A new current control strategy based on the internal model principle for a current balancer in single-phase three-wire distribution systems

Yusuke Baba, Yuji Wakasa, Eiji Hiraki, Toshihiko Tanaka, Masayuki Okamoto, Seong Ryong Lee

Research output: Contribution to journalArticle

Abstract

This paper proposes a new current control strategy that is based on the internal model principle for a current balancer in single-phase three-wire distribution systems. The proposed current control strategy includes a sinusoidal reference input model to achieve the zero steady-state error tracking. The appropriate control gains of this control strategy can be systematically determined by using a state-feedback controller design method via linear matrix inequalities. The basic principle of the proposed control strategy is discussed in detail, and then confirmed by digital computer simulation using the PSIM software. A prototype experimental model is constructed and tested. Experimental results demonstrate that zero steady-state error tracking is achieved by the proposed control strategy. Also, balanced source currents are obtained on the secondary side of a pole-mounted distribution transformer while the load conditions are unbalanced.

Original languageEnglish
JournalIEEJ Transactions on Electrical and Electronic Engineering
Volume8
Issue numberSUPL.1
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Electric current control
Wire
Gain control
Digital computers
Linear matrix inequalities
State feedback
Poles
Controllers
Computer simulation

Keywords

  • Current balancer
  • Internal model principle
  • Linear matrix inequality
  • Single-phase three-wire distribution system

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

A new current control strategy based on the internal model principle for a current balancer in single-phase three-wire distribution systems. / Baba, Yusuke; Wakasa, Yuji; Hiraki, Eiji; Tanaka, Toshihiko; Okamoto, Masayuki; Lee, Seong Ryong.

In: IEEJ Transactions on Electrical and Electronic Engineering, Vol. 8, No. SUPL.1, 2013.

Research output: Contribution to journalArticle

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