A New Buck-Boost AC/DC Converter with Two-Terminal Output Voltage for DC Nano-Grid

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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Author(s)

  • Xiangkun Li
  • Weimin Wu
  • Houqing Wang
  • Ning Gao
  • Frede Blaabjerg

Related Research Unit(s)

Detail(s)

Original languageEnglish
Article number3808
Journal / PublicationEnergies
Volume12
Issue number20
Online published9 Oct 2019
Publication statusPublished - Oct 2019

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DOI

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Publisher's Copyright Statement
  • This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/
Link to Scopus https://www.scopus.com/record/display.uri?eid=2-s2.0-85075098244&origin=recordpage
Permanent Link https://scholars.cityu.edu.hk/en/publications/publication(b55956de-a05a-4b97-a382-53d56538ae95).html

Abstract

Due to the development and deployment of renewable DC power sources and their inherent advantages for DC loads in applications, the DC nano-grid has attracted more and more research attentions; especially the topologies of AC/DC converters are increasingly studied. When designing an AC to DC converter for a DC nano-grid system, the grounding configuration, which determines the costs, the efficiency as well as the safety, plays an important role. A three-terminal output AC to DC converter based on united grounding configuration has been presented for DC nano-grid. However, it has to be pointed out that the three-terminal output DC nano-grid is not as popular as the two-terminal DC output one, due to the infrastructure consideration. This paper proposes a new Buck-Boost AC to DC converter with two-terminal output voltage for DC nano-grid. The operating principle, the steady-state analysis, and the small signal modelling for the proposed converter working in continuous conduction mode are presented in detail. A 220 V/50 Hz/800 W prototype was fabricated to verify the effectiveness of the proposed converter.

Research Area(s)

  • Buck-boost, Converter, Dc nano-grid, Single inductor

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Publication fingerprints text

100
Output Voltage Engineering
100
Output Terminal Engineering
50
Grid System Engineering
50
Steady State Analys... Engineering
50
Signal Modeling Engineering
50
Operating Principle Engineering
50
Renewables Engineering
50
Power Source Engineering
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Citation Format(s)

[ RIS ] [ BibTeX ]
A New Buck-Boost AC/DC Converter with Two-Terminal Output Voltage for DC Nano-Grid. / Li, Xiangkun; Wu, Weimin; Wang, Houqing et al.
In: Energies, Vol. 12, No. 20, 3808, 10.2019.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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