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単相マルチレベルインバータの回路方式と変調方式に着目したデッドタイムの影響の検討

単相マルチレベルインバータの回路方式と変調方式に着目したデッドタイムの影響の検討

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門

発行日: 2022/11/01

タイトル(英語): A Study on Effects of Deadtime in a Single-phase Multilevel Inverter Using Circuit Topology and the Modulation Method

著者名: 千葉 誠(千葉大学),名取 賢二(千葉大学),佐藤 之彦(千葉大学)

著者名(英語): Makoto Chiba (Chiba University), Kenji Natori (Chiba University), Yukihiko Sato (Chiba University)

キーワード: マルチレベルインバータ,デッドタイム,電圧誤差,変調方式,変調比,THD (total harmonics distortion)_x000D_  multilevel inverter,deadtime,voltage error,modulation method,modulation ratio,total harmonics distortion

要約(英語): We quantitatively investigate the reduction of the voltage error caused due to deadtime by introducing multilevel inverters. In particular, the voltage errors of a flying capacitor multilevel inverter with carrier phase shifted modulation, a diode-clamped multilevel inverter with carrier phase disposition modulation, and a 2-level inverter are theoretically investigated via circuit analysis. Based on a theoretical study, the voltage errors of multilevel inverters with different levels, circuit topologies, and modulation methods and the voltage errors of a 2-level inverter, are comparatively verified via simulation and experimental results. Moreover, output current total harmonics distortion (THD) validate based on simulation results. The simulation and experimental results demonstrate that the voltage errors and harmonics are significantly reduced by utilizing the multilevel inverters. We expect that the results presented in this paper will provide useful guidelines for the introduction of multilevel inverters in practical inverter systems.

本誌: 電気学会論文誌D(産業応用部門誌) Vol.142 No.11 (2022)

本誌掲載ページ: 762-774 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejias/142/11/142_762/_article/-char/ja/

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