An impedance network boost converter with a high-voltage gain

Guidong Zhang, Herbert Ho Ching Iu, Bo Zhang, Zhong Li, Tyrone Fernando, Si Zhe Chen, Yun Zhang

    Research output: Contribution to journalArticlepeer-review

    61 Citations (Scopus)


    An impedance network DC-DC boost converter is developed in this letter. Compared to the conventional boost converter, it can reach a higher voltage gain with fewer diodes and a small duty cycle (smaller than 33%) and, meanwhile, avoid instability caused by saturation of its inductors, whereas the conventional boost converters realize high-voltage gains at rather large duty cycles (normally exceeding 50%) resulting in saturation of inductors. Furthermore, it can well fulfill the stringent industrial requirements, particularly of renewable power systems. The proposed converter with continuous conduction modes is analyzed for different states of its components. Then, it is shown how to determine its various parameters. Finally, simulations and a 250-W prototype are conducted to verify the converter's effectiveness. © 2017 IEEE

    Original languageEnglish
    Pages (from-to)6661-6665
    Number of pages5
    JournalIEEE Transactions on Power Electronics
    Issue number9
    Early online date23 Feb 2017
    Publication statusPublished - 1 Sept 2017


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