Consideration for input current-ripple reduction on a novel pulse-link DC-AC converter for fuel cells

Kentaro Fukushima, Tamotsu Ninomiya, Masahito Shoyama, Isami Norigoe, Yosuke Harada, Kenta Tsukakoshi

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 被引用数 (Scopus)

抄録

Authors have proposed a novel DC-AC converter topology for fuel cells, which includes a novel method for the reduction of input current-ripple. In general, the current-ripple in fuel cells give s damage to the fuel cell consumption and life span because the chemical reaction time is much slower than the commercial power source frequency. Therefore, the input current-ripple should be reduced in the DC-AC converter for fuel cells. In the conventional DC-AC converter, a large capacitor is inserted between the boost converter stage and the PWM inverter stage for the current-ripple reduction. This capacitor disturbs the size reduction of the converter unit. In the proposed topology, the first-stage boost converter provides a series of boosted voltage pulses directly to the second-stage PWM inverter. Therefore, a large capacitor for the smoothed DC power source is not needed. Instead, a series-connected LC circuit is inserted for the current-ripple reduction. This paper focuses the mechanism of current-ripple reduction. Moreover, an active method for the current-ripple reduction is proposed, which reduces the input current-ripple less than 1Amp.

本文言語英語
ホスト出版物のタイトルPESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Proceedings
ページ1284-1289
ページ数6
DOI
出版ステータス出版済み - 2008
イベントPESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Rhodes, ギリシャ
継続期間: 6 15 20086 19 2008

その他

その他PESC '08 - 39th IEEE Annual Power Electronics Specialists Conference
国/地域ギリシャ
CityRhodes
Period6/15/086/19/08

All Science Journal Classification (ASJC) codes

  • モデリングとシミュレーション
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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