Analysis of abnormal phenomena caused by synchronous rectifiers in a paralleled converter system

Teruhiko Kohama, Tamotsu Ninomiya, Richard Tymerski, Masahito Shoyama

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Problems of synchronous rectification in a parallel-module dc-dc converter system are described. These include excessive power dissipation due to the bidirectional current flow capability of MOSFET's and abnormal oscillation due to the cross coupling of the MOSFET's used as synchronous rectifiers. The abnormal oscillation, which causes excessive voltage stress, is analyzed; the results of which are subsequently confirmed by experiment. Methods for solving abnormal oscillation problem are discussed.

Original languageEnglish
Pages (from-to)670-680
Number of pages11
JournalIEEE Transactions on Power Electronics
Volume15
Issue number4
DOIs
Publication statusPublished - Jul 2000

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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