Multi-input voltage-summation converter based on switched-capacitor

Yuan Mao Ye, Ka Wai Eric Cheng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

78 Citations (Scopus)

Abstract

This study is to propose a multi-input converter which is designed based on switched-capacitor instead of magnetic components. The number of its inputs can be any figure. The output voltage level of the converter is the summation of its multiple input levels which share with a common neutral. There is no need to have any level-shift or boost-strap for adjusting the inputs. The number of active switches and capacitors required both are equal to the number of input sources. Only a pair of complementary pulse signals is needed to control all of these switches. The converter is operated under high frequency. Non-resonant version does not require resonant inductors and therefore they are of small size and simple structure. Small resonant inductor is also added in the resonant version to realise soft-switching and improve the conversion efficiency. The circuit analysis, design method and experimental verification are shown.
Original languageEnglish
Pages (from-to)1909-1916
Number of pages8
JournalIET Power Electronics
Volume6
Issue number9
DOIs
Publication statusPublished - 1 Dec 2013

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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