A novel alternative to traditional nHSLC: an n-switched-cell based approach to high-step-up converters

Chen, Si-Zhe, Wang, Zhiyang, Yu, Samson Shenglong, Zhang, Guidong and Zhang, Yun 2019, A novel alternative to traditional nHSLC: an n-switched-cell based approach to high-step-up converters, IEEE access, vol. 7, pp. 114529-114538, doi: 10.1109/access.2019.2935753.

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Title A novel alternative to traditional nHSLC: an n-switched-cell based approach to high-step-up converters
Author(s) Chen, Si-Zhe
Wang, Zhiyang
Yu, Samson ShenglongORCID iD for Yu, Samson Shenglong orcid.org/0000-0002-2983-7344
Zhang, Guidong
Zhang, Yun
Journal name IEEE access
Volume number 7
Start page 114529
End page 114538
Total pages 10
Publisher Institute of Electrical and Electronics Engineers
Place of publication Piscataway, N.J.
Publication date 2019
ISSN 2169-3536
Keyword(s) Solar energy systems
high step-up converters
low diode currents
Summary It is well known that high step-up converters are eagerly required in solar energy systems to boost up low voltage for connecting grid voltage. Therein, traditional multi-cell hybrid switched-inductor-capacitor ( Tn HSLC) cell based high-step-up converters (HSCs) are one of the popular techniques. Despite its popularity, this type of converters still bears their intrinsic disadvantages, lower voltage gain, high diode current and low efficiency. In this study, we propose a novel n -Switched-Cell ( n SC)-based HSC, which utilizes same components as the existing Tn HSLC but with a different topological structure. Specifically, a 4SC HSC prototype is built in this study, and extensive simulations and experiments are conducted to validate the theoretical analyses. It is demonstrated that the proposed novel n SC topology requires same amount of electronic components as Tn HSLC, but yields a higher voltage gain, lower diode current, and a higher efficiency. The proposed n SC approach therefore will have wide applicability and economic benefits in the industry.
Language eng
DOI 10.1109/access.2019.2935753
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2019, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30129163

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