A novel simple control method of an active power quality compensator used in electrified railways with constant dc voltage control

T. Tanaka, N. Ishikura, E. Hiraki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

This paper proposes a novel and simple control method for an active power quality compensator (APQC) used in electrified railways. The proposed method consists of only constant dc capacitor voltage control, which is generally used in APQCs. No detection method for harmonic, reactive and negative-sequence components is necessary. Thus we offer the simplest way to compensate the harmonic, reactive and negativesequence currents on the primary side of the Scott transformer in the traction substation. The basic principle of the proposed control method is discussed in detail, and then confirmed by digital computer simulation using PSIM software. A prototype experimental model is constructed and tested. Experimental results demonstrate that balanced source currents with unity power factor are obtained on the primary side with the proposed control method, which uses only constant dc capacitor voltage control.

Original languageEnglish
Title of host publicationProceedings - 34th Annual Conference of the IEEE Industrial Electronics Society, IECON 2008
PublisherIEEE Computer Society
Pages502-507
Number of pages6
ISBN (Print)9781424417667
DOIs
Publication statusPublished - Jan 1 2008
Externally publishedYes
Event34th Annual Conference of the IEEE Industrial Electronics Society, IECON 2008 - Orlando, FL, United States
Duration: Nov 10 2008Nov 13 2008

Publication series

NameIECON Proceedings (Industrial Electronics Conference)

Other

Other34th Annual Conference of the IEEE Industrial Electronics Society, IECON 2008
CountryUnited States
CityOrlando, FL
Period11/10/0811/13/08

Keywords

  • Active power quality compensator
  • Constant dc capacitor voltage control
  • Electrified railway
  • Scott transformer
  • Three-leg inverter

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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