A Novel Carrier Scheme Combined with DPWM Technique in a ZVS Grid-Connected Three-Phase Inverter

Yi Hung Liao, Jiong Ye Chen, Ying Zhou

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this paper, a novel switching scheme using discontinuous pulse-width modulation (DPWM) for a zero-voltage switching (ZVS) grid-connected three-phase inverter is proposed. ZVS in the main and auxiliary switches was achieved. Moreover, the reverse recovery currents of the anti-parallel diodes in the main switches were suppressed. A circuit analysis was performed, and a simulation was carried out. Furthermore, a prototype of the ZVS grid-connected three-phase inverter was constructed to verify the effectiveness of the proposed PWM control scheme. Both the simulation and experimental results verified the validity of the proposed PWM control scheme.

Original languageEnglish
Article number656
JournalElectronics (Switzerland)
Volume11
Issue number4
DOIs
StatePublished - 1 Feb 2022

Keywords

  • Discontinuous pulse-width modulation (DPWM)
  • Grid-connected three-phase inverter
  • Reverse recovery current suppression
  • Zero-voltage switching (ZVS)

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