Analysis of a Switched-Capacitor Converter with Output Voltage Regulation and Soft Switching Capabilities

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BEIRANVAND REZA

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Journal Paper

Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2020 | Volume:50 | Issue:2 (92) Page(s): 587-604

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Information Journal Paper

Title

Analysis of a Switched-Capacitor Converter with Output Voltage Regulation and Soft Switching Capabilities

Author(s)

BEIRANVAND REZA | Issue Writer Certificate

Keywords

Active clampQ1

soft switchingQ1

switched-capacitor converter (SCC)Q1

voltage regulationQ1

Abstract

High power density of switched-capacitor converters (SCCs) is due to absent of inductive components. But, this subject leads to output voltage regulation problem and hard switching characteristics due to high current spikes, which increase switching losses and noise and limit the power rating. Although, performances of some SCCs have been improved recently by including some small inductors in their topologies, but, only few of them can regulate output voltage and have soft switching characteristics. Here, by combining an Active clamp and a boost SCC, both output voltage regulation and soft switching characteristics are achieved, even when wide input voltage and load variations are applied. So, switching frequency can be increased to reduce inductors and capacitors values, due to low switching losses and noise. It reduces the converter volume and also improves its performance, because small inductors and capacitors have better high-frequency characteristics, practically. Therefore, the modified converter is practically much better than the conventional configuration, especially at high power ratings. Here, the modified converter has been analyzed, mathematically, and to verify the given analyses, it has been simulated and implemented at 200kHz for regulating a 400V output voltage, even when wide input voltage (50-100V) and load (400Ω-8kΩ ) variations are applied.

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APA: Copy

BEIRANVAND, REZA. (2020). Analysis of a Switched-Capacitor Converter with Output Voltage Regulation and Soft Switching Capabilities. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 50(2 (92) ), 587-604. SID. https://sid.ir/paper/386041/en

Vancouver: Copy

BEIRANVAND REZA. Analysis of a Switched-Capacitor Converter with Output Voltage Regulation and Soft Switching Capabilities. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2020;50(2 (92) ):587-604. Available from: https://sid.ir/paper/386041/en

IEEE: Copy

REZA BEIRANVAND, “Analysis of a Switched-Capacitor Converter with Output Voltage Regulation and Soft Switching Capabilities,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 50, no. 2 (92) , pp. 587–604, 2020, [Online]. Available: https://sid.ir/paper/386041/en

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