Study on Stability of Independent Control for Parallelism of Multiple UPSs in the Low Line Impedance Region

カテゴリ: 全国大会

論文No: 4-027

グループ名: 【全国大会】平成18年電気学会全国大会論文集

発行日: 2006/03/15

タイトル(英語): Study on Stability of Independent Control for Parallelism of Multiple UPSs in the Low Line Impedance Region

著者名: サトウエドワルド (横浜国立大学),河村 篤男(横浜国立大学)

著者名(英語): Eduardo Kazuhide Sato (Yokohama National University),Atsuo Kawamura(Yokohama National University)

キーワード: 独立制御|自律分散制御|無停電電源|ゲインチューニング|配線インピーダンス

要約(日本語): Previous results using the independent control for parallelism of multiple uninterruptible power supplies (UPS) have demonstrated stability and good load sharing including nonlinear loads. Nevertheless, despite of the industry requirements, these results have employed a significant high line impedance. This paper shows a study on the stability of the parallel-connected UPS system using the proposed independent control in the low line impedance region. Although an instability is noticed in this condition, stable operation can be achieved by means of a gain tuning technique and it potentially enables the independent control to be employed in commercial power supplies according to industrial standards.

原稿種別: 日本語

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