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      저자 : Liting Bao (검색결과 2 건)
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        Analysis and Modeling of AC-AC Switched Capacitor Converters

        Cai, Hui,Bao, Liting,Guo, Qian,Wang, Ying,Chen, Weimin The Korean Institute of Power Electronics 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.1

        A new modeling method for AC-AC switched capacitor converters (SCCs) is introduced in this study. The proposed analytical method aims to accurately describe the input-output characteristics of AC-AC SCCs and establish a mathematical model for static voltage conversion ratio and equivalent resistance, which are key performance metrics for SCCs. A quantitative analysis of converter regulation capability is addressed on the basis of the modeling method. In this analysis, the effects of the control parameters and individual components on SCCs are illustrated extensively. Component stresses, such as the peak value and transient variation of the voltage/current of the converter, are also presented. The effectiveness of the proposed method is verified by comparing it with the existing modeling method and applying it to an AC-AC SCC with a conversion ratio of three. Two 1 kW prototypes are built in a laboratory, and their experimental results exhibit good agreement with the theoretical analysis.

      • KCI등재

        Analysis and Modeling of AC–AC Switched Capacitor Converters

        Hui Cai,Liting Bao,Qian Guo,Ying Wang,Weimin Chen 전력전자학회 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.1

        A new modeling method for AC–AC switched capacitor converters (SCCs) is introduced in this study. The proposed analyticalmethod aims to accurately describe the input–output characteristics of AC–AC SCCs and establish a mathematical model forstatic voltage conversion ratio and equivalent resistance, which are key performance metrics for SCCs. A quantitative analysis ofconverter regulation capability is addressed on the basis of the modeling method. In this analysis, the effects of the controlparameters and individual components on SCCs are illustrated extensively. Component stresses, such as the peak value andtransient variation of the voltage/current of the converter, are also presented. The effectiveness of the proposed method is verifiedby comparing it with the existing modeling method and applying it to an AC–AC SCC with a conversion ratio of three. Two 1kW prototypes are built in a laboratory, and their experimental results exhibit good agreement with the theoretical analysis.

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