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Title
Japanese:共振形スイッチトキャパシタコンバータの新制御法とマルチレベルインバータの直流電圧均一化回路への応用 
English:A New Control Method of a Resonant Switched-Capacitor Converter and the Application for Balancing of the Split DC Voltages in a Multilevel Inverter 
Author
Japanese: 佐野憲一朗, 藤田英明.  
English: Kenichiro Sano, Hideaki Fujita.  
Language Japanese 
Journal/Book name
Japanese:電気学会論文誌D 
English:IEEJ Trans. IA 
Volume, Number, Page Vol. 127    No. 3    pp. 330-338
Published date Mar. 2007 
Publisher
Japanese:電気学会 
English:Institute of Electrical Engineering in Japan 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL https://www.jstage.jst.go.jp/article/ieejias/127/3/127_3_330/_article/-char/ja/
 
DOI https://doi.org/10.1541/ieejias.127.330
Abstract This paper proposes a new voltage-balancing circuit for the split dc voltages in a diode-clamped five-level inverter. The proposed circuit is based on a resonant switched-capacitor converter (RSCC), which consists of two half-bridge inverters, a resonant inductor and a resonant capacitor. A new phase-shift control of the RSCC is proposed to improve voltage balancing performance. Theoretical analysis reveals the rating of the RSCC and stored energy in the resonant inductor. Experimental results confirm the reduction of the inductor to one tenth in volume as compared to a conventional voltage-balancing circuit based on buck-boost topology. Moreover, the proposed phase-shift control has demonstrated that it is possible to eliminate the voltage deviation between the dc capacitors.
Award 電気学会 平成19年電気学術振興賞・論文賞

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