Practical design approach of a single inductor type active resonant AC link snubber for voltage-fed soft switching inverter and feasible performance evaluations

Masanobu Yoshida, Eiji Hiraki, Mutsuo Nakaoka

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)

Abstract

This paper presents a novel type of active resonant AC link snubber circuit topology with a single quasi-resonant inductor, which is more effective in order to achieve the zero voltage soft switching of single-phase or three-phase voltage source inverter using IGBTs for CVCF/VVVF power applications and utility-interfaced dispersed power supply. In the first place, the design procedure and design example of this resonant snubber is schematically described. In the second place, the comparative feasible studies of the switching power losses analysis, the power conversion efficiency, the conductive and radiative noises for AC load side resonant snubber-assisted soft switching inverter treated here are actually carried out as compared with those data of the generic voltage source hard switching inverter using IGBTs. The effectiveness of this resonant snubber is proved on the basis of the experimental results for voltage source soft switching inverter.

Original languageEnglish
Pages850-855
Number of pages6
Publication statusPublished - Dec 1 2001
Externally publishedYes
Event27th Annual Conference of the IEEE Industrial Electronics Society IECON'2001 - Denver, CO, United States
Duration: Nov 29 2001Dec 2 2001

Other

Other27th Annual Conference of the IEEE Industrial Electronics Society IECON'2001
CountryUnited States
CityDenver, CO
Period11/29/0112/2/01

Keywords

  • Active auxiliary resonant AC link snubber
  • Electromagnetic noises
  • Power loss analysis
  • Resonant snubber design
  • Soft switching pulse modulation
  • Voltage source bridge inverter

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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