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  • High-efficiency full-range soft-switching full-bridge high-frequency-link inverter

    Author(s)
    Guo, Shilin
    Su, Jianhui
    Chen, Xuejian
    Yu, Xiang
    Griffith University Author(s)
    Chen, Xuejian
    Year published
    2016
    Metadata
    Show full item record
    Abstract
    A novel full-range soft-switching full-bridge (FSFB) cycloconverter-type high-frequency-link inverter (CHFLI) with active snubber network is proposed. By adding an auxiliary inductor in primary-side DC/AC converter and adopting centre-tapped transformer structure, the proposed FSFB-CHFLI achieves zero voltage switching (ZVS) for all switches under different operating conditions from light load to rated load, which benefits with high efficiency and high switching frequency. The secondary-side active snubber network is utilised to recycle leakage inductor energy and suppress voltage spikes caused by the resonance of the leakage ...
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    A novel full-range soft-switching full-bridge (FSFB) cycloconverter-type high-frequency-link inverter (CHFLI) with active snubber network is proposed. By adding an auxiliary inductor in primary-side DC/AC converter and adopting centre-tapped transformer structure, the proposed FSFB-CHFLI achieves zero voltage switching (ZVS) for all switches under different operating conditions from light load to rated load, which benefits with high efficiency and high switching frequency. The secondary-side active snubber network is utilised to recycle leakage inductor energy and suppress voltage spikes caused by the resonance of the leakage inductor and the parasitic capacitance of switch. The commutation overlap strategy is adopted to guarantee complete ZVS turn-on and ZVS turn-off of bidirectional switches. Experimental results of a high efficient and high switching frequency (200 kHZ) prototype are presented to verify the analysis results of the proposed FSFB-CHFLI.
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    Journal Title
    Electronics Letters
    Volume
    52
    Issue
    23
    DOI
    https://doi.org/10.1049/el.2016.2779
    Subject
    Artificial intelligence
    Electrical engineering
    Circuits and systems
    Communications engineering
    Publication URI
    http://hdl.handle.net/10072/337317
    Collection
    • Journal articles

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