Review of High-Frequency High-Voltage Conversion-Ratio dc-dc Converters.

Yueshi Guan, Carlo Cecati, J. Marcos Alonso , Zhe Zhang

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    The development of high-frequency power converters is continuously improving their power density, efficiency and fast dynamic response. Among them, highvoltage-conversion-ratio dc-dc converters are widely used in high gain, i.e. step-up/-down or bidirectional applications, such as power supply for data center, dc micro-grids, electrical vehicle charging systems and so on. In this article, the current main high-frequency high-voltage-conversionratio dc-dc converters are classified into inductive-based and capacitive-based approaches, which can then be described further by four kinds in detail, namely transformer-based, coupled-inductor-based, and switchedcapacitor-based, as well as combination of coupled inductor and switched capacitor. A comprehensive analysis and comparison is given, which can provide guidance for proper topology selection and further topology optimization.
    Original languageEnglish
    JournalIEEE Journal of Emerging and Selected Topics in Industrial Electronics
    Issue number4
    Pages (from-to)374 - 389
    Publication statusPublished - 2021


    • High-frequency dc-dc converters
    • High voltage-conversion-ratio dc-dc converters
    • Inductive
    • Capacitive


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