Phase-shift controlled DC-DC convertor with bi-directional power flow

H. L. Chan, Ka Wai Eric Cheng, D. Sutanto

Research output: Journal article publicationJournal articleAcademic researchpeer-review

43 Citations (Scopus)


A new zero-voltage switching (ZVS) phase-shift controlled bi-directional DC-DC convertor is proposed. It possesses the conventional features of phase-shifted convertors: constant switching frequency, ZVS and voltage regulation by phase-shift control. However, the convertor has been improved by developing a bi-directional power flow capability and applying synchronous rectification; hence, the on-state voltage drop of the active devices is small. It is therefore recommended for use in electric vehicles. The principle of circuit operation of the proposed convertor is described in detail with mathematical analysis, and experimental results are presented to verify the concept.
Original languageEnglish
Pages (from-to)193-201
Number of pages9
JournalIEE Proceedings: Electric Power Applications
Issue number2
Publication statusPublished - 1 Mar 2001

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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