A novel half-bridge asymmetrical ZCS-PWM DC-DC converter with high frequency-link

Tomokazu Mishima, Eiji Hiraki, Toshihiko Tanaka, Mutsuo Nakaoka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A novel zero current soft-switching (ZCS)-PWM cell-assisted half-bridge DC-DC converter topology with a high frequency link is proposed in this paper. The newly-proposed DC-DC converter consists of a PWM-controlled singleended half-bridge high frequency (HF) inverter and a current doubler rectifier linked with a HF transformer. In order to attain the wide range of ZCS-PWM operation in the primary-side HF inverter, an active edge resonant snubber cell composed by a switched capacitor and a lossless inductor is adopted in the half-bridge leg, providing ZCS commutation for a wide range of output power. The operation characteristics of the DC-DC converter proposed here are described, and its feasibility data is demonstrated and evaluated with simulation and experimental results.

Original languageEnglish
JournalIEEJ Transactions on Industry Applications
Volume128
Issue number4
DOIs
Publication statusPublished - 2008
Externally publishedYes

Fingerprint

DC-DC converters
Pulse width modulation
High frequency transformers
Electric commutation
Capacitors
Topology

Keywords

  • Active edge resonant snubber
  • Asymmetrical duty cycle
  • Constant switching frequency
  • Current doubler rectifier
  • Half-bridge DC-DC converter
  • HF inverter
  • Series transformer resonance
  • ZCS-PWM

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering

Cite this

A novel half-bridge asymmetrical ZCS-PWM DC-DC converter with high frequency-link. / Mishima, Tomokazu; Hiraki, Eiji; Tanaka, Toshihiko; Nakaoka, Mutsuo.

In: IEEJ Transactions on Industry Applications, Vol. 128, No. 4, 2008.

Research output: Contribution to journalArticle

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