Elimination of variable harmonics on motor generator circuit for experimental fusion facility

S. Yamada, Y. Nakanishi, H. Kojima, H. Hiue, T. Uede, T. Mito

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A special active filter, which can eliminate the variable harmonic currents in continuity, was investigated. A variable-frequency band-pass filter was developed for the extraction of current component of fundamental frequency. Dynamic simulations for the active filter, motor generator with a flywheel (FW-MG) and power supplies of heating devices for the experimental fusion device of LHD have been carried. We found that the harmonic currents with the amplitudes of 20% have been reduced to less than 2% in the operational frequency range from 95 Hz to 55 Hz by using this active filter.

Original languageEnglish
Pages (from-to)93-97
Number of pages5
JournalFusion Engineering and Design
Volume75-79
Issue numberSUPPL.
DOIs
Publication statusPublished - 2005 Nov 1
Externally publishedYes

Keywords

  • Active filter
  • Harmonic current
  • LHD
  • Motor generator

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

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