Capacitor current programming technique for phase-shift DC-DC converter

Victor Sui-Pung Cheung, Henry Shu-Hung Chung*

*Corresponding author for this work

    Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

    3 Citations (Scopus)

    Abstract

    This paper presents a nonlinear output capacitor current programming technique applicable for full bridge phase-shift dc-dc converters with zero-voltage-switching. The control method can make the converter system exhibit fast transient response to large-signal disturbances. The concept is based on sensing the output voltage and capacitor current, and then estimating the output voltage to dictate the gate signals for the switch pairs in the full bridge. The principle of operation will be described. Detailed steady-state and dynamic characteristics of the converter will be given. The proposed method has been verified by comparing the experimental results of a 500W, 400V/48V prototype with theoretical predictions. © 2011 IEEE.
    Original languageEnglish
    Title of host publicationIEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings
    Pages1251-1258
    DOIs
    Publication statusPublished - 2011
    Event3rd Annual IEEE Energy Conversion Congress and Exposition, ECCE 2011 - Phoenix, AZ, United States
    Duration: 17 Sept 201122 Sept 2011

    Conference

    Conference3rd Annual IEEE Energy Conversion Congress and Exposition, ECCE 2011
    Country/TerritoryUnited States
    CityPhoenix, AZ
    Period17/09/1122/09/11

    Research Keywords

    • control techniques
    • DC-DC power conversion
    • phase-shift converters

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