current balancer in single-phase three-wire secondary distribution systems using the correlation coefficients. The components of the load currents correlative to the primary side voltage waveform, which correspond to the active currents, are detected in each feeder, then the non-active and unbalanced-active components are compensated on the source side. The balanced currents with unity power factor are obtained in each feeder. The basic principle of the proposed method is discussed in detail, and then confirmed by digital computer simulation. A proto-type experimental system is constructed and tested. Experimental results demonstrate that the balanced source currents with unity power factor are obtained in spite of unbalanced load currents.

Original languageEnglish
Pages (from-to)675-681+17
Journalieej transactions on industry applications
Volume127
Issue number6
DOIs
Publication statusPublished - 2007
Externally publishedYes

Keywords

  • Active current
  • Balanced condition
  • Correlation coefficient
  • Current balancer
  • Single-phase three-wire secondary distribution system
  • Unbalanced condition

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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